Preliminary W91F820N SERIES
13-FLASH MEMORY TON/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS
GENERAL DESCRIPTION
The W91F820N is a series of tone/pulse switchable telephone dialers with 13-flash memory, keytone, hold, lock, and handfree dialing control features.
These chips are fabricated using Winbond's highperformance
CMOS technology and thus offer good performance in low-
voltage, low-power operations.
FEATURES
• • • • • • • • • • • • • • • • • • • • •
Tone/pulse switchable dialer Two by 32 digits redial and save memory Three by 32 digits one-touch direct repertory flash memory Ten by 32 digits one-touch direct or two-touch indirect repertory flash memory The read-write times: 104...