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SN75129

Texas Instruments
Part Number SN75129
Manufacturer Texas Instruments
Description 8-Channel Line Receiver
Published Sep 3, 2019
Detailed Description ą • Meets or Exceeds the Requirements of IBM System 360/370 Input/Output Specification • Input Resistance . . . 7 kΩ to...
Datasheet PDF File SN75129 PDF File

SN75129
SN75129

Overview
ą • Meets or Exceeds the Requirements of IBM System 360/370 Input/Output Specification • Input Resistance .
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7 kΩ to 20 kΩ • Output Compatible With TTL • Schottky-Clamped Transistors • Operates From a Single 5-V Supply • High Speed .
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Low Propagation Delay • Ratio Specification .
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tPLH /tPHL • Common Strobe for Each Group of Four Receivers • SN75128 .
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Active-High Strobes SN75129 .
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Active-Low Strobes SN75128, SN75129 EIGHTĆCHANNEL LINE RECEIVERS ą SLLS076B − JANUARY 1977 − REVISED MAY 1995 N PACKAGE (TOP VIEW) 1S/1S† 1A 2A 3A 4A 5A 6A 7A 8A GND 1 2 3 4 5 6 7 8 9 10 20 VCC 19 1Y 18 2Y 17 3Y 16 4Y 15 5Y 14 6Y 13 7Y 12 8Y 11 2S/2S† † S and S for SN75128 and SN75129, respectively description The SN75128 and SN75129 are eight-channel line receivers designed to satisfy the requirements of the input-output interface specification for IBM 360/370.
Both devices feature common strobes for each group of four devices.
The SN75128 has active-high strobes; the SN75129 has active-low strobes.
Special low-power design and Schottky-diode-clamped transistors allow low supply-current requirements while maintaining fast switching speeds and high-current TTL outputs.
For new IBM 360/370 interface designs, see the SN751730.
The SN75128 and SN75129 are characterized for operation from 0°C to 70°C.
logic symbols† SN75128 1 1S 11 2S EN1 EN2 1 1S 11 2S SN75129 EN1 EN2 2 1A 3 2A 4 3A 5 4A 6 5A 7 6A 8 7A 9 8A 19 1 1Y 18 2Y 17 3Y 16 4Y 15 2 5Y 14 6Y 13 7Y 12 8Y 2 1A 3 2A 4 3A 5 4A 6 5A 7 6A 8 7A 9 8A 1 19 1Y 18 2Y 17 3Y 16 4Y 2 15 5Y 14 6Y 13 7Y 12 8Y † These symbols are in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
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.
Copyright  1995, Texas Instruments ...


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