Description
The W91570DN series ICs are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing..
Features
- Three by 32 digits for redial, save and mercury memory.
- Twenty by 16 digits for one-touch direct or two-touch indirect repertory memory.
- Uses 6 × 10 keyboard.
- Pause, Pulse-to-tone (.
- /T) and flash can be stored as a digit in memory.
- Minimum tone output duration: 87 mS.
- Minimum intertone pause: 87 mS.
- Tone/Pulse mode pin selectable.
- Make/Break ratio pin selectable.
- Dialing rate (10 or 20 ppS) pin selectable.
