Ic Block Diagram（Ic ブロック図 - Yamaha LS9 Service Manual

LS9-16/LS9-32
IC BLOCK DIAGRAM（IC ブロック図）
TC74VHC00FT (X2313B00)
DSP (LS9-16): IC154
DSP32 (LS9-32): IC154
Quad 2 Input NAND
1A
1
1B
2
1Y
3
2A
4
2B
5
2Y
6
Vss
7
SN74LV21APWR (X2377A00)
CPU: IC020
Dual 4 Input AND
1A
1
1B
2
NC
3
1C
4
1D
5
1Y
6
GND
7
SN74LV244APWR (X3292A00)
DSP (LS9-16): IC482
DSP32 (LS9-32): IC482
Octal 3-State Bus Buffer
1G
1
2
1A1
3
2Y4
1A2
4
5
2Y3
1A3
6
2Y2 7
1A4 8
2Y1
9
(GND) Vss
10
64
HD74LV04AFPEL (IS000400)
DSP (LS9-16): IC104,105
DSP32 (LS9-32): IC104,105
SN74HCU04NSR (XW842A00)
JK: IC104
Hex Inverter
VDD
14
4B
13
1A
4A
12
1Y
4Y
11
2A
3B
10
2Y
3A
9
3A
3Y
8
3Y
Vss
SN74LVC32APWR (X5405A00)
JK: IC412
Quad 2 Input OR
Vcc 1A
14
2D 1B
13
2C 1Y
12
NC 2A
11
2B 2B
10
2A 2Y
9
2Y GND
8
SN74LV273APWR (X5074A00)
FD: IC117,118
Octal D-Type Flir Flop
VDD (Vcc)
20
CLEAR
2G
19
1Q
1Y1
18
1D
2A4
17
2D
1Y2
16
2Q
2A3
3Q
15
1Y3
3D
14
4D
2A2
13
4Q
1Y4
12
GND
2A1
11
1 VDD
14
2 13
6A
3
12
6Y
4
11 5A
5
10
5Y
6
9
4A
7
8 4Y
Vcc
1 14
4B
2 13
4A
3 12
4Y
4 11
3B
5 10
3A
6 9
3Y
7 8
1 20
VCC
2 19
8Q
Q Q
CL CL
3 18
D CK CK D 8D
4 17
7D
D CK CK D
CL CL
5 16
Q Q 7Q
6 15
6Q
Q Q
CL CL
7 14
D CK CK D 6D
8 13 5D
D CK CK D
CL CL
9 12 5Q
Q Q
10 11 CLOCK
SN74AHC14NSR (X3334A00)
JK: IC201
Hex Inverter
1A 1
14 VDD
2
1Y 13 6A
3
2A 12
6Y
2Y 4 11 5A
3A 5 10
5Y
6
9
3Y
4A
GND 7
8 4Y
HD74LV74AFPEL-E (IS007400)
DSP (LS9-16): IC160,357
DSP32 (LS9-32): IC160,357
SN74LVC74APWR (X5731A00)
JK: IC401,402
Dual D-Type Flip-Flop
1CLR 1 VCC
14
1D 2 13
D 2CLR
D
3
1CK 12
CK 2D
1PR 4
11 2CK
PR CK
5
1Q Q 10
2PR
PR
6
Q 9
1Q Q 2Q
7
GND 8 2Q
Q
INPUTS OUTPUTS
PR CLR CLK D Q
L H X X H
H L X X L
L L X X H
H H f H H
H H f L L
H H L X Q
O
Q
L
H
H
L
H
Q
O