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TCA8418E

I2C Controlled Keypad Scanner

TCA8418E 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

TCA8418E General Description

The TCA8418E 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 TCA8418E saves power and bandwidths since it handles the keypad scanning algo.

TCA8418E Datasheet (820.97 KB)

Preview of TCA8418E PDF

Datasheet Details

Part number:

TCA8418E

Manufacturer:

Texas Instruments ↗

File Size:

820.97 KB

Description:

I2c controlled keypad scanner.
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TCA8418E SCPS222C

* MAY 2010

* REVISED OCTOB.

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TCA8418E I2C Controlled Keypad Scanner Texas Instruments

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