SA545
SA545 is PULSE/DTMF SWITCHABLE DIALLERS WITH 10 REPERTORY MEMORIES manufactured by Sames.
SA545 sames
Features s
SA545, SA54L5
PULSE/DTMF SWITCHABLE DIALLERS WITH 10 REPERTORY MEMORIES
Selectable Loop-disconnect (Pulse) or DTMF (Tone) dialling modes 10 x 24 Digit Repertory Dialling Stores 24 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 s s s s
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 SA54X53
- 5µA @ 2.5V SA54X56
- 1µA @ 2.5V SA54X59
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