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PCA9534 - 8-bit I2C and SMBus/ low power I/O port

General Description

The PCA9534 is a16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C/SMBus applications and was developed to enhance the Philips family of I2C I/O expanders.

Key Features

  • 8-bit I2C GPIO.
  • Operating power supply voltage range of 2.3 V to 5.5 V.
  • 5 V tolerant I/Os.
  • Polarity inversion register.
  • Active low interrupt output.
  • Low stand-by current.
  • Noise filter on SCL/SDA inputs.
  • No glitch on power-up.
  • Internal power-on reset.
  • 8 I/O pins which default to 8 inputs.
  • 0 kHz to 400 kHz clock frequency.
  • ESD protection exceeds 2000 V HBM per JESD22-A114,.
  • Latch-.

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Other Datasheets by NXP Semiconductors

Part Number Description
PCA9531 8-bit I2C LED dimmer
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PCA9535 16-bit SMBus
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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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INTEGRATED CIRCUITS PCA9534 8-bit I2C and SMBus, low power I/O port with interrupt Product data sheet Supersedes data of 2003 Dec 02 2004 Sep 30 Philips Semiconductors Philips Semiconductors Product data sheet 8-bit I2C and SMBus low power I/O port with interrupt PCA9534 DESCRIPTION The PCA9534 is a16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C/SMBus applications and was developed to enhance the Philips family of I2C I/O expanders. The improvements include higher drive capability, 5V I/O tolerance, lower supply current, individual I/O configuration, 400 kHz clock frequency, and smaller packaging.