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TCA8418E - I2C Controlled Keypad Scanner

Texas Instruments

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Datasheet Details

Part number	TCA8418E
Manufacturer	Texas Instruments
File Size	820.97 KB
Description	I2C Controlled Keypad Scanner
Datasheet	TCA8418E-etcTI.pdf

TCA8418E 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 |