6-MEMORY TONE/PULSE DIALER
W91472N SERIES
6-MEMORY TONE/PULSE DIALER WITH SAVE AND HANDFREE FUNCTIONS
GENERAL DESCRIPTION
The W91472N series are ...
Description
W91472N SERIES
6-MEMORY TONE/PULSE DIALER WITH SAVE AND HANDFREE FUNCTIONS
GENERAL DESCRIPTION
The W91472N series are tone/pulse switchable telephone dialers with five memories, save memory, and handfree dialing control. These chips are fabricated using Winbond's high-performance CMOS technology and thus offer good performance in low-voltage and low-power operations.
FEATURES
DTMF/pulse switchable dialer Two by 32 digit redial and save memory Five by 16 digit one-touch direct repertory memory Pulse-to-tone (*/T) keypad for long distance call operation Cascaded dialing
Uses 5 × 6 keyboard Easy operation with redial, flash, pause, and */T keypads
Pause, P→T (pulse-to-tone) can be stored as a digit in memory Dialing rate (10 ppS or 20 ppS) selectable by bonding option On-hook debounce time: 150 mS Minimum tone output duration: 93 mS Minimum intertone pause: 93 mS Pause time: 3.6 sec. Flash break time (73 mS, 100 mS, 300 mS, ...
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