Ic Block Diagram（Ic ブロック図 - Yamaha SB168-ES Service Manual

IC BLOCK DIAGRAM（IC ブロック図）
TC74VHC00FT (X2313B0R)
DM: IC201
Quad 2 Input NAND
1A VDD
1 14
1B 4B
2 13
1Y 4A
3 12
2A 4Y
4 11
2B 3B
5 10
2Y 3A
6 9
Vss 3Y
7 8
SN74LV11APWR (X3516A0R)
DM: IC012
Triple 3 Input AND
1A VDD
1 14
1B 1C
2 13
2A 1Y
3 12
2B 3C
4 11
2C 3B
5 10
2Y 3A
6 9
VSS 3Y
7 8
SN74AHCT245PWR (X2709A0R)
DM: IC206
SN74LV245APWR (X3693A0R)
HAAD2: IC901
SN74HC245NSR (XD838A0R)
DA: IC901, IC902
TC74VHCT245AFT (XT744B0R)
DM: IC400–402
TC74VHC245FT (XU797B00)
DM: IC005–009, IC014–017, IC023, IC024,
IC027, IC204, IC205, IC208, IC209,
IC500, IC502, IC504, IC602, IC606
Octal 3-State Bus Transceiver
SN74LV04APWR (X5965A0R)
DM: IC107
Hex Inverter
1
1A 14
VDD
2
1Y 13
6A
3
12
2A
6Y
2Y 4 11
5A
5 10
3A
5Y
6
9
3Y 4A
7
Vss 8 4Y
SN74LV32APWR (X5647A00)
DM: IC019
SN74AHCT32PWR (XZ347A00)
DM: IC404
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
D1R 1 20 V
CC
A1 2 19 G
A2 3 18 B1
A3 4 17 B2
A4 5 B3
16
A5 6 B4
15
A6 7 14 B5
A7 8 13 B6
A8 9 12 B7
GND 10 11 B8
SN74LV08APWR (X4463A00)
DM: IC018
Quad 2 Input AND
1A VDD
1 14
1B 4B
2 13
1Y 4A
3 12
2A 4Y
4 11
2B 3B
5 10
2Y 3A
6 9
VSS 3Y
7 8
SN74LV244APWR (X3292A0R)
DM: IC503
Octal 3-State Bus Buffer
1OE VDD (Vcc)
1 20
2OE
2 19
1A1
1Y1
3 18
2Y4
1A2 2A4
4 17
1Y2
5 16
2Y3
1A3 2A3
6 15
1Y3
7 14
2Y2
2A2
8 13
1A4
1Y4
2Y1 9 12
(GND) Vss 2A1†
10 11
TC74VHC273FT (X7942B00)
DM: IC405–410
Octal D-Type Flip-Flop
1 20
CLEAR
2 19
1Q
Q Q
CL CL
3 18
D CK CK D
1D
4 17
2D
D CK CK D
CL CL
5 16
Q Q
2Q
6 15
3Q
Q Q
CL CL
7 14
D CK CK D
3D
8 13
4D
D CK CK D
CL CL
9 12
Q Q
4Q
10 11
GND
SB168-ES
VCC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLOCK
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