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ST3222B - RS-232 drivers/receivers

General Description

The ST3222 is a 3 V powered EIA/TIA-232 and V.28/V.24 communications interface with low power requirements and high data-rate capabilities.

ST3222 has a proprietary low dropout transmitter output stage providing true RS-232 performance from 3 to 3.6 V power supplies.

Key Features

  • 300 µA supply current.
  • 250 kbps minimum guarantee data rate.
  • 6 V/µs minimum guarantee slew rate.
  • Meet EIA/TIA-232 specification down to 3 V.

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Other Datasheets by STMicroelectronics

Part Number Description
ST3222C RS-232 drivers/receivers
ST3222EB RS-232 drivers/receivers
ST3222EC RS-232 drivers/receivers
ST3232B RS-232 drivers and receivers
ST3232C RS-232 drivers and receivers

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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ST3222B ST3222C 3 to 3.6 V, low power, up to 400 kbps RS-232 drivers and receivers Features ■ 300 µA supply current ■ 250 kbps minimum guarantee data rate ■ 6 V/µs minimum guarantee slew rate ■ Meet EIA/TIA-232 specification down to 3 V Description The ST3222 is a 3 V powered EIA/TIA-232 and V.28/V.24 communications interface with low power requirements and high data-rate capabilities. ST3222 has a proprietary low dropout transmitter output stage providing true RS-232 performance from 3 to 3.6 V power supplies. The device requires only four small 0.1 mF standard external capacitors for operating from 3 V supply. The ST3222 has two receivers and two drivers. The ST3222 features a 1 mA shutdown mode that reduces power consumption and extends battery life in portable systems.