SN75126 Datasheet: Quadruple Line Driver





SN75126 Quadruple Line Driver Datasheet

Part Number SN75126
Description Quadruple Line Driver
Manufacture etcTI
Total Page 9 Pages
PDF Download Download SN75126 Datasheet PDF

Features: SN75126 QUADRUPLE LINE DRIVER SLLS060B – FEBRUARY 1990 – REVISED MAY 1995 • Meets or Exceeds the Requirements of IBM™ System 360/370 Input/Output I nterface Specification GA22-6974-3 • Minimum Output Voltage of 3.11 V at IOH = – 59.3 mA • Fault-Flag Circuit O utput Signals Driver Output Fault • F ault-Detection Current-Limit Circuit Mi nimizes Power Dissipation During a Faul t Condition • Dual Common Enable • Individual Fault Flags • Designed to Replace the MC3481 description The SN75 126 quadruple line driver is designed t o meet the IBM 360/370 I/O specificatio n A22-6974-3. The output voltage is 3.1 1 V minimum (at IOH = – 59.3 mA) over the recommended ranges of supply volta ge (4.5 V to 5.95 V) and temperature. D river outputs use a fault-detection cur rent-limit circuit to allow high drive current but still minimize power dissip ation when the output is shorted to gro und. The SN75126 is compatible with sta ndard TTL logic and supply voltages. D OR N PACKAGE (TOP VIEW) 1Y 1F 1A 1, 2G 2A 2F 2.

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SN75126
QUADRUPLE LINE DRIVER
SLLS060B – FEBRUARY 1990 – REVISED MAY 1995
Meets or Exceeds the Requirements of
IBMSystem 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-load or a 90-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 processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1995, Texas Instruments Incorporated
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