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TCA6418E - I2C CONTROLLED 18 CHANNEL GPIO EXPANDER

General Description

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)].

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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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TCA6418E www.ti.com I2C CONTROLLED 18 CHANNEL GPIO EXPANDER Check for Samples: TCA6418E 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 Time of 50 μs • Schmitt-Trigger Action Allows Slow Input Transition and Better Switching Noise Immunity at the SCL and SDA Inputs: Typical Vhys at 1.8 V is 0.18 V • Latch-Up Performance Exceeds 200 mA Per JESD 78, Class II • Very Small Package – WCSP (YFP): 2 mm × 2 mm; 0.