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参数资料
| 型号： | IN74VHC74 |
| 厂商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | DUAL D FLIP-FLOP WITH SET AND RESET |
| 中文描述： | 双D触发器与SET和RESET |
| 文件页数： | 2/7页 |
| 文件大小： | 295K |
| 代理商： | IN74VHC74 |
IN74VHC74
IN74VHC74 truth table
Input
Output
nSD
nRD
nCP
nD
nQ
nQ
L
H
L
H
H
L
L
H
X
X
X
X
X
X
H
H
L
H
H
L
H
H
L
H
H
L
L
H
H
H
H
H
H
H
L
H
X
X
X
Qo
Qo
Qo
Qo
Qo
Qo
Note –
H - high voltage level;
L – low voltage level;
X - any voltage level (low or high);
Qo - storage of the previous state;
Z - output in the third
- transition from low into high level;
- transition from high into low level
Pinout
Pins description in IN74VHC74
Pin No.
01
02
03
04
05
06
Symbol
1RD
1D
1CP
1SD
1Q
1Q
GND
2Q
2Q
2SD
2CP
2D
2RD
V
CC
Description
Input of RESET signal
Data input
Input of clock signal
Input of SET signal
Data output
Data output
07
08
Common output
Data output
09
10
11
12
13
14
Data output
Input of SET signal
Input of clock signal
Data input
Input of RESET signal
Supply output from voltage
source
1RD
01
1D
02
1CP
03
1SD
04
1Q
05
1Q
06
07
GND
14
13
12
11
10
09
08
2D
2
С
P
2SD
2Q
2Q
2RD
Vcc
2
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