Winbond Electronics Corporation W91621
The W91620 series are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing. The W91620 series features a ten-channel, 32-digit automatic dialing memory.| Part No. | W91621 |
|---|---|
| Datasheet | W91621 Download |
| Manufacturer |  Winbond Electronics Corporation |
| Description | 10-MEMORY TONE/PULSE DIALER |
| Buy | Stock & Price |
GENERAL DESCRIPTION
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
● Flash time: 100 mS
● Uses 4 × 5 keyboard
● On-chip power-on reset
● Uses 3.579545 MHz crystal or ceramic resonator
● Packaged in 18-pin DIP
● The different dialers in the W91620 series are shown in the foll
