HT9302 datasheet(1/27 Pages) HOLTEK

Part #	HT9302

Description	1-Memory/2-Memory Tone/Pulse Dialer

PDF	27 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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HT9302 Series

1-Memory/2-Memory Tone/Pulse Dialer

Selection Table

Function

Part No.

Lock Function

(Pin Selection)

Hold Line

Hand Free

LCD Interface

Package

HT9302x

(Normal version)

HT9302A

Ö

¾¾¾

18 DIP

HT9302B

ÖÖ

Ö

¾

22 SKDIP

HT9302C

Ö¾

¾

Ö

20 DIP

HT9302D

Ö

ÖÖÖ

24 SKDIP

HT9302G

(Simple version)

HT9302G

¾

¾¾¾

16 DIP

Rev. 1.20

1

September 30, 2002

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

· Pause and P®T key for PBX

· 4´4 keyboard matrix

· 3.58MHz crystal or ceramic resonator

· Hand-free control

· Hold-line control

· Pause, P®T can be saved for redialing

· Lock function

· Resistor options

- M/B ratio

- Flash function and flash time

- Pause and P®T duration

- Pulse number

· HT9302A: 18-pin DIP package

HT9302B: 22-pin SKDIP package

HT9302C: 20-pin DIP package

HT9302D: 24-pin SKDIP package

HT9302G: 16-pin DIP package

General Description

The HT9302 series tone/pulse dialers are CMOS LSIs

for telecommunication systems. They are designed to

meet various dialing specifications through resistor op-

tion matrix.

The HT9302 series provide the pin-selected lock func-

tion, Hold-line, Hand-free and LCD dialing number

display interface, all of which are suitable for feature

phone applications. HT9302G is simpler than HT9302X

version. It provides only a redialing memory for simple

low-cost system applications.

Patent Number: 64097, 86474, 64529, 113235 (R.O.C.)

5424740 (U.S.A.)

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