GENERAL DESCRIPTION

The W91410 series are monolithic ICs that provide the necessary signals for either pulse or tone dialing. The W91410 series feature a redial and save memory.

FEATURES

• DTMF/Pulse switchable dialer

• Two by 32 digits for redial and save 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