IS31IO7326 Datasheet - ISSI

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

IS31IO7326_ISSI.pdf