Winbond Electronics Corporation W91331N
The W91330N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing. They feature one-key redial, handfree dialing, key tone, redial, and lock functions.GENERAL DESCRIPTION
FEATURES
● DTMF/pulse switchable dialer● 32-digit redial memory
● Pulse-to-tone (*/T) keypad for long distance call operation
● Uses 5 × 4 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 low 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 keypa