• Part: PCA9535
  • Description: Remote 16-BIT I2C and SMBus Low-Power I/O Expander
  • Manufacturer: Texas Instruments
  • Size: 3.15 MB
PCA9535 Datasheet (PDF) Download
Texas Instruments
PCA9535

Overview

This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)].

  • 1 Low Standby-Current Consumption of 1 μA Max
  • I2C to Parallel Port Expander
  • Open-Drain Active-Low Interrupt Output
  • 5-V Tolerant I/O Ports
  • Compatible With Most Microcontrollers
  • 400-kHz Fast I2C Bus
  • Address by Three Hardware Address Pins for Use of up to Eight Devices
  • Polarity Inversion Register
  • Latched Outputs With High-Current Drive Capability for Directly Driving LEDs
  • Latch-Up Performance Exceeds 100 mA Per