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PCA9654E Description

PCA9654E, PCA9654EA 8-bit I/O Expander for I2C Bus and SMBus with Interrupt The PCA9654E/PCA9654EA provides 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C−bus/SMBus applications. The PCA9654E/PCA9654EA consists of 8−bit Configuration (Input or Output selection), Input, Output and Polarity Inversion (active HIGH or active LOW operation) registers. The system master may set the I/Os as either...

PCA9654E Key Features

  • VDD Operating Range: 1.65 V to 5.5 V
  • SDA Sink Capability: 30 mA
  • 5.5 V Tolerant I/Os
  • Polarity Inversion Register
  • Active LOW Interrupt Output
  • Low Standby Current
  • Noise Filter on SCL/SDA Inputs
  • No Glitch on Power-up
  • Internal Power-on Reset
  • 64 Programmable Slave Addresses Using 3 Address Pins

PCA9654E Applications

  • VDD Operating Range: 1.65 V to 5.5 V