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HT9315 Datasheet

Part NameDescriptionManufacturer
HT9315 15-Memory Tone/Pulse Dialer Holtek
Holtek Semiconductor Holtek
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General Description
The HT9315 series tone/pulse dialers are CMOS LSIs for telecommunication systems. They are designed to meet various dialing specifications through resistor option matrix.

Features
 Universal specification
 Operating voltage: 2.0V~5.5V
 Low standby current
 Low memory retention current: 0.1A (Typ.)
 Tone/pulse switchable
 Interface with LCD driver
 32 digits for redialing
 32 digits for the SA memory dialing
 One-key redialing
 Pause and PT key for PBX
 45 keyboard matrix
 3.58MHz crystal or ceramic resonator
 Hand-free control

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