W91610

W91610 SERIES TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION GENERAL DESCRIPTION The W91610 series are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing. FEATURES DTMF/Pulse switchable dialer 32-digit redial memory Two-stage redial function Pulse-to-tone (P→T) keypad for long distance call operation Easy operation with redial, flash, pause and P→T keypads Pause, pulse-to-tone (P→T) can be stored as a digit in memory Tone output duration: as long as key is depressed or 90 mS minimum Minimum intertone pause: 90 mS Flash time: 100 mS Uses 4 × 5 keyboard On-chip power-on reset Uses 3.579545 MHz crystal or ceramic resonator Packaged in 18-pin DIP The different dialers in the W91610 series are shown in the following table: TYPE NO. DIALING RATE PAUSE B:M W91610 W91611 10 ppS 4 sec 2:1 3:2 FLASH 100 mS Publication Release Date: July 1996 - 1 - Revision A3 PIN CONFIGURATION W91610 SE...