Winbond Electronics Corporation W91811AN
The W91810N is a series of tone/pulse switchable telephone dialers with 23 memory, keytone, hold, lock, mute, volume control and handfree dialing control features. These chips are fabricated using Winbond's high-performance CMOS technology and thus offer good performance in low-voltage, lowpower operations.GENERAL DESCRIPTION
FEATURES
● Tone/pulse switchable dialer● Two by 32 digits redial and save memory
● Three by 32 digits one-touch direct repertory memory
● Twenty by 32 digits one-touch direct or two-touch indirect repertory memory
● Pulse-to-tone (*/T) keypad for long distance call operation
● Chain dialing
● Uses 6 × 6 or 7 × 7 keyboard
● Easy operation with redial, flash, pause, and */T keypads
● Pause, P→T (pulse-to-tone) can be stored as a digit in memory
● Dialing rate: 10 or 20 ppS by mask option
● Minimum tone output duration: 93 mS
● Minimum intertone pause: