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QQ
3 7 63 1515 0
IC BLOCK DIAGRAMS AND DESCRIPTIONS
TC74VHC74FT(Dual D-FF with preset and clear)
1CLR
1
1D
2
1CK
3
1PR
4
1Q
5
1Q
6
GND
7
TC74VHCT00AFT(2-input NAND gate)
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
TE
L 13942296513
GND
7
A
L
L
H
H
TC7WU04F(3 Inverters)
1A
3Y
2A
GND
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.
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14
Vcc
13
2CLR
CK D
Q Q
12
2D
11
2CK
10
2PR
CK D
9
2Q
Q Q
8
2Q
Vcc
14
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y
8
B
Y
L
H
H
H
L
H
H
L
1
8
2
7
3
6
4
5
x
ao
y
i
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8
INPUTS
CLR
PR
D
CK
L
H
X
X
H
L
X
X
L
L
X
X
H
H
L
H
H
H
H
H
X
X: Don't care
74HC04F/TC74VHCU04FT(Hex Inverters)
1
1A
2
1Y
3
2A
4
2Y
Q Q
3
6 7
1 3
3A
5
3Y
6
GND
7
(TOP VIEW)
Vcc
Truth Table
1Y
A
Y
L
H
H
L
3A
2Y
u163
.
2 9
9 4
2 8
OUTPUTS
FUNCTION
Q
Q
L
H
CLEAR
H
L
PRESET
H
H
L
H
H
L
Qn
Qn
NO CHANGE
14
Vcc
13
6A
12
6Y
5A
11
1 5
0 5
8
2 9
9 4
5Y
10
4A
9
4Y
8
m
co
DTR-6.4
9 9
Truth table
Y
A
L
H
H
L
2 8
9 9
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