W91813AN

W91810N SERIES 23-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS GENERAL DESCRIPTION The W91810N is a series of tone/pulse switchable telephone dialers with 23 memory, keytone, hold, lock, mute, volume control and handfree dialing control features. These chips are fabricated using Winbond's high-performance CMOS technology and thus offer good performance in low-voltage, lowpower operations. FEATURES Tone/pulse switchable dialer Two by 32 digits redial and save memory Three by 32 digits one-touch direct repertory memory Twenty by 32 digits one-touch direct or two-touch indirect repertory memory Pulse-to-tone (*/T) keypad for long distance call operation Chain dialing Uses 6 × 6 or 7 × 7 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 or 20 ppS by mask option Minimum tone output duration: 93 mS Minimum intertone pause: ...