W91430N Datasheet, PDF (1/14 Pages) Winbond – 13-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION

W91430N SERIES
13-MEMORY TONE/PULSE DIALER
WITH SAVE FUNCTION
GENERAL DESCRIPTION
The W91430N series are Si-gate CMOS ICs that provide the necessary signals for either tone or
pulse dialing. The W91430N series features save memory and a 13 by 16 digit automatic dialing
memory.
FEATURES
• DTMF/pulse switchable dialer
• Two by 32 digit redial and save memory
• Three by 16 digit one-touch direct memory
• Ten by 16 digit two-touch direct memory
• Redial memory cascadable with normal dialing; dialing length is unlimited, but if length oversteps
32-digit the redial function is inhibited
• Pulse-to-tone (*/T) keypad for long distance call operation
• Uses 5 × 5 keyboard
• Easy operation with redial, flash, pause and */T keypads
• Flash, pause, P→T (Pulse-to-tone) can be stored as a digit in memory
• Dialing rate (10, 20 ppS ) selected by bonding option
• On hook debounce time: 150 msec.
• Minimum tone output duration: 93 msec.
• Minimum intertone pause: 93 msec.
• Flash break time (73, 100, 300, 600 msec.) selectable by keypad; pause time is 1 sec.
• On-chip power-on reset
• Uses 3.579545 MHz crystal or ceramic resonator
• Packaged in 18-pin plastic DIP
• The different dialers in the W91430N series are shown in the following table:
TYPE NO.
REPLACEMENT
TYPE NO.
PULSE
(ppS)
FLASH
(mS)
PAUSE
M/B
(S)
W91432N
W91432
10
600/300/73/100
3.6
Pin
W91444
W91446
W91447
W91445
W91434G
W91435G
W91433N
W91433
20
600/300/73/100
3.6
Pin
Publication Release Date: May 1997
-1-
Revision A3