SA541 datasheet(1/16 Pages) SAMES

部品番号	SA541

部品情報	PULSE/DTMF SWITCHABLE DIALLERS

PDF	16 Pages

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メーカー	SAMES [Sames]

ホームページ	http://www.sames.co.za

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1 / 16 page

sames

SA541, SA54L1

FEATURES

s

Selectable Loop-Disconnect (Pulse)

or DTMF (Tone) dialling modes

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32 Digit Last Number Redial (LNR)

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Selectable Interdigit Pause (IDP)

500ms or 800ms

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Operates with inexpensive single con-

tact keypad

s

On-chip Darlington transistor pair for

DTMF tone filtering

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Low power CMOS technology enables

direct operation from Telephone line

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Optional use of external capacitor for

oscillator

PULSE/DTMF SWITCHABLE DIALLERS

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Keypad switchable Loop-Disconnect to

DTMF during a call

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Selectable Break:Make Ratios 2:1 or

3:2

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Uses inexpensive 560KHz ceramic

resonator

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Earth Loop Recall and Timed Break

Recall (Timed Flash)

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Low on-hook Supply Current options

SA5413 - 5µA @ 2.5V

SA5416 - 1µA @ 2.5V

SA5419 - 1µA @ 3.0V

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Call, barring/locking feature available

on the SA54L1

PIN CONNECTIONS:

SA541

PIN CONNECTIONS:

SA54L1

M57-1529

PDS039-SA541-001

REV. B

02-09-94

1/16

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