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W91040 Datasheet

  • W91040

  • 202.97KB

  • 11頁

  • ETC

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W91210 SERIES
TONE/PULSE DIALER WITH REDIAL FUNCTION
GENERAL DESCRIPTION
The W91210 series are Si-gate CMOS ICs that provide the necessary signals for either pulse or tone
dialing. The W91210 series features a redial function.
FEATURES
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DTMF/Pulse switchable dialer
One by 32 digits for redial memory
Pulse-to-tone (*/T) keypad for long distance call operation
Uses 4
脳
4 keyboard
Easy operation with redial, flash, pause, and */T keypads
Pause, P鈫扵 (pulse-to-tone) can be stored as a digit in memory
Minimum tone output duration: 87 mS
Minimum intertone pause: 87 mS
Flash time (100 mS, 300 mS or 600 mS) selectable by keypad
Pause time 3.6 sec or 2.0 sec
On-chip power-on reset
Uses 3.579545 MHz crystal or ceramic resonator
Packaged in 16-pin plastic DIP
The different dialers in the W91210 series are described in the following table:
TYPE NO.
W91212
W91214/A
W91216
PULSE
(ppS)
10
10
10
FLASH (mS)
100/300/600
100/300/600
100/300/600
PAUSE
TIME (S)
3.6
3.6/2.0
3.6
M/B
Pin
Pin
Pin
PULSE-TO-TONE
PAUSE TIME
Yes
No
Yes
Note: W91214 designed for use in France, W91216 for Germany.
-1-
Publication Release Date: May 1995
Revision A3

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