DS9638QML Datasheet, PDF (2/10 Pages) Texas Instruments – RS-422 Dual High Speed Differential Line Driver

May 27, 2008
DS9638QML
RS-422 Dual High Speed Differential Line Driver
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 dif-
ferential drive to twisted pair or parallel wire transmission
lines. The inputs are TTL compatible. The outputs are similar
to totem pole TTL outputs, with active pull-up and pull-down.
The device features a short circuit protected active pull-up
with low output impedance and is specified to drive 50Ω trans-
mission lines at high speed. The mini-DIP provides high pack-
age 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}
■ ^{“Glitchless” differential output}
■ ^{Delay time stable with V}_CC ^{and temperature variations}
(<2.0 ns typical) (Figure 3)
■ ^{Extended temperature range}
Ordering Table
NS PART NUMBER
DS9638J/883
SMD PART NUMBER
5962–8754601PA
NS PACKAGE NUMBER PACKAGE DISCRIPTION
J08A
8LD CERAMIC DIP
Connection Diagram
8-Lead DIP
Top View
30059001
See NS Package Number J08A
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