19
ACD1
SN74LV4051ANSR
(X3955A00)
BRG: IC203
Single 8-Channel
Multiplexer/Demultiplexer
SN74LVCC4245APWR
(X3096A00)
BRG: IC108
Dual Supply Octal Bus Transceiver
VCCA
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
GND
VCCB
VCCB
/G
B1
B2
B3
B4
B5
B6
B7
B8
GND
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
8
9
10
12
13
14
15
G1
G2
D
D
B
A
11
24
23
22
21
20
19
18
8
9
10
11
12
16
15
14
13
17
DS36276M
(X2155A0R)
DS2: IC605
TRANSCEIVER
1
2
3
4
R
8
7
6
5
RO
DE
DI
V
CC
DO/RI
DO/RI
GND
RE
D
SN74LV21APWR
(X2377A0R)
CPU: IC020
Dual 4 Input AND
1
2
3
1A
NC
4
1C
5
1D
6
1Y
7
GND
1B
14
13
12
Vcc
2C
11
NC
10
2B
9
2A
8
2Y
2D
TC74VHC02FT
(X2508B00)
BRG: IC113
Quad 2 Input NOR
1
2
3
1Y
1B
4
2Y
5
2A
6
2B
7
Vss
1A
14
13
12
Vcc
4A
11
4B
10
3Y
9
3A
8
3B
4Y
SN74LV574APWR
(X5135A00)
DS1: IC504
DS2: IC608
SN74LVC574APWR
(X5742A00)
ENT2: IC116, IC117
Octal D-Type Flip-Flop
10
9
8
7
6
5
4
3
2
1
D5
D
CK
Q
OE
D
CK
Q
OE
D
CK
Q
OE
D
CK
Q
OE
D
CK
Q
OE
D
CK
Q
OE
D
CK
Q
OE
D
CK
Q
OE
D6
D7
GND
D4
D3
D2
D1
D0
Output
Control
Q5
Q6
Q7
Clock
Q4
Q3
Q2
Q1
Q0
Vcc
11
12
13
14
15
16
17
18
19
20
SN74LV4052APWR
(X6976A00)
BRG: IC206
Differential 4-Channel
Multiplexer/Demultiplexer
1
2
3
4
5
6
7
0Y
2Y
Y-COM
1Y
INH
VEE
VSS
3Y
16
15
14
13
12
11
VDD
2X
1X
X-COM
0X
3X
A
8
9
10
B
2Y
0Y
Y-COM
3Y
1Y
INH
B
2X
1X
X-COM
0X
3X
A
INPUTS
ON
CHANNEL
INH
C
B
A
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
None
L
H
L
H
L
H
L
H
X
L
L
H
H
L
L
H
H
X
L
L
L
L
H
H
H
H
X
L
L
L
L
L
L
L
L
H
1
Y4
2
3
4
5
6
7
8
Y6
INH
GND
GND
9
10
11
12
13
14
15
16
Vcc
Y2
Y1
Y3
A
B
C
COM
Y7
Y5
Y0
LOGIC
SN74LV04APWR
(X5965A0R)
BRG: IC101, IC102, IC201
Hex Inverter
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
Vss
14
13
12
11
10
9
8
VDD
6A
6Y
5A
5Y
4A
4Y