W9145A Datasheet | Winbond

W9145 SERIES 15-MEMORY TONE/PULSE DIALER WITH LOCK AND HANDFREE FUNCTIONS GENERAL DESCRIPTION The W9145 series are Si-gate CMOS ICs that provide the necessary signals for either pulse or tone dialing. The W9145 series feature a key tone function, handfree dialing, a lock function, thirteen 16digit automatic dialing memories, and two by 32-digit for redial and save memory. Features - DTMF/Pulse switchable dialer - Two by 32 digits for redial and save memory - Three by 16 digits for one-touch direct repertory - Ten by 16 digits for two-touch indirect repertory - Unlimited dialing length (redial inhibited if dialing length exceeds 32 digits in normal dialing) - Auto Pause Access for PBX and toll service operations (3.1 seconds per pause) - Easy operation with redial, store, auto and pause keypads - Key tone output for recognition of valid keypad entry - Call disconnect (CD) key for line break operation - Mute key for speech mute - Flash time: 98 mS, 305 mS or...