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SN75126

Texas Instruments
Part Number SN75126
Manufacturer Texas Instruments
Description Quadruple Line Driver
Published Sep 3, 2019
Detailed Description SN75126 QUADRUPLE LINE DRIVER SLLS060B – FEBRUARY 1990 – REVISED MAY 1995 • Meets or Exceeds the Requirements of IBM™ ...
Datasheet PDF File SN75126 PDF File

SN75126
SN75126

Overview
SN75126 QUADRUPLE LINE DRIVER SLLS060B – FEBRUARY 1990 – REVISED MAY 1995 • Meets or Exceeds the Requirements of IBM™ System 360/370 Input/Output Interface Specification GA22-6974-3 • Minimum Output Voltage of 3.
11 V at IOH = – 59.
3 mA • Fault-Flag Circuit Output Signals Driver Output Fault • Fault-Detection Current-Limit Circuit Minimizes Power Dissipation During a Fault Condition • Dual Common Enable • Individual Fault Flags • Designed to Replace the MC3481 description The SN75126 quadruple line driver is designed to meet the IBM 360/370 I/O specification A22-6974-3.
The output voltage is 3.
11 V minimum (at IOH = – 59.
3 mA) over the recommended ranges of supply voltage (4.
5 V to 5.
95 V) and temperature.
Driver outputs use a fault-detection current-limit circuit to allow high drive current but still minimize power dissipation when the output is shorted to ground.
The SN75126 is compatible with standard TTL logic and supply voltages.
D OR N PACKAGE (TOP VIEW) 1Y 1F 1A 1, 2G 2A 2F 2Y GND 1 2 3 4 5 6 7 8 16 VCC 15 4Y 14 4F 13 4A 12 3,4G 11 3A 10 3F 9 3Y FUNCTION TABLE INPUTS GA LX HH HH OUTPUTS YF LH HH SL H = high level, L = low level, X = irrelevant, S = shorted to ground Fault-flag circuitry is designed to sense and signal a line short on any Y line.
Upon detecting an output fault condition, the fault-flag circuit forces the driver output into a low state and signals a fault condition by causing the fault-flag output to go low.
The SN75126 can drive a 50-Ω load or a 90-Ω load as used in many I/O systems.
Optimum performance can be achieved when the device is used with either the SN75128 or SN75129 line receivers.
Also, see the SN751730 for new 360/370 interface designs.
The SN75126 is characterized for operation from 0°C to 70°C.
IBM is a trademark of International Business Machines Corp.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments standard warranty.
Production pr...


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