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TCA8424 - Low-Voltage 8x16 Keyboard Scanner

Texas Instruments

The TCA8424 by Texas Instruments is a Low-Voltage 8x16 Keyboard Scanner. Below is the official datasheet preview.

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TCA8424 Low-Voltage 8x16 Keyboard Scanner by Texas Instruments - Datasheet Preview — Official preview page of the TCA8424 Low-Voltage 8x16 Keyboard Scanner datasheet (Texas Instruments).

Datasheet Details

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

TCA8424 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 |