Datasheet4U Logo Datasheet4U.com

TCA9539 Datasheet Low Voltage 16-bit I2c And Smbus Low-power I/o Expander

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & munity TCA9539 SCPS202C – OCTOBER 2009 – REVISED MAY 2016 TCA9539 Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander with Interrupt Output,.

General Description

The TCA9539 is a 24-pin device that provides 16 bits of general purpose parallel input and output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus protocol).

The device can operate with a power supply voltage (VCC) range from 1.65 V to 5.5 V.

The device supports 100-kHz (I2C Standard mode) and 400-kHz (I2C Fast mode) clock frequencies.

Key Features

  • 1 I2C to Parallel Port Expander.
  • Low Standby-Current Consumption.
  • Open-Drain Active-Low Interrupt Output.
  • Active-Low Reset Input.
  • 5-V Tolerant I/O Ports.
  • Compatible With Most Microcontrollers.
  • 400-kHz Fast I2C Bus.
  • Input and Output Configuration Register.
  • Polarity Inversion Register.
  • Internal Power-on Reset.
  • No Glitch on Power Up.
  • Noise Filter on SCL and SDA Inputs.
  • Address by Two.

More Datasheets from Texas Instruments

Part Number Description
TCA9539-Q1 Low Voltage 16-Bit I2C and SMBUS Low-Power I/O Expander
TCA9534 Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander
TCA9534A Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander
TCA9535 Low Voltage 16-Bit I2C and SMBUS Low-Power I/O Expander
TCA9538 Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander
TCA9509 Level-Translating I2C and SMBUS Bus Repeater
TCA9511A Hot Swappable I2C Bus and SMBus Buffer
TCA9517 Level-Shifting I2C Bus Repeater
TCA9517A Level-Shifting I2C Bus Repeater
TCA9543A Low Voltage 2-Channel I2C Bus Switch

TCA9539 Distributor