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TCA8418E - I2C Controlled Keypad Scanner

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Texas Instruments

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TCA8418E I2C Controlled Keypad Scanner by Texas Instruments - Datasheet Preview — Datasheet preview – TCA8418E

Datasheet Details

Part number	TCA8418E
Manufacturer	Texas Instruments
File Size	820.97 KB
Description	I2C Controlled Keypad Scanner
Datasheet	TCA8418E Datasheet
Additional preview pages of the TCA8418E datasheet.

Product details

Description

The TCA8418E is a keypad scan device with integrated ESD protection.

Features

1 Operating Power-Supply Voltage Range of 1.65-V to 3.6-V.
±15-kV Human Body Model High Voltage ESD (GPIO lines).
Supports 80 Buttons With Use of 18 GPIOs.
Supports QWERTY Keypad Operation Plus GPIO Expansion.
Low Standby (Idle) Current Consumption: 3 μA.
Supports 1-MHz Fast Mode Plus I2C Bus.
10-Byte FIFO to Store 10 Key Presses and Releases.
Open-Drain Active-Low Interrupt Output.
Integrated Debounce Time of 50 μs.

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Published: Mar 8, 2025 |