General Description
The MAX6701–MAX6708 microprocessor (µP) supervisory
circuits reduce the complexity and components required
to monitor power-supply functions in µP systems. These
devices significantly improve system reliability and accu-
racy compared to separate ICs or discrete components.
The MAX6701–MAX6708 family provides four functions:
a reset output during power-up, power-down, and
brownout conditions; an independent watchdog output
that goes low if the watchdog input has not been toggled
within 1.6s; a 0.62V threshold detector for power-fail
warning; and an active-low manual reset input.
The MAX6701–MAX6708 family offers several pinout
options to accommodate a variety of multivoltage micro-
processor supervision applications.
The MAX6701(A)/MAX6702(A)/MAX6703(A) monitor
three supply voltages (one fixed threshold and two
adjustable) to drive a single reset output and include a
manual reset input and a watchdog timer with an inde-
pendent output. The MAX6704 monitors a single-supply
voltage to drive complementary reset outputs and
includes an independent adjustable power-fail-in/power-
fail-out comparator, a manual reset input, and a reset-
based watchdog timer. The MAX6705(A)/MAX6706(A)/
MAX6707(A) monitor a single-supply voltage to drive a
single reset output and include an independent
adjustable power-fail-in/power-fail-out comparator, a
manual reset input, and a watchdog timer with an inde-
pendent output. The MAX6708 is the same as the
MAX6704 but without the watchdog timer function.
See the Detailed Description for differences between
non-A and A versions.
Applications
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical µP Power Monitoring
White Goods
Networking
Telecommunications
Features
♦Small 8-Pin SOT23 Package
♦Precision Monitoring of +5.0V, +3.3V, +3.0V, +2.5V
Supply Voltages
♦140ms Reset Timeout Delay
♦Power-Fail Input with Independent Output;
Monitor Inputs Down to 0.62V (MAX6704–MAX6708)
♦Dual Adjustable Reset Input for Triple-Voltage
Monitoring (MAX6701(A)/MAX6702(A)/MAX6703(A))
♦1.6s Watchdog Timeout Period
(MAX6701(A)–MAX6707(A))
♦Independent Watchdog Output
(MAX6701(A)/MAX6702(A)/MAX6703(A)/
MAX6705(A)/MAX6706(A)/MAX6707(A))
♦Manual Reset Input
♦Four Reset Output Stage Options
Active Low Push-Pull (MAX6701(A), MAX6705(A))
Active Low Open Drain (MAX6703(A), MAX6707(A))
Active High Push-Pull (MAX6702(A), MAX6706(A))
Dual Active Low/High Push-Pull (MAX6704,
MAX6708)
♦Guaranteed Reset Valid to VCC = 1V
♦Immune to Short Falling VCC Transients
♦Low Cost, Few External Components
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
________________________________________________________________ Maxim Integrated Products 1
WDI
RST_IN2RST_IN1
( ) ARE FOR MAX6702(A) ONLY.
1
2
8
7
WDO
RESET (RESET)VCC
GND
MR
SOT23
TOP VIEW
3
4
6
5
MAX6701(A)
MAX6702(A)
MAX6703(A)
Pin Configurations
Ordering Information
19-1952; Rev 3; 12/05
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART TEMP RANGE
PIN-PACKAGE
MAX6701_KA-T
-40°C to +125°C
8 SOT23-8
MAX6701A_KA-T
-40°C to +125°C
8 SOT23-8
Insert the desired suffix letter (from the Threshold Suffix Guide
table) into the blank to complete the part number. All devices
must be ordered in increments of 2500 pieces. Sample stock is
typically held on standard versions only. Contact factory for
availability.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
Ordering Information continued at end of data sheet.
Typical Operating Circuit and Selector Guide appear at end
of data sheet.
Pin Configurations continued at end of data sheet.
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VCC = +4.25V to +5.5V for L/M versions, VCC = +2.55V to +3.6V for the T/S/R versions, VCC = +2.1V to +2.75V for the Z/Y versions.
TA= -40°C to +125°C, unless otherwise specified. Typical values are at TA= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VCC ........................................................................-0.3V to +6.0V
Open-Drain RESET, WDO, PFO ...........................-0.3V to +6.0V
Push-Pull RESET, RESET, WDO, PFO ........-0.3V to (VCC + 0.3V)
MR, WDI, PFI, RST_IN1, RST_IN2 ..............-0.3V to (VCC + 0.3V)
Input Current (VCC).............................................................20mA
Output Current (RESET, RESET, PFO, WDO) .....................20mA
Continuous Power Dissipation (TA= +70°C)
8-Pin SOT23 (derate 8.9mW/°C above +70°C)............714mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
TA = 0°C to +125°C 1.0 5.5
Operating Voltage Range VCC TA = -40°C to +125°C 1.2 5.5 V
VCC < 5.5V, no load 12 25
VCC < 3.6V, no load 9 20
Supply Current
MR Unconnected ICC
VCC < 3.6V, no load (MAX6708 only) 6 20
µA
TA = -40°C to +85°C
4.50 4.63 4.75
MAX670_L/MAX670_AL
TA = -40°C to +125°C 4.47 4.78
TA = -40°C to +85°C
4.25 4.38 4.50
M AX 670_M /M AX 670_AM TA = -40°C to +125°C 4.22 4.53
TA = -40°C to +85°C
3.00 3.08 3.15
MAX670_T/MAX670_AT
TA = -40°C to +125°C 2.97 3.17
TA = -40°C to +85°C
2.85 2.93 3.00
MAX670_S/MAX670_AS TA = -40°C to +125°C 2.83 3.02
TA = -40°C to +85°C
2.55 2.63 2.70
MAX670_R/MAX670_AR TA = -40°C to +125°C 2.53 2.72
TA = -40°C to +85°C
2.25 2.32 2.38
MAX670_Z/MAX670_AZ TA = -40°C to +125°C 2.24 2.40
TA = -40°C to +85°C
2.12 2.19 2.25
VCC Reset Threshold
(VCC falling) VTH
MAX670_Y/MAX670_AY TA = -40°C to +125°C 2.11 2.27
V
Reset Threshold
Temperature Coefficient
∆VTH
60
ppm/°C
VCC to Reset Output Delay
VCC falling at 10mV/µs 12 µs
TA = -40°C to +85°C
140
200 280
Reset Timeout Period tRP
TA = -40°C to +125°C 120
300 ms
VCC Falling to WDO Delay M AX 6701( A) /M AX 6702( A) /M AX 6703( A) /M AX 6705( A) /
M AX 6706( A) /M AX 6707( A) 5µs
TA = -40°C to +85°C
602
618 634
PFI, RST_IN1, RST_IN2
Threshold V
C C
= 1.8V to 5.5V
TA = -40°C to +125°C 593
642 mV
PFI Hysteresis 6mV
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
_______________________________________________________________________________________ 3
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TA = -40°C to +85°C-50
+50
PFI, RST_IN1, RST_IN2
Leakage Current (Note 2) TA = -40°C to +125°C
-200 +200
nA
PFI to PFO Delay tPF 1µs
VIL
0.3 x VCC
MR Input Voltage VIH 0.7 x VCC
V
MR Minimum Input Pulse 1µs
MR Glitch Rejection 100 ns
MR to Reset Delay tMD 200 ns
VCC Rising to WDO Delay MAX6701(A)/MAX6702(A)/MAX6703(A)/
MAX6705(A)/MAX6706(A)/MAX6707(A) 100 ns
MR Pullup Resistance 25 50 75 kΩ
TA = -40°C to +85°C
1.12
1.6 2.4
Watchdog Timeout Period tWD TA = -40°C to +125°C
0.96 2.52
s
WDI Pulse Width tWDI (Note 2) 50 ns
VIL
0.3 x VCC
WDI Input Voltage VIH 0.7 x VCC
V
WDI Input Current IWDI WDI = 0V or VCC -1 +1 µA
VCC ≥ 1.0V, ISINK = 50µA, output asserted
(TA = 0°C to +125°C) 0.3
VCC ≥ 1.2V, ISINK = 100µA, output asserted 0.3
V
C C
≥ 2.55V , IS IN K = 1.2m A, outp ut asser ted 0.3
RESET, WDO Output Low
(Push-Pull or Open Drain) VOL
V
C C
≥ 4.25V , IS IN K = 3.2m A, outp ut asser ted 0.4
V
V
C C
≥ 1.80V , IS IN K = 200µA, outp ut asser ted 0.3
V
C C
≥ 2.55V , IS IN K = 1.2m A, outp ut asser ted 0.3
PFO Output Low
(Push-Pull or Open Drain) VOL
V
C C
≥ 4.25V , IS IN K = 3.2m A, outp ut asser ted 0.4
V
V
C C
≥ 2.7V , IS OU RC E
= 500µA, outp ut not asser ted 0.8 x VCC
RESET, WDO, PFO Output
High (Push-Pull Only) VOH V
C C
≥ 4.75V , IS OU RC E
= 800µA, outp ut not asser ted 0.8 x VCC
V
RESET, WDO, PFO Output
Open-Drain Leakage
Current
ILKG VCC > VTH, output not asserted 1.0 µA
VCC ≥ 1.0V, ISOURCE = 1µA, reset asserted
(TA = 0°C to +125°C) 0.8 x VCC
VCC ≥ 1.2V, ISOURCE = 50µA, reset asserted 0.8 x VCC
VCC ≥ 2.55V, ISOURCE = 500µA, reset asserted 0.8 x VCC
RESET Output High
(Push-Pull Only) VOH
VCC ≥ 4.25V, ISOURCE = 800µA, reset asserted 0.8 x VCC
V
VCC ≥ 2.7V, ISINK = 1.2mA, reset not asserted 0.3
RESET Output Low
(Push-Pull Only) VOL VCC ≥ 4.75V, ISINK = 3.2mA, reset not asserted 0.4 V
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +4.25V to +5.5V for L/M versions, VCC = +2.55V to +3.6V for the T/S/R versions, VCC = +2.1V to +2.75V for the Z/Y versions.
TA= -40°C to +125°C, unless otherwise specified. Typical values are at TA= +25°C.) (Note 1)
Note 1: Over-temperature limits are guaranteed by design and not production tested. Devices are tested at TA= +25°C.
Note 2: Guaranteed by design. Not production tested.
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
4 _______________________________________________________________________________________
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
0
4
12
8
16
20
-40 10-15 35 60 85
SUPPLY CURRENT vs. TEMPERATURE
MAX6701 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
VCC = 5V
VCC = 3.3V
MAX6705(A)
MAX6708
210
205
200
195
190
-40 10-15 356085
RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX6701 toc02
TEMPERATURE (°C)
RESET TIMEOUT PERIOD (ms)
20
15
10
5
0
-40 10-15 35 60 85
VCC TO RESET OUTPUT DELAY
vs. TEMPERATURE
MAX6701 toc03
TEMPERATURE (°C)
VCC TO RESET OUTPUT DELAY (µs)
1.70
1.65
1.60
1.55
1.50
-40 10-15 356085
WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
MAX6701 toc04
TEMPERATURE (°C)
WATCHDOG TIMEOUT PERIOD (s)
0.95
0.98
0.97
0.96
0.99
1.00
1.01
1.02
1.03
1.04
1.05
-40 10-15 356085
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
MAX6701 toc05
TEMPERATURE (°C)
NORMALIZED RESET THRESOLD
0 40 80 120 160
MAXIMUM VCC TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
MAX6701 toc06
RESET THRESHOLD OVERDRIVE (mV)
MAXIMUM TRANSIENT DURATION (µs)
0
10
20
30
40
50
60
MAX670_Y
RESET OCCURS
ABOVE LINE
0
25
50
75
100
0 800 1600 2400400 1200 2000 2800 3200
OUTPUT-VOLTAGE LOW
vs. SINK CURRENT
MAX6701 toc07
SINK CURRENT (µA)
VOL (mV)
VCC ≥ 4.25V
0
50
150
100
250
300
200
350
0 800 1200400 1600 2000 2400 2800 3200
VCC - VOH vs. SOURCE CURRENT
MAX6701 toc08
SOURCE CURRENT (µA)
VCC - VOH (mV)
VCC ≥ 4.25V
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
_______________________________________________________________________________________ 5
Pin Description
PIN
MAX6701(A)
MAX6702(A)
MAX6703(A)
MAX6704
MAX6705(A)
MAX6706(A)
MAX6707(A)
MAX6708 NAME
FUNCTION
11 11MR
Active-Low, Manual Reset Input, Internal 50kΩ Pullup to VCC.
Pull low to force a reset. Reset remains active as long as MR is
low and the reset timeout period after MR goes high. Leave
unconnected or connect to VCC if unused. WDO deasserts
when MR is low ( M AX 6701( A) /M AX 6702( A) /M AX 6703( A) /
M AX 6705( A) / M AX 6706( A) /M AX 6707( A) onl y) .
22 22V
CC S up p l y V ol tag e for M AX 6701–M AX 6708 and Inp ut for P r i m ar y
Reset Thr eshol d M oni tor . P ush- p ul l outp uts ar e p ow er ed b y V
C C
.
3 3 3 3 GND Ground
—4 4 4 PFI
Power-Fail Voltage Monitor Input. High-impedance input for
internal power-fail comparator. Connect this pin to an external
resistive-divider network to set the reset threshold voltage;
0.62V (typ) threshold. Connect to GND or VCC when not used.
—555PFO Power-Fail Monitor Output. Open drain or push-pull active low.
PFO goes low when PFI is less than 0.62V.
66 6—WDI
Watchd og Inp ut. If WD I r em ai ns hi g h or l ow for l ong er than the
w atchd og ti m eout p er i od , the i nter nal w atchd og ti m er r uns out and
WDO i s asser ted . WDO i s asser ted l ow after each w atchd og
over fl ow and r em ai ns l ow unti l the w atchd og ti m er i s cl ear ed ( the
r eset outp ut i s not affected ) . The i nter nal w atchd og ti m er cl ear s
w henever a V
C C
/RS T_IN 1/RS T_IN 2 r eset i s asser ted , the m anual
r eset i s asser ted , or WD I sees a r i si ng or fal l i ng ed g e. The
w atchd og ti m er r em ai ns cl ear ed unti l the r eset outp ut i s
d easser ted . On the M AX 6704, RES ET p ul se asser ts for the r eset
ti m eout p er i od after each w atchd og ti m eout over fl ow . The
w atchd og ti m er cannot b e d i sab l ed .
—— — 6 N.C. No Connection. Not internally connected.
77 77
RESET
Acti ve- Low Reset Outp ut ( Op en D r ai n or P ush- P ul l ) . RES ET
chang es fr om hi g h to l ow w hen the V
C C
i np ut d r op s b el ow the
sel ected r eset thr eshol d ( or RS T_IN 1/ RS T_IN 2 for the
M AX 6701( A) /M AX 6702( A) /M AX 6703( A) , MR i s p ul l ed l ow , or the
w atchd og tr i g g er s a r eset ( M AX 6704 onl y) . RES ET r em ai ns l ow for
the r eset ti m eout p er i od after the r eset cond i ti ons ar e ter m i nated .
Detailed Description
Figures 1, 2, and 3 are functional diagrams for the
MAX6705(A)/MAX6706(A)/MAX6707(A), MAX6704/
MAX6708, and MAX6701(A)/ MAX6702(A)/MAX6703(A),
respectively.
Reset Output
A microprocessor’s (µP’s) reset input starts the µP in a
known state. The MAX6701–MAX6708 assert reset dur-
ing power-up and prevent code execution errors during
power-down or brownout conditions.
On power-up, once VCC reaches 1V, RESET is a guar-
anteed logic low of 0.4V or less. As VCC rises, RESET
stays low. After VCC, RST_IN1, or RST_IN2 rise above
the reset threshold, an internal timer holds RESET low
for about 200ms. RESET pulses low whenever VCC dips
below the reset threshold, including brownout condi-
tions. If a brownout occurs in the middle of a previously
initiated reset pulse, the pulse continues for at least
another 140ms. On power-down, once VCC falls below
the reset threshold, RESET stays low and is guaranteed
to be 0.4V or less, until VCC drops below 1V.
The MAX6702(A)/MAX6704/MAX6706(A)/MAX6708
active-high RESET output is the complement of the
RESET output, and is guaranteed to be valid with VCC
down to 1V.
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
6 _______________________________________________________________________________________
Pin Description (continued)
PIN
MAX6701(A)
MAX6702(A)
MAX6703(A)
MAX6704
MAX6705(A)
MAX6706(A)
MAX6707(A)
MAX6708 NAME
FUNCTION
8—8—WDO
Active-Low Watchdog Output (Open Drain or Push-Pull). WDO
is asserted whenever the watchdog times out and VCC or the
reset inputs are below their respective thresholds. WDO
deasserts after a valid WDI transition without a reset timeout
period. In the A versions, WDO deasserts without a timeout
delay when VCC, RST_IN1, and RST_IN2 rises above its
threshold. Pull MR low to assert WDO (MAX6701/MAX6702/
MAX6703/MAX6705/MAX6706/MAX6707 only). Pull MR low to
deassert WDO (MAX6701(A)/MAX6702(A)/MAX6703(A)/
MAX6705(A)/MAX6706(A)MAX6707(A) only).
7* 8 7* 8
RESET
Active-High Reset Output (Push-Pull). RESET changes from low
to high when the VCC input drops below the selected reset
threshold (or RST_IN1/RST_IN2 for MAX6701(A)/MAX6702(A)/
MAX6703(A), MR is pulled low, or the watchdog triggers a
reset (MAX6704 only). RESET remains high for the reset
timeout period after the reset conditions are terminated.
4———
RST_IN1
Input for User-Adjustable VCC2 Monitor. High-impedance input
for second internal reset comparator. Connect this pin to an
external resistive-divider network to set the reset threshold
voltage; 0.62V (typ) threshold. Connect to VCC when not used.
Reset is asserted when either VCC, RST_IN1, or RST_IN2 are
below threshold.
5———
RST_IN2
Input for User-Adjustable VCC3 Monitor. High-impedance input
for third internal reset comparator. Connect this pin to an
external resistive-divider network to set the reset threshold
voltage; 0.62V (typ) threshold. Connect to VCC when not used.
Reset is asserted when either VCC, RST_IN1, or RST_IN2 are
below threshold.
*RESET active-high for the MAX6702(A)/MAX6706(A).
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
_______________________________________________________________________________________ 7
WATCHDOG
TIMER
RESET
GENERATOR
8
WDI
(MAX6704 ONLY)
7
6
RESET
RESET
5PFO
3
0.62V
VREF
VCC
50kΩ
1
MR
2
VCC
4
PFI
MAX6704
MAX6708
GND
RESET
GENERATOR
WATCHDOG
TIMER
RESET (RESET)
WDO
WDI
0.62V 0.62V
VREF
MR
VCC
RST_IN1 RST_IN2
VCC
50kΩ
MAX6701(A)
MAX6702(A)
MAX6703(A)
( ) ARE FOR MAX6702(A) ONLY.
Figure 2. MAX6704/MAX6708 Functional Diagram
Figure 3. MAX6701(A)/MAX6702(A)/MAX6703(A) Functional
Diagram
WATCHDOG
TIMER
RESET
GENERATOR
VCC
50kΩ
8WDO
7RESET
(RESET)
5PFO
GND
3
0.62V
( ) ARE FOR MAX6706(A) ONLY.
6
WDI
1
MR 2
V
VREF
CC
4
PFI
MAX6705(A)
MAX6706(A)
MAX6707(A)
Figure 1. MAX6705(A)/MAX6706(A)/MAX6707(A) Functional
Diagram
tRP tRP
VCC
0V
RESET
WDO
VCC
0V
WDI
VCC
0V
MR
MR EXTERNALLY DRIVEN LOW
VCC
0V
VCC
VTH VTH
tMD
NOTE: THE MAX6706 RESET OUTPUT IS THE INVERSE OF THE RESET SHOWN.
Figure 4. MAX6705/MAX6706/MAX6707
RESET
,
MR
,
WDO
,
and WDI Timing
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
8 _______________________________________________________________________________________
Standard- vs. A-Version Comparison
The MAX6701/MAX6702/MAX6703/MAX6705/MAX6706/
MAX6707s’ WDO latches low when one of the following
events occurs:
•The watchdog timer times out (1.6s, typ).
•VCC, RST_IN1, or RST_IN2 is below its reset threshold.
•MR is pulled low.
•WDO only deasserts with a valid WDI transition.
TheMAX6701(A)/MAX6702(A)/MAX6703(A)/MAX6705(A)/
MAX6706(A)/MAX6707(A)s’ WDO asserts when either
VCC, RST_IN1, or RST_IN2 is below its reset threshold.
WDO deasserts without a timeout delay when the
undervoltage situation has expired. WDO is latched low
when the watchdog timer elapses without seeing a WDI
transition. WDO deasserts with a valid WDI transition
OR by pulling MR low.
See Figures 4 and 5 for standard-version timing. See
Figures 6 and 7 for A-version timing.
Watchdog Timer
The MAX6701–MAX6707 watchdog circuit monitors the
µP’s activity. If the µP does not toggle the WDI within 1.6s,
WDO goes low. When RESET is asserted, the watchdog
timer stays cleared and does not count. As soon as reset
is released, the timer starts counting. WDO deasserts
after a valid transition is detected at WDI. Pulses as short
as 50ns can be detected.
Typically, WDO is connected to the NMI input of a µP.
When VCC, RST_IN1, or RST_IN2 drop below the reset
threshold, WDO goes low whether or not the watchdog
timer has timed out. Normally this would trigger an NMI,
but RESET goes low simultaneously, and thus overrides
the NMI.
The MAX6704 watchdog circuit does not have an inde-
pendent watchdog output (WDO). If the µP does not
toggle the watchdog input within 1.6s, the MAX6704
asserts a reset output pulse for the reset timeout period.
Manual Reset
The manual reset input (MR) allows reset to be trig-
gered by a pushbutton switch. The switch is effectively
debounced by the reset pulse width. MR is CMOS logic
compatible, so it can be driven by an external logic
line. MR can be used to force a watchdog timeout to
generate a reset pulse in the MAX6701(A)/MAX6702(A)/
MAX6703(A)/MAX6705(A)/MAX6706(A)/MAX6707(A) by
connecting WDO to MR.
Power-Fail Comparator
The uncommitted power-fail comparator can be used
for various purposes because its noninverting input and
output are externally available. The inverting input is
internally connected to a 0.62V reference. To build an
early warning circuit for power failure, connect the PFI
pin to a voltage-divider (see the Typical Operating
Circuit). Choose the voltage-divider ratio so that the
voltage at PFI falls below 0.62V just before the regulator
drops out. Use PFO to interrupt the µP so it can prepare
for an orderly power-down. The low-input current at this
pin allows for large resistor values in the divider.
tWD tWD
+5V
0V
WDI
+5V
0V
WDO
+5V
0V
RESET
+5V
0V
(RESET)
tRP
RESET EXTERNALLY
TRIGGERED BY MR
+5V
0V
MR
( ) ARE FOR MAX6702/MAX6706 ONLY.
tWDI
tRP tRP
+5V
0V
RESET
WDO
+5V
0V
MR
tMR
+5V
0V
VCC
VTH VTH
tMD
Figure 5. MAX6701/MAX6702/MAX6703/MAX6705/MAX6706/
MAX6707 Watchdog
Figure 6. MAX6701(A)/MAX6702(A)/MAX6703(A)/MAX6705(A)/
MAX6706(A)/MAX6707(A) RESET, MR, and WDO Timing with
WDI Three-Stated
Reset Input
The MAX6701(A)/MAX6702(A)/MAX6703(A) include two
adjustable reset inputs for monitoring up to a total of
three system voltages (including VCC). The thresholds
for the monitored RST_IN supplies are externally set
with resistor-divider networks (Figure 8). The reset out-
put is asserted if any of the monitored supplies (VCC,
RST_IN1, or RST_IN2) go below its specified threshold
and remains asserted for the reset timeout period after
all supplies are above their thresholds.
Applications Information
Ensuring a Valid
RESET
Output Down to VCC = 0
When VCC falls below 1V, the MAX6701–MAX6708
RESET output no longer sinks current—it becomes an
open circuit. High-impedance CMOS logic inputs can
drift to undetermined voltages if left undriven. If a pull-
down resistor is added to the RESET pin as shown in
Figure 9, any stray charge or leakage currents are
drained to ground, holding RESET low. A resistor value
(R1) is not critical; 100kΩis large enough not to load
RESET and small enough to pull RESET to ground. This
application works for push-pull output only (not for
open-drain resets).
Monitoring Other System Voltages
Other systems can be monitored by connecting a volt-
age-divider to PFI and adjusting the ratio appropriately.
In noisy systems, a capacitor between PFI and GND
reduces the power-fail circuit’s sensitivity to high-fre-
quency noise on the line being monitored. Reset can
be asserted on other voltages in addition to the VCC
supply line. Connect PFO to MR to initiate a reset out-
put pulse when PFI drops below 0.62V. Figure 10
shows the MAX6704–MAX6708 configured to assert a
reset output when the secondary supply falls below the
reset threshold.
Generating a Reset
from Watchdog Overflow
Connect WDO to MR to force a watchdog timeout to gen-
erate a reset pulse for only the reset timeout period on the
MAX6701(A)/MAX6702(A)/MAX6703(A)/MAX6705(A)/
MAX6706(A)/MAX6707(A). When the MAX6704 watch-
dog times out, reset outputs are automatically asserted
(no external connections required). For the MAX6701/
MAX6702/MAX6703/MAX6705/MAX6706/MAX6707 non-A
versions, do not connect WDO to MR; this creates a
locked condition.
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
_______________________________________________________________________________________ 9
tWD
tWD
tWD
+5V
0V
WDI
+5V
0V
WDO
+5V
0V
RESET
+5V
0V
(RESET)
tRP
+5V
0V
MR
( ) ARE FOR MAX6702(A)/MAX6706(A) ONLY.
tWDI
Figure 7. MAX6701(A)/MAX6702(A)/MAX6703(A)/MAX6705(A)/
MAX6706(A)/MAX6707(A) Watchdog Timing
R1
R2
0.62V
PFI, RST_IN1, OR RST_IN2
VEXTERNAL
0.62
R1 = R2 x (VEXT-TH - 1)
R2
VEXT-TH = (1 + R1) x 0.62V
WHERE VEXT-TH IS THE EXTERNAL VOLTAGE TRIP LEVEL.
MAX6701(A)–
MAX6708
Figure 8. Calculating Adjustable Voltage Thresholds
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
10 ______________________________________________________________________________________
Threshold Suffix Guide
SUFFIX RESET
THRESHOLD (V)
L 4.63
M 4.38
T 3.08
S 2.93
R 2.63
Z 2.32
Y 2.19
Bold indicates standard version.
R1 (100kΩ)
RESET
MAX6701(A)
MAX6704
MAX6705(A)
MAX6708
Figure 9.
RESET
Valid to Ground Circuit
VCC
PFI
MR
PFO
RESET
0.9V
3.3V
MAX6704–
MAX6708
I/O
SUPPLY
CORE
SUPPLY
µP
RESET
(RESET)
() ARE FOR MAX6704/MAX6706(A)/MAX6708 ONLY.
Figure 10. Monitoring Other System Voltages
PART RESET
PP LOW
RESET
PP HIGH
RESET
OD-LOW WDI WDO PFI,
PFO
RST_IN1,
RST_IN2
MAX6701 ✔——✔✔ PP —✔
MAX6701A* ✔——✔✔ PP —✔
MAX6702 —✔—✔✔ PP —✔
MAX6702A* —✔—✔✔ PP —✔
MAX6703 ——✔✔✔ OD —✔
MAX6703A* ——✔✔✔ OD —✔
MAX6704 ✔✔—✔—✔ PP —
MAX6705 ✔——✔✔ PP ✔ PP —
MAX6705A* ✔——✔✔ PP ✔ PP —
MAX6706 —✔—✔✔ PP ✔ PP —
MAX6706A* —✔—✔✔ PP ✔ PP —
MAX6707 ——✔✔✔ OD ✔ OD —
MAX6707A* ——✔✔✔ OD ✔ OD —
MAX6708 ✔✔———✔ PP —
Selector Guide
PP = push-pull, OD = open drain.
*
WDO
deasserts when
MR
is pulled low. See the Standard- vs. A-Version Comparison section for the differences on
WDO
.
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
______________________________________________________________________________________ 11
VCC
PFI
MR PFO
WDO
RESET
UNREGULATED DC
MAX6705(A)
MAX6706(A)
MAX6707(A)
PUSHBUTTON
SWITCH
INTERRUPT
µP
REGULATOR
VCC
RESET
NMI
DC-DC
WDI I/O
Typical Operating Circuit
( ) ARE FOR MAX6706(A) ONLY.
WDI
PFOPFI
1
2
8
7
RESET
RESETVCC
GND
MR
SOT23
3
4
6
5
MAX6704
WDI
PFOPFI
1
2
8
7
WDO
RESET (RESET)VCC
GND
MR
SOT23
3
4
6
5
MAX6705(A)
MAX6706(A)
MAX6707(A) N.C.
PFOPFI
1
2
8
7
RESET
RESETVCC
GND
MR
SOT23
3
4
6
5
MAX6708
TOP VIEW
Pin Configurations (continued)
Chip Information
TRANSISTOR COUNT: 716
PROCESS: BiCMOS
Ordering Information (continued)
PART TEMP RANGE
PIN-PACKAGE
MAX6702_ KA-T
-40°C to +125°C
8 SOT23-8
MAX6702A_ KA-T
-40°C to +125°C
8 SOT23-8
MAX6703_ KA-T
-40°C to +125°C
8 SOT23-8
MAX6703A_ KA-T
-40°C to +125°C
8 SOT23-8
MAX6704_KA-T
-40°C to +125°C
8 SOT23-8
MAX6705_KA-T
-40°C to +125°C
8 SOT23-8
MAX6705A_KA-T
-40°C to +125°C
8 SOT23-8
MAX6706_KA-T
-40°C to +125°C
8 SOT23-8
MAX6706A_KA-T
-40°C to +125°C
8 SOT23-8
MAX6707_KA-T
-40°C to +125°C
8 SOT23-8
MAX6707A_KA-T
-40°C to +125°C
8 SOT23-8
MAX6708_KA-T
-40°C to +125°C
8 SOT23-8
Insert the desired suffix letter (from the Threshold Suffix Guide
table) into the blank to complete the part number. All devices
must be ordered in increments of 2500 pieces. Sample stock is
typically held on standard versions only. Contact factory for
availability.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
MAX6701–08/MAX6701A–03A/05A–07A
Low-Voltage, SOT23 µP Supervisors with Power-
Fail In/Out, Manual Reset, and Watchdog Timer
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2005 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products, Inc.
SOT23, 8L .EPS
REV.DOCUMENT CONTROL NO.APPROVAL
PROPRIETARY INFORMATION
TITLE:
3.002.60E
CE1
E
BETWEEN 0.08mm AND 0.15mm FROM LEAD TIP.
8. MEETS JEDEC MO178 VARIATION BA.
8¡
0.60
1.75
0.30
L2
0¡
e1
e
L
1.50E1
0.65 BSC.
1.95 REF.
0.25 BSC.
GAUGE PLANE
SEATING PLANE C
C
L
PIN 1
I.D. DOT
(SEE NOTE 6)
L
C
L
C
A2
e1
D
DETAIL "A"
5. COPLANARITY 4 MILS. MAX.
NOTE:
7. SOLDER THICKNESS MEASURED AT FLAT SECTION OF LEAD
6. PIN 1 I.D. DOT IS 0.3 MM fl MIN. LOCATED ABOVE PIN 1.
4. PACKAGE OUTLINE INCLUSIVE OF SOLDER PLATING.
3. PACKAGE OUTLINE EXCLUSIVE OF MOLD FLASH & METAL BURR.
HEEL OF THE LEAD PARALLEL TO SEATING PLANE C.
2. FOOT LENGTH MEASURED FROM LEAD TIP TO UPPER RADIUS OF
1. ALL DIMENSIONS ARE IN MILLIMETERS.
L2
L
A1
A
0.38
1.30
0.15
1.45
MAX
0.22b
0.90A2
0.00A1
0.90A
MINSYMBOL
3.00
0.22
2.80D
0.08C
SEE DETAIL "A"
L
C
be
E
1
21-0078
1
PACKAGE OUTLINE, SOT-23, 8L BODY
0
0
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
MAX6701A
Part Number Table
ENGLISH • 简体中文 • 日本語 • 한국어
WHAT'S NEW PRODUCTS SOLUTIONS DESIGN APPNOTES SUPPORT BUY COMPANY MEMBERS
Notes:
1. See the MAX6701A QuickView Data Sheet for further information on this product family or download the
MAX6701A full data sheet (PDF, 200kB).
2. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
3. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within
one business day.
4. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: See full
data sheet or Part Naming Conventions.
5. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product
uses.
Part Number Free
Sample
Buy
Direct Package: TYPE PINS SIZE
DRAWING CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX6701AZKA
Sample
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-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
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Materials Analysis
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Materials Analysis
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Materials Analysis
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MAX6702A
Part Number Table
ENGLISH • 简体中文 • 日本語 • 한국어
WHAT'S NEW PRODUCTS SOLUTIONS DESIGN APPNOTES SUPPORT BUY COMPANY MEMBERS
Notes:
1. See the MAX6702A QuickView Data Sheet for further information on this product family or download the
MAX6702A full data sheet (PDF, 200kB).
2. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
3. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within
one business day.
4. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: See full
data sheet or Part Naming Conventions.
5. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product
uses.
Part Number Free
Sample
Buy
Direct Package: TYPE PINS SIZE
DRAWING CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX6702AYKA+
Sample
Buy
-40°C to +125°C RoHS/Lead-Free: Yes
MAX6702ATKA+
Sample
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-40°C to +125°C RoHS/Lead-Free: Yes
MAX6702AZKA
Sample
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Materials Analysis
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Materials Analysis
MAX6702AMKA+
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Materials Analysis
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Materials Analysis
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Materials Analysis
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Materials Analysis
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Materials Analysis
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Materials Analysis
MAX6702AYKA+T
Buy
-40°C to +125°C RoHS/Lead-Free: Yes
MAX6702ALKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
CONTACT US: SEND US AN EMAIL
Copyright © 2007 by Maxim Integrated Products, Dallas Semiconductor • Legal Notices • Privacy Policy
Pa
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e 3 of 3MAX6702A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6702ALKA.mht
MAX6703A
Part Number Table
ENGLISH • 简体中文 • 日本語 • 한국어
WHAT'S NEW PRODUCTS SOLUTIONS DESIGN APPNOTES SUPPORT BUY COMPANY MEMBERS
Notes:
1. See the MAX6703A QuickView Data Sheet for further information on this product family or download the
MAX6703A full data sheet (PDF, 200kB).
2. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
3. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within
one business day.
4. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: See full
data sheet or Part Naming Conventions.
5. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product
uses.
Part Number Free
Sample
Buy
Direct Package: TYPE PINS SIZE
DRAWING CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX6703AZKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703ALKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703AMKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703AMKA
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703ARKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703ARKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
Pa
g
e 1 of 3MAX6703A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6703ALKA.mht
Use pkgcode/variation: K8-2*
MAX6703ASKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703ASKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703ATKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703ATKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703AYKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703AYKA
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703AZKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703ALKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703AZKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703AMKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703ARKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703ASKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703ATKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703AYKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
Pa
g
e 2 of 3MAX6703A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6703ALKA.mht
Didn't Find What You Need?
MAX6703AZKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6703ALKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703AMKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703ARKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703ASKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703ATKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703AYKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6703ALKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
CONTACT US: SEND US AN EMAIL
Copyright © 2007 by Maxim Integrated Products, Dallas Semiconductor • Legal Notices • Privacy Policy
Pa
g
e 3 of 3MAX6703A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6703ALKA.mht
MAX6705A
Part Number Table
ENGLISH • 简体中文 • 日本語 • 한국어
WHAT'S NEW PRODUCTS SOLUTIONS DESIGN APPNOTES SUPPORT BUY COMPANY MEMBERS
Notes:
1. See the MAX6705A QuickView Data Sheet for further information on this product family or download the
MAX6705A full data sheet (PDF, 200kB).
2. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
3. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within
one business day.
4. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: See full
data sheet or Part Naming Conventions.
5. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product
uses.
Part Number Free
Sample
Buy
Direct Package: TYPE PINS SIZE
DRAWING CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX6705AZKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705ALKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705AMKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705AMKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705ARKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705ARKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
Pa
g
e 1 of 3MAX6705A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6705ALKA.mht
Use pkgcode/variation: K8-2*
MAX6705ASKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705ASKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705ATKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705ATKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705AYKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705AYKA
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705AZKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705ALKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705AZKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705AMKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705ARKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705ASKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705ATKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705AYKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
Pa
g
e 2 of 3MAX6705A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6705ALKA.mht
Didn't Find What You Need?
MAX6705AZKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6705ALKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705AMKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705ARKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705ASKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705ATKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705AYKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6705ALKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
CONTACT US: SEND US AN EMAIL
Copyright © 2007 by Maxim Integrated Products, Dallas Semiconductor • Legal Notices • Privacy Policy
Pa
g
e 3 of 3MAX6705A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6705ALKA.mht
MAX6706A
Part Number Table
ENGLISH • 简体中文 • 日本語 • 한국어
WHAT'S NEW PRODUCTS SOLUTIONS DESIGN APPNOTES SUPPORT BUY COMPANY MEMBERS
Notes:
1. See the MAX6706A QuickView Data Sheet for further information on this product family or download the
MAX6706A full data sheet (PDF, 200kB).
2. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
3. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within
one business day.
4. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: See full
data sheet or Part Naming Conventions.
5. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product
uses.
Part Number Free
Sample
Buy
Direct Package: TYPE PINS SIZE
DRAWING CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX6706AZKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706ALKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706AMKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706AMKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706ARKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706ARKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
Pa
g
e 1 of 3MAX6706A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6706ALKA.mht
Use pkgcode/variation: K8-2*
MAX6706ASKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706ASKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706ATKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706ATKA
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706AYKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706AYKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706AZKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706ALKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706AZKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706AMKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706ARKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706ASKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706ATKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706AYKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
Pa
g
e 2 of 3MAX6706A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6706ALKA.mht
Didn't Find What You Need?
MAX6706AZKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6706ALKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706AMKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706ARKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706ASKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706ATKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706AYKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6706ALKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
CONTACT US: SEND US AN EMAIL
Copyright © 2007 by Maxim Integrated Products, Dallas Semiconductor • Legal Notices • Privacy Policy
Pa
g
e 3 of 3MAX6706A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6706ALKA.mht
MAX6707A
Part Number Table
ENGLISH • 简体中文 • 日本語 • 한국어
WHAT'S NEW PRODUCTS SOLUTIONS DESIGN APPNOTES SUPPORT BUY COMPANY MEMBERS
Notes:
1. See the MAX6707A QuickView Data Sheet for further information on this product family or download the
MAX6707A full data sheet (PDF, 200kB).
2. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
3. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within
one business day.
4. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: See full
data sheet or Part Naming Conventions.
5. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product
uses.
Part Number Free
Sample
Buy
Direct Package: TYPE PINS SIZE
DRAWING CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX6707AZKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707ALKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707AMKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707AMKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707ARKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707ARKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
Pa
g
e 1 of 3MAX6707A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6707ALKA.mht
Use pkgcode/variation: K8-2*
MAX6707ASKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707ASKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707ATKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707ATKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707AYKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707AYKA
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707AZKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707ALKA+
Sample
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707AZKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707AMKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707ARKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707ASKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707ATKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707AYKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
Pa
g
e 2 of 3MAX6707A - Part Number Table - Maxim/Dallas
31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6707ALKA.mht
Didn't Find What You Need?
MAX6707AZKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
MAX6707ALKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707AMKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707ARKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707ASKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707ATKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707AYKA+T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8+2*
-40°C to +125°C RoHS/Lead-Free: Yes
Materials Analysis
MAX6707ALKA-T
Buy SOT-23;8 pin;
Dwg: 21-0078F (PDF)
Use pkgcode/variation: K8-2*
-40°C to +125°C RoHS/Lead-Free: No
Materials Analysis
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31-Jul-2007mhtml:file://C:\TEMP\MAXM\MAX6707ALKA.mht