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  Holtek Semiconductor Electronic Components Datasheet  

HT9205K Datasheet

5-Memory/6-Memory Tone/Pulse Dialer

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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 PT key for PBX
4×5 keyboard matrix
3.58MHz crystal or ceramic resonator
Hand-free control
Hold-line control
Pause, PT can be saved for redialing
Resistor options:
M/B ratio
Flash function and flash time
Pause and PT 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 of-
fered in various packages from 18 DIP to 24
SDIP. The 18 DIP version is suitable for low cost
applications, while the 24 SDIP version sup-
plies versatile functions such as: Hold-line,
Hand-free and LCD dialing number display in-
terface, all of which are suitable for feature
phone applications.
Selection Table
1 16th June ’95


  Holtek Semiconductor Electronic Components Datasheet  

HT9205K Datasheet

5-Memory/6-Memory Tone/Pulse Dialer

No Preview Available !

Package Information
HT9205A/B/C/D/K
2 16th June ’95


Part Number HT9205K
Description 5-Memory/6-Memory Tone/Pulse Dialer
Maker Holtek Semiconductor
Total Page 26 Pages
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5 HT9205K 5-Memory/6-Memory Tone/Pulse Dialer
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