Part W91544AN
Description 10-MEMORY TONE/PULSE DIALER
Manufacturer Winbond
Size 191.33 KB
Winbond
W91544AN

Overview

The W91540N series are tone/pulse switchable telephone dialers with 10 memories, keytone or lock function, and handfree dialing control. These chips are fabricated using Winbond's high-performance CMOS technology and thus offer good performance in low-voltage and low-power operations.

  • DTMF/pulse switchable dialer
  • Two by 32-digit redial and save memory
  • Ten by 16 digit two-touch indirect repertory memory
  • Pulse-to-tone (*/T) keypad for long distance call operation
  • Cascaded dialing
  • Uses 5 × 5 keyboard
  • Easy operation with redial, flash, pause, and */T keypads
  • Pause, P→T (pulse-to-tone) can be stored as a digit in memory
  • 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out
  • Dialing rate (10 ppS or 20 ppS) selected by bonding option