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參數資料
| 型號： | W91440NS |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | Telephone Dialer |
| 中文描述： | 電話撥號器 |
| 文件頁數： | 9/14頁 |
| 文件大小： | 163K |
| 代理商： | W91440NS |
W91440N SERIES
Publication Release Date: May 1997
- 9 -
Revision A3
AC Characteristics, continued
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Flash Pause Time
T
FP
F1, F2, F3, F4
-
1.0
-
S
Pause Time
T
P
-
3.6
-
S
On-hook Debounce
Time
T
OHD
-
150
-
S
Notes:
1. Crystal parameters suggested for proper operation are Rs < 100 ohms, Lm = 96 mH, Cm = 0.02 pF, Cn = 5 pF, Cl = 18 pF,
F
OSC
. = 3.579545 MHz
±
0.02%.
2. Crystal oscillator accuracy directly affects these times.
TIMING WAVEFORMS
T
IDP
HKS
KEY IN
DP
2
B
M
T
IDP
T
IDP
T
KID
T
IDP
T
PDP
2
M B
4
T
KRD
3
T
KID
DTMF
OSC.
Low
OSCILLATION
T
PDP
T/P MUTE
OSCILLATION
Figure 1(a) Normal Dialing Timing Diagram
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| W91444 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:13-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION |
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