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National Semiconductor Electronic Components Datasheet

DS1489 Datasheet

Quad Line Driver

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July 2002
DS1489/DS1489A
Quad Line Receiver
General Description
The DS1489/DS1489A are quad line receivers designed to
interface data terminal equipment with data communications
equipment. They are constructed on a single monolithic
silicon chip. These devices satisfy the specifications of EIA
Standard RS-232D. The DS1489/DS1489A meet and ex-
ceed the specifications of MC1489/MC1489A and are
pin-for-pin replacements.
Features
n Four separate receivers per package
n Programmable threshold
n Built-in input threshold hysteresis
n “Fail safe” operating mode: high output for open inputs
n Inputs withstand ±30V
Schematic and Connection Diagrams
www.DataSheet4U.com
(14 of unit shown)
DS1489: RF = 10k
DS1489A: RF = 2k
00577701
Dual-In-Line or Small-Out Line Package
00577702
Top View
Order Number DS1489M, DS1489MX, DS1489N, DS1489AM, DS1489AMX or DS1489AN
See NS Package Number M14A or N14A
© 2002 National Semiconductor Corporation DS005777
www.national.com


National Semiconductor Electronic Components Datasheet

DS1489 Datasheet

Quad Line Driver

No Preview Available !

AC Test Circuit and Voltage Waveforms
www.DataSheet4U.com
00577703
FIGURE 1.
00577704
www.national.com
2


Part Number DS1489
Description Quad Line Driver
Maker National Semiconductor
Total Page 7 Pages
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