HT9315BL Datasheet (Holtek Semiconductor Inc)

HT9315BL, 15-Memory Tone/Pulse Dialer

The HT9315 series tone/pulse dialers are CMOS LSIs for telecommunication systems.

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

The HT9315 series are offered in two different versions.

They are HT9315x normal version and HT9315xL lock version, with keyboard

HT9315BL 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 the SA memory dialing

* One-key redialing