W91321N

W91320N SERIES TONE/PULSE DIALER WITH HANDFREE LOCK AND HOLD FUNCTIONS GENERAL DESCRIPTION The W91320N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing. The W91320N series provide one-key redial, handfree dialing, hold, redial, and lock functions. FEATURES DTMF/pulse switchable dialer 32-digit redial memory Pulse-to-tone (*/T) keypad for long distance call operation Uses 5 × 5 keyboard Easy operation with redial, flash, pause, and */T keypads Pause, pulse-to-tone (*/T) can be stored as a digit in memory 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out Off-hook delay 300 mS in lock mode ( DP will keep low for 300 mS while off hook) First key-in delay 300 mS output in lock mode Dialing rate (10, 20 ppS ) selected by bonding option Minimum tone output duration: 93 msec. Minimum intertone pause: 93 msec. Flash break time (73, 100, 300, 600 msec.) selectable by key...