Datasheet4U Logo Datasheet4U.com

DS9638 Datasheet RS-422 Dual High Speed Differential Line Driver

Manufacturer: National Semiconductor (now Texas Instruments)

General Description

The DS9638 is a Schottky, TTL compatible, dual differential line driver designed specifically to meet the EIA Standard RS-422 specifications.

It is designed to provide unipolar differential drive to twisted pair or parallel wire transmission lines.

The inputs are TTL compatible.

Overview

DS9638 RS-422 Dual High Speed Differential Line Driver May 1998 DS9638 RS-422 Dual High Speed Differential Line.

Key Features

  • a short circuit protected active pull-up with low output impedance and is specified to drive 50Ω transmission lines at high speed. The mini-DIP provides high package density. Features Single 5V supply Schottky technology TTL and CMOS compatible inputs Output short circuit protection Input clamp diodes Complementary outputs Minimum output skew ( < 1.0 ns typical) 50 mA output drive capability for 50Ω transmission lines Meets EIA RS-422 specifications Propagation delay of less than 10 ns “Glitchl.