W91620 Overview
The W91620 series are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing.
W91620 Key Features
- DTMF/Pulse switchable dialer
- 32-digit redial memory
- Two-stage redial function
- Ten by 32 digit two-touch indirect repertory memory
- Mixed dialing, cascade dialing allowed
- Pulse-to-tone (P→T) keypad for long distance call operation
- Easy operation with redial, flash, pause and P→T keypads
- Pause, pulse-to-tone (P→T) can be stored as a digit in memory
- Tone output duration: as long as key is depressed or 90 mS minimum
- Minimum intertone pause: 90 mS