800 Series - RC Networks ECL Terminator Circuits
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
General Description
Digital systems incorporating Emitter
Coupled Logic (ECL) or other ultra-high
switching speed logic families will require
signal termination to prevent transmis-
sion line effects such as reflections and
ringing due to fast transition times.
Bourns 800 series resistor capacitor net-
works are ideal for termination of high
speed transmission lines. Each network
is composed of resistors for parallel
termination and bypass capacitor(s) for
cross talk noise reduction.
The 5 conformal coated SIP circuit varia-
tions offered are as follows.
Electrical Characteristics
Resistance Tolerance......................±5 %
Resistance Power.......................0.1 watt
Capacitance Tolerance .................±20 %
Capacitor Dielectric Type..................X7R
Capacitance Voltage Rating .......50 Volts
Physical Characteristics
Flammability .........Conforms to UL94V-0
Leadframe ...................Copper (Olin 194)
Body Material...............Epoxy/Anhydride
(Conformal Material)
Custom Resistance Range
...........................10 ohms to 50K ohms
Custom Capacitance Range
................................39pF to 100,000pF
NPO and Z5U dielectrics available on a
custom basis.
A
MAXIMUM
PIN #1
REF.
MEDIUM PROFILE
HIGH PROFILE
A
MAXIMUM
PIN #1
REF.
8.89
(.350)
MAX.
3.43 + .38/ - .25
(.135 + .015/ - .010)
1.24
(.049)
MAX.
BOTH ENDS
.508 ± .050
(.020 ± .002)TYP.
2.54 ± .07
(.100 ± .003*)
TYP.
NON-ACCUM.
2.49
(.098)MAX.
.254 ± .050
(.010 ± .002) TYP.
Governing dimensions are metric. Dimensions in parentheses
are inches and are approximate.
*Terminal centerline to centerline measurements made at point of
emergence of the lead from the body.
6.35
(.250)
MAX.
3.43 + .38/ - .25
(.135 + .015/ - .010)
1.24
(.049)
MAX.
BOTH ENDS
.508 ± .050
(.020 ± .002)TYP.
2.54 ± .07
(.100 ± .003*)
TYP.
NON-ACCUM.
3.81
(.150)MAX.
.254 ± .050
(.010 ± .002)TYP.
PART NUMBER 4608M-801
500/103
YYWW
CIRCUIT
RESISTANCE
CODE
PIN ONE
INDICATOR MANUFACTURER'S
TRADEMARK
DATE CODE
801 AND 802
Represents total content. Layout may vary.
PART NUMBER 4610H-805
500/103
YYWW
CIRCUIT
RESISTANCE
CODE
PIN ONE
INDICATOR MANUFACTURER'S
TRADEMARK
DATE CODE
803 AND 805
Represents total content. Layout may vary.
PART NUMBER 4612M-804
500
YYWW
CIRCUIT
RESISTANCE
CODE
PIN ONE
INDICATOR MANUFACTURER'S
TRADEMARK
DATE CODE
804
Represents total content. Layout may vary.
Typical Part MarkingProduct Dimensions
Features
■Optimize data transmission in ECL
systems through proper termination
between drivers and receivers
■Minimize overshoot, undershoot, and
ringing while increasing noise immunity
■Provide decoupling capacitors
■RoHS compliant*
■Minimize space and routing problems,
and reduce manufacturing cost per
installed resistive function
■Increase board yields and reliability by
reducing component count
For Standard Values Used in Capacitors,
Inductors, and Resistors, click here.
For information on ECL Terminators,
download Bourns’ ECL Terminator
Application Note.
*RoHS COMPLIANT
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
801 8, 10 and 12 Pin SIP
(4608M-801-RC/CCL)
Designed to terminate 6 to 10 trans-
mission lines using parallel termination
techniques. Standard resistance values
include 50, 68, 75, 82, 90 or 100
ohms and are chosen to match the
characteristic impedance (Zo) of the
transmission line. A 0.01 mF capacitor is
provided to help maintain a solid power
supply level within the network package,
mitigating any cross talk or feedthrough
effects. Values for R and C not shown in
the following table are available on a
custom basis.
Standard 801 Part Numbers
802 10 Pin SIP
(4610M-802-RC/CCL)
Designed to terminate 6 transmission
lines using parallel termination tech-
niques. Popular resistance values
include 50, 68, 75, 82, 90 or 100
ohms and are chosen to match the
characteristic impedance (Zo) of the
transmission line. Two 0.01 µF
capacitors are provided to reduce cross
talk between lines and to decrease
network package inductance. Values for
R and C not shown in the following table
are available on a custom basis.
Standard 802 Part Numbers
803 8, 10 and 12 Pin SIP 10K ECL
(4610H-803-ZoC/CCL)
Designed to terminate 6 to 10 trans-
mission lines using Thevenin equivalent
parallel termination techniques in
systems using 10K ECL. Popular
impedance values include 50, 70, 75, 80,
90, 100, 120, 150 or 200 ohms. Standard
values for R1 and R2, based on Zo, have
been chosen to accommodate 10K ECL
designs. A 0.1 µF capacitor is provided
to reduce cross talk noise within the
network package. Values for Zoand C
not shown in the following table are
available on a custom basis. This type of
termination is an alternative to parallel
termination used when a separate Vtt
power supply is not available.
Standard 803 Part Numbers
RC
±2% ±20% Bourns Part Number
50Ω0.01µF 4608M-801-500/103L
68Ω0.01µF 4608M-801-680/103L
75Ω0.01µF 4608M-801-750/103L
82Ω0.01µF 4608M-801-820/103L
90Ω0.01µF 4608M-801-900/103L
100Ω0.01µF 4608M-801-101/103L
801 Electrical Schematic and Application
RC
±2% ±20% Bourns Part Number
50Ω0.01µF 4610M-802-500/103L
68Ω0.01µF 4610M-802-680/103L
75Ω0.01µF 4610M-802-750/103L
82Ω0.01µF 4610M-802-820/103L
90Ω0.01µF 4610M-802-900/103L
100Ω0.01µF 4610M-802-101/103L
802 Electrical Schematic and Application
Zo C
±2% R1 R2 ±20% Bourns Part No.
50Ω81Ω130Ω0.1µF 4610H-803-500/104L
70Ω113Ω182Ω0.1µF 4610H-803-700/104L
75Ω121Ω195Ω0.1µF 4610H-803-750/104L
80Ω130Ω208Ω0.1µF 4610H-803-800/104L
90Ω146Ω234Ω0.1µF 4610H-803-900/104L
100Ω162Ω260Ω0.1µF 4610H-803-101/104L
120Ω194Ω312Ω0.1µF 4610H-803-121/104L
150Ω243Ω390Ω0.1µF 4610H-803-151/104L
200Ω325Ω520Ω0.1µF 4610H-803-201/104L
803 Electrical Schematic and Application
1 8
V
cc
Vtt
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
110
V
cc
Vtt
Line 1
Line 2
Line 3
Line 6
Line 4
Line 5
Vtt
V
cc
110
Line 1
Line 2
Line 3
Line 6
Line 4
Line 5
V
cc
R2
R1
C
V
ee
Line 8
Line 7
800 Series - RC Networks ECL Terminator Circuits
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
804 12 Pin SIP ECL
(4612M-804-RCL)
Designed to terminate 6 transmission
lines using parallel termination
techniques. Popular resistance values
include 50 or 100 ohms. A 0.1 µF
capacitor is provided for connection
to Vee. Two 0.01 µF capacitors are
provided for connection to Vtt. Values for
R and C not shown in the following table
are available on a custom basis.
Standard 804 Part Numbers
805 8, 10 and 12 Pin SIP 100K ECL
(4610H-805-ZoC/CCL)
Designed to terminate 6 to 10 trans-
mission lines using Thevenin equivalent
parallel termination techniques in
systems using 100K ECL. Popular
impedance values include 50, 70, 75, 80,
90, 100, 120, 150 or 200 ohms. Standard
values for R1 and R2, based on Zo, have
been chosen to accommodate 100K
ECL designs. A 0.1 µF capacitor is
provided to reduce cross talk noise
within the network package. Values for
Zoand C not shown in the following
table are available on a custom basis.
This type of termination is an alternative
to parallel termination used when a
separate Vtt power supply is not
available.
Standard 805 Part Numbers
RCtCe
±2% ±20% ±20% Bourns Part Number
50Ω0.01µF0.1µF 4612M-804-500L
100Ω0.01µF0.1µF 4612M-804-101L
804 Electrical Schematic and Application
Zo C
±2% R1 R2 ±20% Bourns Part No.
50Ω90Ω113Ω0.1µF 4610H-805-500/104L
70Ω126Ω158Ω0.1µF 4610H-805-700/104L
75Ω135Ω169Ω0.1µF 4610H-805-750/104L
80Ω144Ω180Ω0.1µF 4610H-805-800/104L
90Ω161Ω202Ω0.1µF 4610H-805-900/104L
100Ω180Ω225Ω0.1µF 4610H-805-101/104L
120Ω216Ω270Ω0.1µF 4610H-805-121/104L
150Ω270Ω338Ω0.1µF 4610H-805-151/104L
200Ω360Ω450Ω0.1µF 4610H-805-201/104L
805 Electrical Schematic and Application
How To Order 801
46 08 M - 801 - 500 103 L
Model
(46 = Conformal SIP)
Number of Pins
(8, 10, 12)
Physical Config.
•M = Medium Profile
Electrical Configuration
Resistance Code
•First 2 digits are significant
•Third digit represents the number of zeros to follow.
•Units = ohms
Capacitance Code
•First 2 digits are significant
•Third digit represents the number of zeros to follow.
•Units = picofarads
Termination
L = Lead Free (Sn/Ag/Cu-plated)
Consult factory for other available options.
How To Order 802
46 10 M - 802 - 500 103 L
Model
(46 = Conformal SIP)
Number of Pins
Physical Config.
•M = Medium Profile
Electrical Configuration
Resistance Code
•First 2 digits are significant
•Third digit represents the number of zeros to follow.
•Units = ohms
Capacitance Code
•First 2 digits are significant
•Third digit represents the number of zeros to follow.
•Units = picofarads
Termination
L = Lead Free (Sn/Ag/Cu-plated)
Consult factory for other available options.
How To Order 803 and 805
46 08 H - 803 - 101 103 L
Model
(46 = Conformal SIP)
Number of Pins
(8, 10, 12)
Physical Config.
•H = High Profile
Electrical Configuration
•803 •805
Impedance Code
•First 2 digits are significant
•Third digit represents the number of zeros to follow.
•Units = ohms
Capacitance Code
•First 2 digits are significant
•Third digit represents the number of zeros to follow.
•Units = picofarads
Termination
L = Lead Free (Sn/Ag/Cu-plated)
Consult factory for other available options.
How To Order 804
46 12 M - 804 - 500 L
Model
(46 = Conformal SIP)
Number of Pins
Physical Config.
•M = Medium Profile
Electrical Configuration
Resistance Code
•First 2 digits are significant
•Third digit represents the number of zeros to follow.
•Units = ohms
Termination
L = Lead Free (Sn/Ag/Cu-plated)
Consult factory for other available options.
110
Line 1
Line 2
Line 3
Line 6
Line 4
Line 5
V
cc
R2
R1
C
V
ee
Line 8
Line 7
800 Series - RC Networks ECL Terminator Circuits
REV. 11/06
