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AFC1
IC BLOCK DIAGRAM
MM74HCU04SJX (XY070A00)
MAIN:
IC016
TC74HC04AF (XS993A00)
MAIN:
IC025
Hex Inverter
1
1A
2
1Y
3
2A
4
2Y
5
3A
6
3Y
7
Vss
MM74HC74ASJX (XY153A00)
MAIN: IC017, 022
Dual D-Type Flip-Flop
1CLR
1
2
1D
D
D
3
1CK
CK
4
1PR
PR
CK
5
Q
1Q
PR
6
Q
1Q
Q
7
GND
Q
INPUTS
PR
CLR
CLK
D
L
H
X
X
H
L
X
X
L
L
X
X
H
H
f
H
H
H
f
L
H
H
L
X
MM74HC151SJX (XY308A00)
MAIN: IC026, 062, 063
8 to 1 Data Selector
3
1
D3
2
2
D2
D4
Data
Inputs
1
3
D1
D5
0
4
D0
D6
Y
5
Y
D7
Outputs
W
6
W
A
Strobe
7
S
B
C
GND
8
18
（IC ブロック図）
MM74HC14SJX (XW104A00)
MAIN: IC019
Hex Inverter
14
VDD
13
6A
12
6Y
11
5A
10
5Y
GND
9
4A
8
4Y
TC74HC123AF (XN242A00)
MAIN: IC041
Dual Retriggerable Single Shot
14
VCC
13
2CLR
12
2D
11
2CK
10
2PR
9
2Q
8
2Q
2 Cext
2 Rext / Cext
OUTPUTS
GND
Q
Q
H
L
L
H
H
H
H
L
L
H
Q
Q
O
O
TC74HC153AFEL (XY309A00)
MAIN: IC027
Dual 4 to 1 Data Selectors
1G SELECT
16
Vcc
STROBE B
15
4
14
5
Data
Inputs
6
13
DATA
INPUTS
7
12
A
11
Data
OUTPUT 1Y
10
B
Select
GND
9
C
1
1A
14
VDD
2
1Y
13
6A
3
12
2A
6Y
4
2Y
11
5A
5
10
3A
5Y
6
9
3Y
4A
7
8
4Y
1A
Vcc
1
16
1B
1 Rext / Cext
2
15
1
Cext
3
14
CLR
1Q
1Q
Q
4
Q
13
2Q
2Q
5
12
Q
Q
CLR
CLR
6
11
2B
7
10
8
9
2A
1
16
Vcc
2
15
SELECT 2G
1G
STROBE A
3
14
IC3
2G
4
IC2
13
2C3
5
IC1
2C2
12
DATA
B
B
INPUTS
2C1
IC0
6
11
B
B
A
A
7
1Y
2C0
10
A
A
8
9
2Y
OUTPUT 2Y
74VHC32SJX (XY306A00)
MAIN: IC003, 005
Quad 2 Input OR
1A
Vcc
1
14
1B
4B
2
13
1Y
4A
3
12
2A
4Y
4
11
2B
3B
5
10
2Y
3A
6
9
GND
3Y
7
8
TC74VHC138F (XT015A00)
MAIN: IC064, 065
3 to 8 Demultiplexer
1
A
16
Vcc
A
Select
2
B
B
Y0
15
YO
3
C
Y1
14
C
Y1
4
G2A
13
Y2
G2A
Y2
Enable
5
G2B
Y3
12
G2B
Y3
6
G1
Y4
11
G1
Y4
Output
7
10
Y7
Y7
Y5
Y5
Y6
8
GND
9
Y6
MM74HC157SJX (XY310A00)
MAIN: IC108, 109
Quad 2 to 1 Multiplexer
SELECT
1
16
Vcc
2
1A
G
15
1A
STROBE
3
1B
4A
14
1B
4A
4
1Y
4B
1Y
13
4B
5
2A
4Y
2A
12
4Y
6
2B
3A
11
2B
3A
7
2Y
2Y
3B
10
3B
8
9
GND
3Y
Output
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