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TCA6408A Datasheet Low-voltage 8-bit I2c And Smbus I/o Expander

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TCA6408A SCPS192D – APRIL 2009 – REVISED JULY 2015 TCA6408A Low-Voltage 8-Bit I2C and SMBus I/O Expander With.

General Description

The TCA6408A is a 16-pin device that provides 8-bits of general purpose parallel input/output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol.

This device can operate with a power supply voltage ranging from 1.65 V to 5.5 V on both the I2C bus side (VCCI) and on the P-port side (VCCP).

This allows the TCA6408A to interface with next-generation microprocessors and microcontrollers on the SDA/SCL side, where supply levels are dropping down to conser

Key Features

  • 1 I2C to Parallel Port Expander.
  • Operating Power-Supply Voltage Range of 1.65 V to 5.5 V.
  • Allows Bidirectional Voltage-Level Translation and GPIO Expansion Between 1.8-V, 2.5-V, 3.3-V, and 5-V I2C Bus and P-Ports.
  • Low Standby Current Consumption of 1 μA.
  • 5-V Tolerant I/O Ports.
  • 400-kHz Fast I2C Bus.
  • Hardware Address Pin Allows Two TCA6408A Devices on the Same I2C/SMBus Bus.
  • Active-Low Reset (RESET) Input.
  • Open-Drain.

TCA6408A Distributor

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