SA545 datasheet(1/18 Pages) SAMES

部件名	SA545

功能描述	PULSE/DTMF SWITCHABLE DIALLERS WITH 10 REPERTORY MEMORIES

PDF	18 Pages

Scroll/Zoom	100%

制造商	SAMES [Sames]

网页	http://www.sames.co.za

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SA545

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SA545, SA54L5

PULSE/DTMF SWITCHABLE DIALLERS WITH 10 REPERTORY

MEMORIES

FEATURES

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Selectable Loop-disconnect (Pulse) or

DTMF (Tone) dialling modes

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10 x 24 Digit Repertory Dialling Stores

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24 Digit Last Number Redial (LNR)

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Selectable Interdigit Pause (IDP)

500ms or 800ms

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Operates with inexpensive single

contact keypad

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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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Keypad switchable Loop-Disconnect to

DTMF during a call

PIN CONNECTIONS:

SA545

PIN CONNECTIONS:

SA54L5

M63-1961

PDS039-SA545-001

REV. B

31-08-94

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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

SA54X53 - 5µA @ 2.5V

SA54X56 - 1µA @ 2.5V

SA54X59 - 1µA @ 3.0V

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Call, barring/locking feature available

on the SA54L5

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Optional use of external capacitor for

oscillator

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类似说明 - SA545

制造商	部件名	数据表	功能描述
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OKI electronic componet...	MSM6052	851Kb / 21P	TONE/PULSE SWITCHABLE REPERTORY DIALER