DS1603
DS1603 TRI-STATE Dual Receiver
Literature Number: SNOSBK2A
DS1603
TRI-STATE®Dual Receiver
General Description
The DS16033 is a dual differential TRI-STATE line receiver
designed for a broad range of system applications. It fea-
tures a high input impedance and low input current which
reduces the loading effects on a digital transmission line,
making it ideal for use in party line systems and general
purpose applications like transducer preamplifiers, level
translators and comparators.
The receivers feature a ±25 mV input sensitivity specified
over a ±3V common mode range. Input protection diodes
are incorporated in series with the collectors of the differen-
tial stage. These diodes are useful in applications that have
multiple V
CC
+ supplies or V
CC
+ supplies that are turned off
thus avoiding signal clamping. In addition, TTL compatible
strobe and control lines are provide for flexibility in the ap-
plication.
The DS1603 is pin compatible with the DS75107 dual line
receiver.
Features
nDiode protected input stage for power “OFF” condition
n17 ns typ high speed
nTTL compatible
n±25 mV input sensitivity
n±3V input common-mode range
nHigh-input inpedance with normal V
CC,
or V
CC
=0V
nStrobes for channel selection
nTRI-STATE outputs for high speed buses
Connection Diagram
TRI-STATE®is a registered trademark of National Semiconductor Corporation.
Dual-In-Line Package
DS005781-2
Top View
For Complete Military 883 Specifications, See RETS Data Sheet.
Order Number: DS1603J/883 or DS1603W/883
See NS Package Number J14A
May 1999
DS1603 TRI-STATE Dual Receiver
© 2001 National Semiconductor Corporation DS005781 www.national.com
Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
CC+
)7V
Supply Voltage (V
CC−
) −7V
Differential Input Voltage ±6V
Common Mode Input Voltage ±5V
Strobe Input Voltage 5.5V
Storage Temperature Range −65˚C to +150˚C
Maximum Power Dissipation (Note 1) at 25˚C
Cavity Package 1308 mW
Molded Package 1207 mW
Lead Temperature (Soldering, 4 sec) 260˚C
Operating Conditions
DS1603
Min Nom Max
Supply Voltage V
CC+
4.5V 5V 5.5V
Supply Voltage V
CC−
−4.5V −5V −5.5V
Operating Temperature Range −55˚C to +125˚C
Note 1: Derate cavity package 8.7 mW/˚C; derate molded package 9.7 mW/˚C above 25˚C.
Electrical Characteristics (Notes 3, 4)
T
MIN
≤T
A
≤T
MAX
Symbol Parameter Conditions Min Typ Max Units
I
IH
High Level Input Current V
CC+
= Max, V
CC−
= Max, 30 75 µA
into 1A, 1B, 2A or 2B V
ID
= 0.5V, V
IC
= −3V to 3V
I
IL
Low Level Input Current V
CC+
= Max, V
CC−
= Max, −10 µA
into 1A, 1B, 2A or 2B V
ID
= −2V, V
IC
= −3V to 3V
I
IH
High Level Input Current V
CC+
= Max V
IH(S)
= 2.4V 40 µA
into 1G, 2G or D V
CC−
= Max V
IH(S)
= Max V
CC+
1mA
I
IL
Low Level Input Current V
CC+
= Max, V
CC−
= Max, −1.6 mA
into D V
IL(D)
= 0.4V
I
IL
Low Level Input Current V
CC+
= Max, V
IH(D)
= 2V −40 µA
into 1G or 2G V
CC−
= Max, V
IL(D)
= 0.8V −1.6 mA
V
IL(G)
= 0.4V
V
OH
High Level Output Voltage V
CC+
= Min, V
CC−
= Min,
I
LOAD
= −2 mA, V
ID
= 25 mV, 2.4 V
V
IL(D)
= 0.8V, V
IC
= −3V to 3V
V
OL
Low Level Output Voltage V
CC+
= Min, V
CC−
= Min,
I
SINK
= 16 mA, V
ID
= −25 mV, 0.4 V
V
IL(D)
= 0.8V, V
IC
= −3V to 3V
I
OD
Output Disable Current V
CC+
= Max, V
OUT
= 2.4V 40 µA
V
CC−
= Max, V
OUT
= 0.4V −40 µA
V
IH(D)
=2V
I
OS
Short Circuit Output Current V
CC+
= Max, V
CC−
= Max, −18 −70 mA
V
IL(D)
= 0.8V (Note 5)
I
CCH+
High Logic Level Supply V
CC+
= Max, V
CC−
= Max, 28 40 mA
Current from V
CC+
V
ID
= 25 mV, T
A
= 25˚C
I
CCH−
High Logic Level Supply V
CC+
= Max, V
CC−
= Max, −8.4 −15 mA
Current from V
CC−
V
ID
= 25 mV, T
A
= 25˚C
V
I
Input Clamp Voltage V
CC+
= Min, V
CC−
= Min, −1 −1.5 V
onGorD I
IN
= −12 mA, T
A
= 25˚C
Note 2: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. Except for “Operating Temperature Range”
they are not meant to imply that the devices should be operated at these limits. The table of “Electrical Characteristics” provides conditions for actual device
operation.
Note 3: Unless otherwise specified min/max limits apply across the −55˚C to +125˚C temperature range for the DS1603 and across the 0˚C to +70˚C range for the
DS3603. All typical values are for TA= 25˚C and VCC =5V.
DS1603
www.national.com 2
Electrical Characteristics (Notes 3, 4) (Continued)
Note 4: All current into device pins shown as positive, out of device pins as negative, all voltages referenced to ground unless otherwise noted. All values shown
as max or min on absolute value basis.
Note 5: Only one output at a time should be shorted.
Switching Characteristics
V
CC+
= 5V, V
CC−
= −5V, T
A
= 25˚C
Symbol Parameter Conditions Min Typ Max Units
t
PLH(D)
Propagation Delay Time, Low-to- R
L
= 390Ω,C
L
= 50 pF, (Note 6)
High Level, from Differential 17 25 ns
Inputs A and B to Output
t
PHL(D)
Propagation Delay Time, High-to- R
L
= 390Ω,C
L
= 50 pF, (Note 6)
Low Level, from Differential 17 25 ns
Inputs A and B to Output
t
PLH(S)
Propagation Delay Time, Low-to- R
L
= 390Ω,C
L
=50pF
High Level, from Strobe Input G 10 15 ns
to Output
t
PHL(S)
Propagation Delay Time, High-to- R
L
= 390Ω,C
L
=50pF
Low Level, from Strobe Input G 8 15 ns
to Output
t
1H
Disable Low-to-High to Output R
L
= 390Ω,C
L
= 5 pF 20 ns
High to Off
t
0H
Disable Low-to-High to Output R
L
= 390Ω,C
L
= 5 pF 30 ns
Low to Off
t
H1
Disable High-to-Low to Output R
L
= 1k to 0V, C
L
=50pF 25 ns
Off to High
t
H0
Disable High-to-Low to Output R
L
= 390Ω,C
L
=50pF 25 ns
Off to Low
Note 6: Differential input is +100 mV to −100 mV pulse. Delays read from 0 mV on input to 1.5V on output.
DS1603
www.national.com3
Typical Application
Line Receiver Used in a Party-Line or Data-Bus System
DS005781-3
Line receivers are
DS75107/DS75108
or DS3603
Line drivers are
SN75109/µA75110/DS75110
or DS8831
DS1603
www.national.com 4
Schematic Diagram (Note 7)
Note 7:
1
⁄
2
of the dual circuit is shown.
Note 8: *Indicates connections common to second half of dual circuit.
DS005781-6
DS1603
www.national.com5
Physical Dimensions inches (millimeters) unless otherwise noted
Ceramic Dual-In-Line Package (J)
Order Number DS1603J
NS Package Number J14A
DS1603
www.national.com 6
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL
COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and
whose failure to perform when properly used in
accordance with instructions for use provided in the
labeling, can be reasonably expected to result in a
significant injury to the user.
2. A critical component is any component of a life
support device or system whose failure to perform
can be reasonably expected to cause the failure of
the life support device or system, or to affect its
safety or effectiveness.
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Corporation
Americas
Email: support@nsc.com
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Fax: 81-3-5639-7507
www.national.com
Molded Dual-In-Line Package (N)
Order Number DS3603N
NS Package Number N14A
DS1603 TRI-STATE Dual Receiver
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
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