HT9302B Datasheet (Holtek Semiconductor Inc) - 1-Memory/2-Memory Tone/Pulse Dialer

HT9302B, 1-Memory/2-Memory Tone/Pulse Dialer

The HT9302 series tone/pulse dialers are CMOS LSIs for telecommunication systems.

They are designed to meet various dialing specifications through resistor option matrix.

The HT9302 series provide the pin-selected lock function, Hold-line, Hand-free and LCD dialing number display interface, all of w

HT9302B Features

* Universal specification

* Operating voltage: 2.0V~5.5V

* Low standby current

* Low memory retention current: 0.1mA (typ.)

* Tone/pulse switchable

* Interface with LCD driver

* 32 digits for redialing

* 32 digits for SA memory dialing

* One-key redialing

* Pa