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HT9205D

Holtek Semiconductor
Part Number HT9205D
Manufacturer Holtek Semiconductor
Description 5-Memory/6-Memory Tone/Pulse Dialer
Published Oct 13, 2016
Detailed Description HT9205A/B/C/D/K 5-Memory/6-Memory Tone/Pulse Dialer Features • Universal specification • Operating voltage: 2.0V~5.5V •...
Datasheet PDF File HT9205D PDF File

HT9205D
HT9205D

Overview
HT9205A/B/C/D/K 5-Memory/6-Memory Tone/Pulse Dialer Features • Universal specification • Operating voltage: 2.
0V~5.
5V • Low stand-by current • Low memory retention current: 0.
1µA (Typ.
) • Tone/pulse switchable • Interface with LCD driver • 32 digits for redialing • 32 digits for the SA memory dialing • One-key redialing • Pause and P→T key for PBX • 4×5 keyboard matrix • 3.
58MHz crystal or ceramic resonator • Hand-free control • Hold-line control • Pause, P→T can be saved for redialing • Resistor options: – M/B ratio – Flash function and flash time – Pause and P→T duration – Pulse number – Keyboard form • Memory number: – HT9205A/B/C/D: 5 memories – HT9205K: 6 memories General Description The HT9205 series tone/pulse dialers are CMOS LSIs for the telecommunication system.
They are designed to meet various dialing specifications through resistor options matrix.
The HT9205 series tone/pulse dialers are offered in various packages from 18 DIP to 24 SDIP.
The 18 DIP version is suitable...


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