HT9245DL Holtek, HT9245DL Datasheet

HT9245DL

Manufacturer Part Number

HT9245DL

Description

Manufacturer

Holtek

Datasheet

1.HT9245DL.pdf (27 pages)

Specifications of HT9245DL

Case

DIP

Date_code

1998

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

HT9245DL

Manufacturer:

HOLTEK

Quantity:

7 008

Current page: 1 of 27
Download datasheet (3Mb)

Features

General Description

The HT9245 series tone/pulse dialers are CMOS

LSIs for telecommunication systems.

The HT9245 series are offered in various pack-

ages from 22-pin DIP to 28-pin DIP. The 22-pin

DIP version is suitable for low cost applications,

while the 28-pin DIP version supplies versatile

functions such as: Hold-line, Hand-free, IDD

Selection Table

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

Patent Number: 86474, 113235(R.O.C.), 5424740(U.S.A.)

15-Memory Tone/Pulse Dialer

HT9245A/B/AL/BL/CL/DL

lock and LCD dialing number display interface,

all of which are suitable for feature phone appli-

cations.

The HT9245 provides SA, Redial, 3 one-touch and

10 two-touch memory dials for speed dialing in

either pulse or tone mode.

5 5 keyboard matrix

Make/Break ratio control

3.58MHz crystal or ceramic resonator

Hand-free control

Hold-line control

Pause, P T can be saved for redialing

Memory number: 15 memories

Keytone function

Lock function

CD key

3rd Dec ’97

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