Ic Block Diagram （Ic ブロック図 - Yamaha DME24N Service Manual

DME24N/DME64N
IC BLOCK DIAGRAM （IC ブロック図）
SN74LVC00APWR (X5406A00)
TC74VHC00FT (X2313A00)
TC74VHC00F (XT229A00)
74VHC00MTCX (X3724A00)
Quad 2 Input NAND
DME24N DM: IC121, 308
JK: IC015, 016
DME64N DM: IC121, 308
CA: IC209, 809, 810
1A
1
1B
2
1Y
3
2A
4
2B
5
2Y
6
Vss
7
TC74VHC14FT (XV890A00)
TC74VHC14F-EL (XW876A00)
Hex Inverter
DME24N DM: IC106, 301, 412
JK: IC013
DME64N DM: IC106, 301, 412
CA: IC208, 805
1A 1
2
1Y
3
2A
4
2Y
5
3A
6
3Y
7
GND
SN74LV126APWR (X3865A00)
Bus Buffer
DME24N DM: IC111
DME64N DM: IC111
1G 1
2
1A
3
2Y
4
2G
5
2A
6
2Y
7
GND
40
TC74VHC04FT (X0195A00)
TC74VHC04F EL (XM332A00)
Hex Inverter
DME24N DM: IC319
DME64N DM: IC319
1A
VDD
14
1Y
4B
13
2A
4A
12
2Y
4Y
11
3A
3B
10
3Y
3A
9
Vss
3Y
8
SN74LVC32APWR (X5405A00)
TC74VHC32FT (XY945A00)
Quad 2 Input OR
DME24N DM: IC110, 120, 303, 402, 800,
DME64N DM: IC110, 120, 303, 402, 800,
1A
14
VDD
1B
13
6A
1Y
12
6Y
2A
11
5A
2B
10
5Y
2Y
9
4A
GND
8
4Y
TC74VHC138FT (XZ495A00)
3 to 8 Demultiplexer
DME24N DM: IC401
DME64N DM: IC401
14 Select
Vcc
13
4G
12
4A
G2A
Enable
11
4Y
G2B
10
3G
G1
9
Output
3A Y7
8
3Y
GND
DSP: IC501
DSP: IC501
1
14 VDD
2 13
6A
3
12
6Y
4
11
5A
5
10
5Y
6
9
4A
7 8
4Y
IC803, 806
IC803, 806
Vcc
1 14
4B
2 13
4A
3 12
4Y
4 11
3B
5 10
3A
6 9
3Y
7 8
CA: IC108
1
A 16 Vcc
A
2 B 15
B Y0 YO
3
C Y1 14
C Y1
4
G2A Y2 13 Y2
Output
5
G2B Y3 12
Y3
6
G1 Y4 11
Y4
7 10 Y5
Y7 Y5
Y6
8
9 Y6
TC74VHC08FT (XV891A00)
SN74LVC08APWR (X3019A00)
TC74VHC08F (XT014A00)
Quad 2 Input AND
DME24N DM: IC105, 109, 302, 321, 804, 805
DSP: IC123, 601
DME64N DM: IC105, 109, 302, 321, 804, 805
DSP: IC123, 601
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
TC74VHC74FT (XV892A00)
Dual D-Type Flip-Flop
DME24N DM: IC320, 413, 904
DME64N DM: IC320, 413, 904
1CLR 1 14
VCC
2
13
1D D 2CLR
D
3
12
1CK CK
2D
4 11
1PR PR 2CK
CK
5 Q 10
1Q
2PR
PR
6 9
Q
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