W91320 查看數據表（PDF） - Winbond
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W91320 Datasheet PDF : 19 Pages
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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
• Pulse-to-tone (*/T) keypad for long distance call operation
• Uses 5 × 5 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 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, and the pause time is 1.0 sec.
• On-chip power-on reset
• Uses 3.579545 MHz crystal or ceramic resonator
• Packaged in 18, 20, or 22-pin plastic DIP
• 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 HANDFREE LOCK PACKAGE
DIALING
(PINS)
Pin
-
-
18
Pin
-
-
18
Pin
Yes
-
20
Pin
Yes
-
20
Pin
-
Yes
20
Pin
Yes
Yes
22
Publication Release Date: May 1997
-1-
Revision A2
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