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TCA8418

I2C Controlled Keypad Scanner

TCA8418 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 Byt

TCA8418 General Description

The TCA8418 is a keypad scan device with integrated ESD protection. It can operate from 1.65 V to 3.6 V and has 18 general purpose inputs/outputs (GPIO) that can be used to support up to 80 keys via the I2C interface. The key controller debounces inputs and maintains a 10 byte FIFO of key-press and .

TCA8418 Datasheet (1.51 MB)

Preview of TCA8418 PDF

Datasheet Details

Part number:

TCA8418

Manufacturer:

Texas Instruments ↗

File Size:

1.51 MB

Description:

I2c controlled keypad scanner.
Product Folder Order Now Technical Documents Tools & Software Support & Community TCA8418 SCPS215G

* SEPTEMBER 2009

* REVISED JUN.

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TAGS

TCA8418 I2C Controlled Keypad Scanner Texas Instruments

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