Datasheet > SA54L5

SA54L5

更新时间： 2022-11-27 14:54:05

品牌	Logo	应用领域
SAMES		脉冲
页数	文件大小	规格书
18页	332K
描述
PULSE/DTMF SWITCHABLE DIALLERS WITH 10 REPERTORY MEMORIES

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数据手册

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SA54L5 数据手册

SA545

sa mes

SA545, SA54L5

PULSE/DTMF SWITCHABLE DIALLERS WITH 10 REPERTORY

MEMORIES

FEATURES

■

Selectable Loop-disconnect (Pulse) or

DTMF (Tone) dialling modes

■

Selectable Break:Make Ratios 2:1 or

3:2

■

10 x 24 Digit Repertory Dialling Stores

24 Digit Last Number Redial (LNR)

Uses inexpensive 560KHz ceramic

resonator

Earth Loop Recall and Timed Break

Recall (Timed Flash)

Selectable Interdigit Pause (IDP)

500ms or 800ms

Low on-hook Supply Current Options

SA54X53 - 5µA @ 2.5V

SA54X56 - 1µA @ 2.5V

■

Operates with inexpensive single

contact keypad

On-chip Darlington transistor pair for

DTMF tone filtering

SA54X59 - 1µA @ 3.0V

■

Call, barring/locking feature available

on the SA54L5

Low power CMOS technology enables

direct operation from Telephone line

Optional use of external capacitor for

oscillator

KeypadswitchableLoop-Disconnect to

DTMF during a call

PIN CONNECTIONS:

SA545

PIN CONNECTIONS:

SA54L5

1/18

31-08-94

sa mes

M63-1961

PDS039-SA545-001

REV. B

12 3 4 5 6 7...18

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