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DM8820A Datasheet dual line receiver

Manufacturer: National Semiconductor (now Texas Instruments)

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General Description

The DM7820A and the DM8820A are improved performance digital line receivers with two completely Independent units fabncated on a single silicon chip.

Intended for use with digital systems connected by twisted pair lines, they have a differential Input designed to reject large common mode signals while responding to small differential SIgnals.

The output is directly compatible with RTL, DTL or TTL integrated circuits.

Overview

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Key Features

  • include:.
  • Operation from a single +5V logic supply.
  • Input voltage range of ±'5V.
  • Strobe low forces output to "," state.
  • High input resjstance.
  • Fanout of ten with either DTL or TTL integrated circuits.
  • Outputs can be wire OR'ed.
  • Series 54174 compatible The response time can be controlled with an ex.
  • ternal capacitor to reject Input noise spikes. The output state is a logic "," for both inpu.

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