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SN75ALS191D Datasheet(PDF) 1 Page - Texas Instruments

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Part # SN75ALS191D
Description  DUAL DIFFERENTIAL LINE DRIVER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN75ALS191D Datasheet(HTML) 1 Page - Texas Instruments

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SN75ALS191
DUAL DIFFERENTIAL LINE DRIVER
SLLS032B – DECEMBER 1987 – REVISED MAY 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Meets or Exceeds the Requirements of
ANSI Standard EIA/TIA-422-B and ITU
Recommendation V.11
D Designed to Operate at 20 Mbaud or Higher
D TTL-and CMOS-Input Compatibility
D Single 5-V Supply Operation
D Output Short-Circuit Protection
D Improved Replacement for the µA9638
description
The SN75ALS191 is a dual, high-speed, differential line driver designed to meet ANSI Standard EIA/TIA-422-B
and ITU Recommendation V.11. The inputs are TTL- and CMOS-compatible and have input clamp diodes.
Schottky-diode-clamped transistors minimize propagation delay time. This device operates from a single 5-V
power supply and is supplied in eight-pin packages.
The SN75ALS191 is characterized for operation from 0
°C to 70°C.
FUNCTION TABLE
(each driver)
INPUTS
OUTPUTS
A
Y
Z
H
H
L
L
L
H
H = high level,
L = low level,
Z = high impedance
logic symbol
2A
1A
3
2
2Z
2Y
1Z
1Y
5
6
7
8
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
logic diagram (positive logic)
8
7
1Y
1Z
2
1A
6
5
2Y
2Z
3
2A
Copyright
© 1995, Texas Instruments Incorporated
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.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
1
2
3
4
8
7
6
5
VCC
1A
2A
GND
1Y
1Z
2Y
2Z
D OR P PACKAGE
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