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TI-DS9638QML.pdf
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TI-DS9638QML.pdf
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DS9638QML
www.ti.com
SNOSB15A –MAY 2008–REVISED APRIL 2013
DS9638QML RS-422 Dual High Speed Differential Line Driver
Check for Samples: DS9638QML
1
FEATURES
2
• Single 5V Supply
Variations (<2.0 ns typical) (Figure 4)
• Schottky Technology • Extended Temperature Range
• TTL and CMOS Compatible Inputs
DESCRIPTION
• Output Short Circuit Protection
The DS9638 is a Schottky, TTL compatible, dual
• Input Clamp Diodes
differential line driver designed specifically to meet
• Complementary Outputs
the EIA Standard RS-422 specifications. It is
designed to provide unipolar differential drive to
• Minimum Output Skew (<1.0 ns Typical)
twisted pair or parallel wire transmission lines. The
• 50 mA Output Drive Capability for 50Ω
inputs are TTL compatible. The outputs are similar to
Transmission Lines
totem pole TTL outputs, with active pull-up and pull-
• Meets EIA RS-422 Specifications
down. The device features a short circuit protected
active pull-up with low output impedance and is
• Propagation Delay of Less than 10 ns
specified to drive 50Ω transmission lines at high
• “Glitchless” Differential Output
speed. The mini-CDIP provides high package density.
• Delay Time Stable with V
CC
and Temperature
Connection Diagram
Figure 1. 8-Lead CDIP, Top View
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
1
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.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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