HT9302F Holtek, HT9302F Datasheet

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HT9302F

Manufacturer Part Number

HT9302F

Description

Manufacturer

Holtek

Datasheet

1.HT9302F.pdf (33 pages)

Specifications of HT9302F

Case

DIP

Current page: 1 of 33
Download datasheet (4Mb)

Features

General Description

The HT9302 series tone/pulse dialers are CMOS

LSIs for telecommunication systems. They are

designed to meet various dialing specifications

through resistor option matrix.

The HT9302 series are offered in four differ-

ent versions. They are HT9302X normal ver-

s i o n ,

HT9302XT keytone version and HT9302XLT

keytone/lock function version. The HT9302X

normal version provides the pin-selected lock

function; the HT9302XT version provides the

Universal specification

Operating voltage: 2.0V~5.5V

Low standby current

Low memory retention current: 0.1 A (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

HT 9 3 0 2 F /G /H

s i m p l e

1-Memory/2-Memory Tone/Pulse Dialer

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

vers io n,

5424740 (U.S.A.)

1

keytone function; the HT9302XLT version pro-

vides both the keytone function and keyboard-

operated IDD lock function. All of the above

three versions also supply the following func-

tions: Hold-line, Hand-free and LCD dialing

number display interface, all of which are suit-

able for feature phone applications. However,

the HT9302F/G/H version is simpler than the

other three versions. It provides only a redial-

ing memory for simple low-cost system appli-

cations.

Hand-free control

Hold-line control

Pause, P T can be saved for redialing

Lock function

Keytone function

Resistor options:

–

–

–

–

–

M/B ratio

Flash function and flash time

Pause and P T duration

Pulse number

Keyboard operated IDD lock function

HT9302 Series

3rd Dec ’97

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