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SA541 - PULSE/DTMF SWITCHABLE DIALLERS

Datasheet Summary

Description

The SA54X1 is pin compatible with SAMES' SA54X5 family of diallers.

Features

  • s SA541, SA54L1 PULSE/DTMF.

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Datasheet preview – SA541

Datasheet Details

Part number SA541
Manufacturer Sames
File Size 276.99 KB
Description PULSE/DTMF SWITCHABLE DIALLERS
Datasheet download datasheet SA541 Datasheet
Additional preview pages of the SA541 datasheet.

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Full PDF Text Transcription

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sames FEATURES s SA541, SA54L1 PULSE/DTMF SWITCHABLE DIALLERS Selectable Loop-Disconnect (Pulse) or DTMF (Tone) dialling modes 32 Digit Last Number Redial (LNR) Selectable Interdigit Pause (IDP) 500ms or 800ms Operates with inexpensive single contact keypad On-chip Darlington transistor pair for DTMF tone filtering Low power CMOS technology enables direct operation from Telephone line Optional use of external capacitor for oscillator s s Keypad switchable Loop-Disconnect to DTMF during a call Selectable Break:Make Ratios 2:1 or 3:2 Uses inexpensive 560KHz ceramic resonator Earth Loop Recall and Timed Break Recall (Timed Flash) Low on-hook Supply Current options SA5413 - 5µA @ 2.5V SA5416 - 1µA @ 2.5V SA5419 - 1µA @ 3.
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