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DS1489 - Quad Line Driver

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.

Features

  • n n n n n Four separate receivers per package Programmable threshold Built-in input threshold hysteresis “Fail safe” operating mode: high output for open inputs Inputs withstand ± 30V Schematic and Connection Diagrams www. DataSheet4U. com 00577701 (1⁄4 of unit shown) DS1489: RF = 10k DS1489A: RF = 2k 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 Semiconduct.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DS1489/DS1489A Quad Line Receiver 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 exceed the specifications of MC1489/MC1489A and are pin-for-pin replacements. Features n n n n n Four separate receivers per package Programmable threshold Built-in input threshold hysteresis “Fail safe” operating mode: high output for open inputs Inputs withstand ± 30V Schematic and Connection Diagrams www.DataSheet4U.
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