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SA541 Datasheet(PDF) 1 Page - Sames |
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SA541 Datasheet(HTML) 1 Page - Sames |
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1 / 16 page  sames SA541, SA54L1 FEATURES s Selectable Loop-Disconnect (Pulse) or DTMF (Tone) dialling modes s 32 Digit Last Number Redial (LNR) s Selectable Interdigit Pause (IDP) 500ms or 800ms s Operates with inexpensive single con- tact keypad s On-chip Darlington transistor pair for DTMF tone filtering s Low power CMOS technology enables direct operation from Telephone line s Optional use of external capacitor for oscillator PULSE/DTMF SWITCHABLE DIALLERS s Keypad switchable Loop-Disconnect to DTMF during a call s Selectable Break:Make Ratios 2:1 or 3:2 s Uses inexpensive 560KHz ceramic resonator s Earth Loop Recall and Timed Break Recall (Timed Flash) s Low on-hook Supply Current options SA5413 - 5µA @ 2.5V SA5416 - 1µA @ 2.5V SA5419 - 1µA @ 3.0V s 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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