Description
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.
Features
- 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 di.
W91542N Datasheet
