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TCA6418E Datasheet I2c Controlled 18 Channel Gpio Expander

Manufacturer: Texas Instruments

Overview: TCA6418E .ti. I2C CONTROLLED 18 CHANNEL GPIO EXPANDER Check for Samples:.

General Description

/ORDERING INFORMATION The TCA6418E is a 18 channel GPIO expansion device with integrated ESD protection.

It can operate from 1.65 V to 3.6 V and has 18 general purpose inputs/outputs (GPIO) that can be used via the I2C interface [serial clock (SCL), serial data (SDA)].

The major benefit of this device is it frees up the processor from having to individually monitor changes in multiple inputs and also frees up the GPIOs on the processor to drive other outputs..

Key Features

  • 1.
  • Operating Power-Supply Voltage Range of 1.65 V to 3.6 V.
  • 18 GPIOs Configurable as Inputs or Outputs.
  • ESD Protection Exceeds JESD 22 on NonGPIO Pins.
  • 2000-V Human Body Model (A114-A).
  • 1000-V Charged Device Model (C101).
  • Low Standby (Idle) Current Consumption: 3 μA.
  • Supports 1-MHz Fast Mode Plus I2C Bus.
  • Open-Drain Active-Low Interrupt Output, Asserted When Key is Pressed or Key is Released.
  • Selectable Debounce Tim.

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TCA6418E Distributor