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参数资料
| 型号： | W91312AS |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 无绳电话/电话 |
| 英文描述： | TELEPHONE DIALER CKT, PDSO20 |
| 封装： | 0.300 INCH, SOP-20 |
| 文件页数： | 7/13页 |
| 文件大小： | 68K |
| 代理商： | W91312AS |
W91310 SERIES
Publication Release Date: February 1999
- 3 -
Revision A4
Pin Description, continued
SYMBOL
PIN
I/O
FUNCTION
DIP
SOP
DTMF
12
13
O
In pulse mode, remains in low state at all times. In tone mode,
outputs a dual or single tone. Detailed timing diagram for tone
mode is shown in Figure 2(a, b).
OUTPUT FREQUENCY
Specified
Actual
Error %
R2
R3
R4
C1
C2
C3
697
770
852
941
1209
1336
1477
699
766
848
948
1216
1332
1472
+0.28
-0.52
-0.47
+0.74
+0.57
-0.30
-0.34
R1
VDD, VSS
14, 6
16, 7
I
Power input pins.
B/M
5
I
The break make ratio is 60:40 if B/M = 1 and is 66.6:33.3 if B/M
= 0. This pin has no function in DTMF mode.
N.C.
-
6, 15
No connect
BLOCK DIAGRAM
HKS
T/P MUTE
COLUMN
ROW
XT
DP
(R1 to R4)
DTMF
SYSTEM CLOCK
GENERATION
READ/WRITE
COUNTER
RAM
LOCATION
LATCH
ROW & COLUMN
PROGRAMMABLE
COUNTER
DATA LATCH
& DECODER
KEYBOARD
INTERFACE
(C1 to C4)
D/A
CONVERTER
PULSE
CONTROL
LOGIC
CONTROL
LOGIC
MODE
B/M
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PDF描述 |
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| W91820AN/824AN | TELEPHONE DIALER CKT, PDIP22 |
| W91820N/824N | TELEPHONE DIALER CKT, PDIP20 |
| W9321S | MU-LAW, ADPCM CODEC, PDSO28 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W91312N | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91314 | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91314A | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91316 | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH REDIAL FUNCTION |
| W91320 | 制造商:WINBOND 制造商全称:Winbond 功能描述:TONE/PULSE DIALER WITH HANDFREE LOCK AND HOLD FUNCTION |
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