Denon DN-C680 - Page 21

21
21DN-C680
SN74HCT244APW (MA: IC118,121,124,134-136,140,141)
SN74LV245APW (MA: IC102,103,107,127) µPD4721GS (MA: IC811)
HD26C32A (MA: IC808) HD26LS31FP (MA: IC803,809)
HD26C32A Logic Diagram HD26LS31FP Logic Diagram
logic symbol Function Table
INPUTS OUTPUT
GA Y
LH H
LL L
HX Z
DiR 1 VCC 20
A0 2 OE 19
A1 3 B0 18
A2 4 B1 17
A3 5 B2 16
A4 6 B3 15
A5 7 B4 14
A6 8 B5 13
A7 9 B6 12
GND 10 B7 11
µ
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
V
DD
C
1
+
V
CC
C 1
-
C
5
+
C 5
-
D IN1
D IN2
R OUT1
R OUT2
C
4
+
GND
C
4
-
V SS
STBY
V
CHA
D OUT1
D OUT2
R IN1
R IN2
14
13
12
11
300ohm
5.5kohm
5.5kohm
300ohm
1
2
3
4
5
6
7
IN A1
GND
IN A2
OUT A
OUT C
8
Enable
IN C2
IN C1
13
14
15
10
11
12
9
16
V
CC
IN B1
IN B2
OUT B
Enable
OUT D
IN D2
IN D1
1
2
3
4
5
6
7
1A
GND
1Y
1Z
2Z
8
Enable
G
2Y
2A
13
14
15
10
11
12
9
16
V
CC
4A
4Y
4Z
Enable
G
3Z
3Y
3A
IN A2
Enable G
Enable G
OUT A
OUT B
OUT C
OUT D
IN A1
IN B2
IN B1
IN C2
IN C1
IN D2
IN D1
+
–
+
–
+
–
+
–
1Y
1Z
1A
2Y
2Z
2A
3Y
3Z
3A
4Y
4Z
4A
Enable G
Enable G