GENERAL DESCRIPTION
The W91310 series are monolithic ICs that provide the necessary signals for either pulse or tone
dialing. The W91310 series 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 ´4 keyboard
· Easy operation with redial, flash, pause, and P®T keypads
· Flash, pause, P®T (pulse-to-tone) can be stored as a digit in memory
· Minimum tone output duration: 100 mS
· Minimum intertone pause: 100 mS
· On-chip power-on reset
· Uses 3.579545 MHz crystal or ceramic resonator
· Packaged in 18-pin plastic DIP