IS31IO7326 controller equivalent, debounced 8??8 key-scan controller.
* 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.
* Keypad of QWERTY type phones
* PDAs, games, and other handheld applications
TYPICAL APPLICATION CIRCUIT
VBat.
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 ke.
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