W91210 查看數據表（PDF） - Winbond
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W91210 Datasheet PDF : 11 Pages
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W91210 SERIES
AC CHARACTERISTICS
PARAMETER
SYM.
CONDITIONS MIN. TYP. MAX . UNIT
Keypad Active in Debounce
TKID
-
20
-
mS
Key Release Debounce
TKRD
-
20
-
mS
Pre-digit Pause
TPDP Mode Pin = VDD
-
40
-
mS
10 ppS Mode Pin = Floating - 33.3
-
mS
Interdigit Pause (Auto dialing)
TIDP 10 ppS
- 800
-
mS
Make/Break Ratio
M/B Mode Pin = VDD
- 40:60 -
%
Mode Pin = Floating - 33:67 -
%
DTMF Output Duration
TTD Auto Dialing
85 87
-
mS
Intertone Pause
TITP Auto Dialing
85 87
-
mS
Flash Break Time
TFB F1
- 100
-
mS
F2
- 300
-
F3
- 600
-
Flash Pause Time
TFP F1
-
1.0
-
S
F2
-
1.0
-
F3
-
1.0
-
Pause Time
TP W91212/214/216
-
3.6
-
S
W91214A
-
2.0
-
Notes:
1. Crystal parameters suggested for proper operation are Rs < 100 Ω, Lm = 96 mH, Cm = 0.02 pF, Cn = 5 pF, Cl = 18 pF,
FOSC. = 3.579545 MHz ±0.02%.
2. Crystal oscillator accuracy directly affects these times
Publication Release Date: May 1995
-7-
Revision A3
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