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參數資料
| 型號： | W91440N |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION |
| 中文描述： | 10 -記憶音頻/脈沖撥號器保存功能 |
| 文件頁數： | 3/14頁 |
| 文件大小： | 163K |
| 代理商： | W91440N |
W91440N SERIES
Publication Release Date: May 1997
- 3 -
Revision A3
Pin Description, continued
SYMBOL
PIN
I/O
FUNCTION
HKS
10
I
Hook switch input.
HKS = V
DD
: On-hook state. Chip in sleeping mode, no operation.
HKS = V
SS
: Off-hook state. Chip is enabled for normal operation.
HKS pin is pulled to V
DD
by internal resistor.
DP
11
O
N-channel open drain dialing pulse output.
Flash key will cause DP to be active in either tone mode or pulse
mode.
The timing diagram in pulse mode is shown in Figure 1(a, b, c).
V
DD
, V
SS
14, 6
I
Power input pins.
DTMF
12
O
In pulse mode, this pin remains in low state at all time.
In the tone mode, it will output a dual or single tone.
Detailed timing diagram for tone mode is shown in Figure 2(a, b, c).
Specified
697
Actual
699
Error %
+0.28
Output Frequency
R1
R2
R3
R4
C1
C2
C3
770
852
941
1209
1336
1477
766
848
948
1216
1332
1472
-0.52
-0.47
+0.74
+0.57
-0.30
-0.34
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| W91442N | 10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91443N | 10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91440NS | Telephone Dialer |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W91440NS | 制造商:WINBOND 制造商全稱:Winbond 功能描述:Telephone Dialer |
| W91442 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| W91442N | 制造商:WINBOND 制造商全稱:Winbond 功能描述:10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION |
| W91443 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| W91443N | 制造商:WINBOND 制造商全稱:Winbond 功能描述:10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION |
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