W91472N Overview
The W91472N series are tone/pulse switchable telephone dialers with five memories, save memory, 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.
W91472N Key Features
- DTMF/pulse switchable dialer
- Two by 32 digit redial and save memory
- Five by 16 digit one-touch direct repertory memory
- Pulse-to-tone (-/T) keypad for long distance call operation
- Cascaded dialing
- Uses 5 × 6 keyboard
- Easy operation with redial, flash, pause, and -/T keypads
- Pause, P→T (pulse-to-tone) can be stored as a digit in memory
- Dialing rate (10 ppS or 20 ppS) selectable by bonding option
- On-hook debounce time: 150 mS