IS31IO7326 - DEBOUNCED 8 X 8 KEY-SCAN CONTROLLER
The IS31IO7326 is a 64 key, key-scan controller.
It offloads the burden of keyboard scanning from the host processor.
The IS31IO7326 supports keypad matrix of up to 8×8.
Key press and release events are encoded into a byte format and loaded into a key event register for retrieval by the host process
IS31IO7326 Features
* 2.4V to 5.5V operation 400kHz I2C serial interface Available for multi-key press detect Low 0.3μA (typ.) standby current Operate in -40°C to +125°C Pb-free 4mm × 4mm QFN-24 package APPLICATIONS
* Keypad of QWERTY type phones PDAs, games, and other handh
