UB99
11
IC BLOCK DIAGRAM
1
2
3
4
5
6
7
QL
QF
QE
QG
QD
QC
QB
GND
VCC
QK
QJ
QH
QI
CLR
CLK
QA
16
14
13
12
11
10
8
9
SN74LVU04APWR
(X3936A00)
Hex Inverter
SN74LV245APWR
(X3693A00)
Octal 3-State Bus Transceiver
SN74LV4040APWR
(X3935A00)
12-Bit Asynchronous Binary Counter
NJM072M
(XC458A00)
TL072CPSR
(XV423A00)
Dual Operational Amplifier
NJM5532M
(XC011A00)
Dual Operational Amplifier
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
9
5
3
2
4
13
12
14
15
1
11
10
CLR
CLK
QA
QD
QE
QH
QK
QL
QF
QG
QI
QJ
7
QB
6
QC
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
1
2
3
4
5
6
7
20
19
18
17
16
15
14
Vcc
G
B1
B2
B3
B4
B5
B6
B7
B8
8
9
10
12
11
GND
A8
A7
A6
A5
A4
A3
A2
A1
D1R
13
Output A
Inverting
Input A
Non-Inverting
Input A
–DC Voltage
Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
1
2
3
4
8
7
6
5
– +
–+
–V
1
2
3
4
8
7
6
5
A OUT
A+IN
V+
B OUT
B+IN
A IN
V
B IN
15
(IC ブロック図)