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TCA8418 - I2C Controlled Keypad Scanner

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Texas Instruments

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TCA8418 I2C Controlled Keypad Scanner by Texas Instruments - Datasheet Preview — Datasheet preview – TCA8418

Datasheet Details

Part number	TCA8418
Manufacturer	Texas Instruments
File Size	1.51 MB
Description	I2C Controlled Keypad Scanner
Datasheet	TCA8418 Datasheet
Additional preview pages of the TCA8418 datasheet.

Product details

Description

The TCA8418 is a keypad scan device with integrated ESD protection.

Features

1 Operating Power-Supply Voltage Range of 1.65-V to 3.6-V.
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.
Schmitt-Trigger Action Allows Slow Input Transition a.

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Published: Mar 8, 2025 |