Datasheet Details
| Part number | W91473 |
|---|---|
| Manufacturer | Winbond |
| File Size | 226.29 KB |
| Description | 14-MEMORY TONE/PULSE SWITCHABLE DIALER |
| Datasheet |
 W91473 Datasheet
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General 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.
Key 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.