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TCA8424 - Low-Voltage 8x16 Keyboard Scanner

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Texas Instruments

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TCA8424 Low-Voltage 8x16 Keyboard Scanner by Texas Instruments - Datasheet Preview — Datasheet preview – TCA8424

Datasheet Details

Part number	TCA8424
Manufacturer	Texas Instruments
File Size	1.43 MB
Description	Low-Voltage 8x16 Keyboard Scanner
Datasheet	TCA8424 Datasheet
Additional preview pages of the TCA8424 datasheet.

Product details

Description

This 128 key scan device is specifically targeted towards end equipment that runs on Windows 8 operating system.

Features

1.
Operating Power-Supply Voltage Range of 1.65V to 3.6V.
Supports FM+ I2C Operation up to 1MHz.
Can Support up to 128 (8x16) Key Scan.
Internal Power-On-Reset.
Open Drain Open Drain Active Low INT Output.
Noise Filter on SCL/SDA and Inputs.
Open Drain Outputs Can Sink up to 12mA Current for LED.
Hardware Coded HID and REPORT Descriptors.
Available With Preprogrammed Keyboard Map.
Software Reset per HID Ove.

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Published: Mar 8, 2025 |