SA541 Datasheet - Sames

SA541 PULSE/DTMF SWITCHABLE DIALLERS

The SA54X1 is pin compatible with SAMES' SA54X5 family of diallers. Ordering Information SA54X1X Lock Option L: with (22 pin package) Blank: without (20 pin package) On-Hook Current Option 3 5µA @ 2.5V 6 1µA @ 2.5V 9 1µA @ 3V 4 1µA @ 3V (and TBR Period = 300 mSec) 4/16 sames SA541 Block Dia.

SA541 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 filter

SA541_Sames.pdf