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DS8921AT - Differential Line Driver and Receiver Pair

Download the DS8921AT datasheet PDF. This datasheet also covers the DS8921A variant, as both devices belong to the same differential line driver and receiver pair family and are provided as variant models within a single manufacturer datasheet.

General Description

The DS8921, DS8921A are Differential Line Driver and Receiver pairs designed specifically for applications meeting the ST506, ST412 and ESDI Disk Drive Standards.

In addition, these devices meet the requirements of the EIA Standard RS-422.

Key Features

  • n 12 ns typical propagation delay n Output skew.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (DS8921A_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
DS8921A Differential Line Driver and Receiver Pair
DS8921 Differential Line Driver and Receiver Pair
DS8922 TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs
DS8922A RS-422 Dual Differential Line Driver and Receiver Pairs
DS8923A RS-422 Dual Differential Line Driver and Receiver Pairs
DS8925 LocalTalk Dual Driver/Triple Receiver
DS8907 Phase-Locked Loop Frequency Synthesizer
DS8911 Sound Up-Conversion Frequency Synthesizer
DS8913 Sound Up-Conversion Frequency Synthesizer
DS8935 LocalTalk Dual Driver/Triple Receiver

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.

View original datasheet text
DS8921/DS8921A/DS8921AT Differential Line Driver and Receiver Pair May 1998 DS8921/DS8921A/DS8921AT Differential Line Driver and Receiver Pair General Description The DS8921, DS8921A are Differential Line Driver and Receiver pairs designed specifically for applications meeting the ST506, ST412 and ESDI Disk Drive Standards. In addition, these devices meet the requirements of the EIA Standard RS-422. The DS8921, DS8921A receivers offer an input sensitivity of 200 mV over a ±7V common mode operating range. Hysteresis is incorporated (typically 70 mV) to improve noise margin for slowly changing input waveforms. The DS8921, DS8921A drivers are designed to provide unipolar differential drive to twisted pair or parallel wire transmission lines.