W91416

W91410 SERIES TONE/PULSE DIALER WITH SAVE FUNCTION 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 The different dialers in the W91410 series are shown in the following table: TYPE NO. PULSE (ppS) FLASH (mS) FLASH PAUSE (mS) W91412/A W91414/A W91416 10/20 10/20 10/20 600/300 73/100 600 600/300 1...