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SN75ALS191
  • SN75ALS191
  • SN75ALS191
  • SN75ALS191
  • SN75ALS191
  • SN75ALS191
  • SN75ALS191

SN75ALS191

ACTIVE

Dual Differential Line Driver

Texas Instruments SN75ALS191 Product Info

1 April 2026 4

Parameters

Number of receivers

0

Number of transmitters

2

Supply voltage (nom) (V)

5

Signaling rate (max) (Mbps)

20

IEC 61000-4-2 contact (±V)

None

Fault protection (V)

-12 to 12

Common-mode range (V)

0.8 to 2

Number of nodes

32

Isolated

No

Supply current (max) (µA)

40000

Rating

Catalog

Operating temperature range (°C)

0 to 70

Package

PDIP (P)-8-92.5083 mm² 9.81 x 9.43

Features

  • Meets or exceeds the requirements of ANSI standard EIA/TIA-422-B and ITU recommendation V.11
  • Designed to operate at 20 Mbaud or higher
  • TTL-and CMOS-input compatibility
  • Single 5V supply operation
  • Output short-circuit protection
  • Improved replacement for the µA9638
  • Meets or exceeds the requirements of ANSI standard EIA/TIA-422-B and ITU recommendation V.11
  • Designed to operate at 20 Mbaud or higher
  • TTL-and CMOS-input compatibility
  • Single 5V supply operation
  • Output short-circuit protection
  • 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 5V power supply and is supplied in eight-pin packages.

The SN75ALS191 is characterized for operation from 0°C to 70°C.

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