GENERAL DESCRIPTION
The W91312N are monolithic ICs that provide the necessary signals for either pulse or tone dialing.
The W91312 N feature a redial memory.
FEATURES
· DTMF/Pulse switchable dialer
· 32 digits for redial memory
· Pulse-to-tone (P®T) keypad for long distance call operation
· Break/Make ratio is selectable by pin option
· Uses 4 ´4keyboard
· Easy operation with redial, flash, pause, and P®T keypads
· Pause, P®T (pulse-to-tone) can be stored as a digit in memory
· Minimum tone output duration: 93 mS
· Minimum intertone pause: 93 mS
· On-chip power-on reset
· Uses 3.579545 MHz crystal or ceramic resonator
· Packaged in 18-pin plastic DIP