W91330N SERIES
TONE/PULSE DIALER WITH HANDFREE
LOCK AND KEY TONE FUNCTIONS
GENERAL DESCRIPTION
The W91330N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse
dialing. They feature one-key redial, handfree dialing, key tone, redial, and lock functions.
FEATURES
• DTMF/pulse switchable dialer
• 32-digit redial memory
• Pulse-to-tone (*/T) keypad for long distance call operation
• Uses 5 × 4 keyboard
• 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 low 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.
• Minimum intertone pause: 93 msec.
• Flash break time (73, 100, 300, 600 msec.) selectable by keypad; pause time is 1.0 sec.
• On-chip power-on reset
• Uses 3.579545 MHz crystal or ceramic resonator
• Packaged in 18 or 20-pin plastic DIP
• The different dialers in the W91330N series are shown in the following table:
TYPE NO.
REPLACEMENT PULSE
TYPE NO.
(ppS)
FLASH
(mS)
M/B KEY HANDFREE LOCK PACKAGE
TONE DIALING
(PINS)
W91330N
W91330
10
600/100/300/73 Pin Yes
-
-
18
W91331N
W91331
20
600/100/300/73 Pin Yes
-
-
18
W91330AN W91330A
10
600/100/300/73 Pin Yes
Yes
-
20
W91331AN W91331A
20
600/100/300/73 Pin Yes
Yes
-
20
W91330LN W91330L
10
600/100/300/73 Pin
-
-
Yes
20
W91330ALN W91330AL
10
600/100/300/73 Pin
-
Yes
Yes
20
Publication Release Date: May 1997
-1-
Revision A2