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PCF8575 Datasheet Remote16-bit I2c And Smbus I/o Expander

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & munity PCF8575 SCPS121H – JANUARY 2005 – REVISED FEBRUARY 2020 PCF8575 Remote16-BIT I2C AND SMBus I/O Expander with Interrupt Output.

General Description

This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 5.5-V VCC operation.

The PCF8575 device provides general-purpose remote I/O expansion for most microcontroller families by way of the I2C interface [serial clock (SCL), serial data (SDA)].

The device

Key Features

  • 1 I2C to Parallel-Port Expander.
  • Open-Drain Interrupt Output.
  • Low Standby-Current Consumption of 10 μA Max.
  • Compatible With Most Microcontrollers.
  • 400-kHz Fast I2C Bus.
  • Address by Three Hardware Address Pins for Use of up to Eight Devices.
  • Latched Outputs With High-Current Drive Capability for Directly Driving LEDs.
  • Current Source to VCC for Actively Driving a High at the Output.
  • Latch-Up Performance Exceeds 100 mA.

PCF8575 Distributor