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SN75ALS1177 - Dual Differential Drivers and Receivers

General Description

The SN75ALS1177 and SN75ALS1178 dual differential drivers and receivers are integrated circuits designed for bidirectional data communication on multipoint bus transmission lines.

The devices are designed for balanced transmission lines, and meet standards TIA/EIA-422-B and TIA/EIA-485-A.

Key Features

  • Meet or exceed standards TIA/EIA-422-B and TIA/EIA-485-A.
  • Designed for multipoint bus transmission on long bus lines in noisy environments.
  • Low supply-current requirement 50mA maximum.
  • Driver positive-and negative-current limiting.
  • Driver common-mode output voltage range of.
  • 7V to 12V.
  • Thermal shutdown protection driver 3-state outputs active-high enable.
  • Receiver common-mode input voltage range of.
  • 12V to 12V.

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Other Datasheets by Texas Instruments

Part Number Description
SN75ALS1178 Dual Differential Drivers and Receivers
SN75ALS121 Dual Line Driver
SN75ALS123 Dual Line Driver
SN75ALS125 7-Channel Line Receivers
SN75ALS126 Quadruple Line Driver
SN75ALS127 7-Channel Line Receivers
SN75ALS130 QUADRUPLE LINE DRIVER
SN75ALS160 OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS
SN75ALS161 OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS
SN75ALS162 OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVER

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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SN75ALS1177, SN75ALS1178 SLLS154C – MARCH 1993 – REVISED FEBRUARY 2024 SN75ALS1177, SN75ALS1178 Dual Differential Drivers and Receivers 1 Features • Meet or exceed standards TIA/EIA-422-B and TIA/EIA-485-A • Designed for multipoint bus transmission on long bus lines in noisy environments • Low supply-current requirement 50mA maximum • Driver positive-and negative-current limiting • Driver common-mode output voltage range of –7V to 12V • Thermal shutdown protection driver 3-state outputs active-high enable • Receiver common-mode input voltage range of –12V to 12V • Receiver input sensitivity: ±200mV • Receiver hysteresis: 50mV typical • Receiver high input impedance: 12kΩ minimum • Receiver 3-state outputs active-low enable for SN75ALS1177 only • Operate from single 5V supply 2 Application