Description
The W91473 series are Si-gate CMOS IC tone/pulse switchable dialers containing a 14-channel automatic dialing memory, including a 16-digit × 3 emergency dialing memory and a 16-digit × 10 channel repertory memory that provides a 32-digit mercury memory.
Features
- DTMF/Pulse switchable dialer.
- 32-digit LNB (last number buffer) memory.
- 32-digit mercury memory.
- 16-digit × 3 one-touch direct repertory memory.
- 16-digit × 10 direct repertory memory.
- Uses 7 × 5 keyboard.
- Flash time: 98 mS, 305 mS, or 600 mS (selectable by keypad option).
- Minimum tone output duration: 93 mS.
- Minimum intertone pause: 93 mS.
- On-chip power-on reset.
- Uses 3.579545 MHz crystal or cera.
W91473D Datasheet
