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DS75176B - Multipoint RS-485/RS-422 Transceivers

Datasheet Summary

Description

The DS75176B is a high speed differential TRI-STATE ® bus/line transceiver designed to meet the requirements of EIA standard RS485 with extended common mode range (+12V to

7V), for multipoint data transmission.

In addition, it is compatible with RS-422.

Features

  • n Meets EIA standard RS485 for multipoint bus transmission and is compatible with RS-422. n Small Outline (SO) Package option available for minimum board space. n 22 ns driver propagation delays. n Single +5V supply. n.
  • 7V to +12V bus common mode range permits ± 7V ground difference between devices on the bus. n Thermal shutdown protection. n High impedance to bus with driver in TRI-STATE or with power off, over the entire common mode range allows the unused devices on the bus to be powe.

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Datasheet preview – DS75176B

Datasheet Details

Part number DS75176B
Manufacturer National Semiconductor
File Size 217.50 KB
Description Multipoint RS-485/RS-422 Transceivers
Datasheet download datasheet DS75176B Datasheet
Additional preview pages of the DS75176B datasheet.

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Full PDF Text Transcription

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DS75176B/DS75176BT Multipoint RS-485/RS-422 Transceivers July 1998 DS75176B/DS75176BT Multipoint RS-485/RS-422 Transceivers General Description The DS75176B is a high speed differential TRI-STATE ® bus/line transceiver designed to meet the requirements of EIA standard RS485 with extended common mode range (+12V to −7V), for multipoint data transmission. In addition, it is compatible with RS-422. The driver and receiver outputs feature TRI-STATE capability, for the driver outputs over the entire common mode range of +12V to −7V. Bus contention or fault situations that cause excessive power dissipation within the device are handled by a thermal shutdown circuit, which forces the driver outputs into the high impedance state.
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