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UPD4722 - RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V

Datasheet Summary

Features

  • Conforms to EIA/TIA-232-E (former name, RS-232C) standards.
  • Selectable +3.3 V/+5 V single power supply (selected by VCHA pin).
  • By setting the standby pin to a low level (standby mode), circuit current can be reduced. At such times, the driver output is in a high-impedance state.
  • Even in the standby mode, 2 receiver circuits can operate as inverters without hysteresis width. The other 2 circuits are fixed at a high level.

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Datasheet preview – UPD4722

Datasheet Details

Part number UPD4722
Manufacturer NEC
File Size 132.56 KB
Description RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V
Datasheet download datasheet UPD4722 Datasheet
Additional preview pages of the UPD4722 datasheet.

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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD4722 RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V The µPD4722 is a high-breakdown voltage silicon gate CMOS line driver/receiver based on the EIA/TIA-232-E standard. The internal DC/DC converter can switch between multiple voltages, allowing it to operate with a single +3.3 V or +5 V power supply. It also provides standby function. This IC incorporates 4 driver circuits and 4 receiver circuits. An RS-232 interface circuit can be easily configured by connecting 5 capacitors externally. FEATURES • Conforms to EIA/TIA-232-E (former name, RS-232C) standards • Selectable +3.3 V/+5 V single power supply (selected by VCHA pin) • By setting the standby pin to a low level (standby mode), circuit current can be reduced.
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