TONE/PULSE DIALER
W91520N SERIES TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTIONS GENERAL DESCRIPTION The W91520N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing. The W91520N series provide one-key redial, handfree dialing, hold, save, and redial functions. FEATURES • DTMF/pulse switchable dialer • Two by 32-digit redial and save ...
Winbond