W91320N SERIES
TONE/PULSE DIALER WITH HANDFREE
LOCK AND HOLD FUNCTIONS
GENERAL DESCRIPTION
The W91320N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse
dialing. The W91320N series provide one-key redial, handfree dialing, hold, redial, and lock
functions.
FEATURES
•
•
DTMF/pulse switchable dialer
32-digit redial memory
(*/T) keypad for long distance call operation
5
×
5 keyboard
•
Pulse-to-tone
•
Uses
•
•
•
•
•
•
•
Easy operation with redial, flash, pause, and */T keypads
Pause, pulse-to-tone (*/T) can be stored as a digit in memory
0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out
Off-hook delay 300 mS in lock mode ( DP will keep low for 300 mS while off hook)
First key-in delay 300 mS output in lock mode
Dialing rate (10, 20 ppS ) selected by bonding option
Minimum tone output duration: 93 msec.
intertone pause: 93 msec.
Flash break time (73, 100, 300, 600 msec.) selectable by keypad, and the pause time is 1.0 sec.
power-on reset
Uses 3.579545 MHz crystal or ceramic resonator
•
Minimum
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On-chip
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Packaged in 18, 20, or 22-pin plastic DIP
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The different dialers in the W91320N series are shown in the following table:
TYPE NO.
W91320N
W91321N
W91320AN
W91321AN
W91320LN
W91320ALN
REPLACEMENT
TYPE NO.
W91320
W91321
W91320A
W91321A
W91322L
W91322AL
PULSE
(ppS)
10
20
10
20
10
10
FLASH
(mS)
600/100/300/73
600/100/300/73
600/100/300/73
600/100/300/73
600/100/300/73
600/100/300/73
M/B
Pin
Pin
Pin
Pin
Pin
Pin
HANDFREE
DIALING
-
-
Yes
Yes
-
Yes
LOCK
-
-
-
-
Yes
Yes
PACKAGE
(PINS)
18
18
20
20
20
22
-1-
Publication Release Date: May 1997
Revision A2
WINBOND [ WINBOND ]
