Denon AVR-4802 Service Manual page 13

SEMICONDUCTORS
IC's
LH28F800BVE-BTL90 (IC504, 507)
1
A 1 5
2
A 1 4
3
A 1 3
4
A 1 2
5
A 1 1
6
A 1 0
7
A 9
8
A 8
9
N C
1 0
N C
1 1
W E
1 2
R E S E T
1 3
N C
1 4
N C
1 5
R D Y / B S Y
1 6
A 1 8
1 7
A 1 7
1 8
A 7
1 9
A 6
2 0
A 5
2 1
A 4
2 2
A 3
2 3
A 2
2 4
A 1
SN74AHCT573PW (IC516, 520)
SN74LV573ANS (IC517, 521)
O E 1 2 0
2
D 0 1 9
D 1 3
1 8
4
D 2 1 7
5
1 6
D 3
D 4 6 1 5
7
D 5 1 4
D 6 8 1 3
D 7 9 1 2
G N D 1 0 1 1
16MB SDRAM TSOP-8 H/W (IC505, 506, 508, 509)
A 4 1
A 3 2
A 2 3
4
A 1
A 0 5
6
C E
7
I / O 1
I / O 2 8
9
I / O 3
I / O 4 1 0
1 1
V
D D
1 2
G N D
1 3
I / O 5
1 4
I / O 6
1 5
I / O 7
1 6
I / O 8
1 7
W E
1 8
A 1 5
1 9
A 1 4
2 0
A 1 3
2 1
A 1 2
2 2
N . C .
4 8
A 1 6
4 7 B Y T E
4 6
V
S S
A0~A18
4 5 D Q 1 5 / A - 1
4 4 D Q 7
DQ0~DQ14
4 3 D Q 1 4
4 2 D Q 6
DQ15/A-1
4 1 D Q 1 3
4 0 D Q 5 CE
3 9 D Q 1 2
OE
3 8 D Q 4
3 7 V
D D
BYTE
3 6 D Q 1 1
3 5 D Q 3
WE
3 4 D Q 1 0
3 3 D Q 2
RDY/BSY
D Q 9
3 2
3 1 D Q 1
RESET
D Q 8
3 0
2 9 D Q 0
N.C.
O E
2 8
V
2 7
S S
V
DD
C E
2 6
A 0
2 5
Vss
D 0
V c c
2
Q 0
Q 1
D
Q 2
Q 3
1 1
Q 4
L E
Q 5
1
Q 6
O E
Q 7
L E
4 4 A 5
A 6
4 3
4 2 A 7
A0~A15
4 1 O E
U B
4 0
I/O1~I/O16
3 9 L B
3 8 I / O 1 6
CE
3 7
I / O 1 5
WE
3 6 I / O 1 4
3 5 I / O 1 3
OE
3 4
G N D
3 3 V LB, UB
D D
3 2
I / O 1 2
V
DD
3 1
I / O 1 1
3 0 I / O 1 0
GND
2 9
I / O 9
N.C.
2 8
N . U .
2 7 A 8
N.U.
2 6
A 9
2 5
A 1 0
2 4
A 1 1
2 3
N . C .
Symbol Function
Address input
Data in/output
Data in/output/Address input
Chip enable input
Output enable input
Word/byte select input
Write enable input
Ready/busy output
Hardware reset input
No connection
Power
GND
D 1 D 2 D 3 D 4
3 4 6 5
D D D D
Q Q Q Q
L L L L
1 9 1 8 1 7 1 6
Q 2
Q 0 Q 1 Q 3
Symbol Function
Address input
Data in/output
Chip enable input
Write enable input
Output buffer control input
Data byte control input
Power terminal (3.3V)
GND
No connection
Unusable (input)
AVR-4802/AVC-A11SR AVR-4802
D 5 D 6 D 7
7 8 9
D D D
Q Q Q Q
L L L
L
1 5 1 4 1 3 1 2
Q 4 Q 5 Q 6 Q 7
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