W91412
W91412 is TONE/PULSE DIALER manufactured by Winbond.
- Part of the W91410 comparator family.
- Part of the W91410 comparator family.
W91410 SERIES
TONE/PULSE DIALER WITH SAVE FUNCTION
GENERAL DESCRIPTION
The W91410 series are monolithic ICs that provide the necessary signals for either pulse or tone dialing. The W91410 series feature a redial and save memory.
Features
- DTMF/Pulse switchable dialer
- Two by 32 digits for redial and save memory
- Pulse-to-tone (P→T) keypad for long distance call operation
- Break/Make ratio is selectable by pin option
- Uses 4 × 4 keyboard
- Easy operation with redial, flash, pause, and P→T keypads
- Flash, pause, P→T (Pulse-to-tone) can be stored as a digit in memory
- Minimum tone output duration: 100 mS
- Minimum intertone pause: 100 mS
- On-chip power-on reset
- Uses 3.579545 MHz...
