W91472N Datasheet | Winbond

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 pp S or 20 pp S) selectable by bonding option - On-hook debounce time: 150 m S - Minimum tone output duration: 93 m S - Minimum intertone pause: 93 m S - Pause time: 3.6 sec. - Flash break time (73 m S, 100 m S, 300 m...