Pioneer TS4 Service Manual page 62

TS4
7 HYB3118165BST-60 (MAIN ASSY (3/6): IC3003)
EDO-DRAM
¶ Block Diagram
WE
UCAS
LCAS
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
RAS
¶ Pin Assignment
62
&
No. 2 Clock
Generator
Column
10 Address
Buffer (10)
Refresh
Controller
Refresh
Controller (10)
10
Row
Address
10 10 Decoder
Buffers (10)
No. 1 Clock
Generator
Vcc 1
2
I/O1
I/O2 3
I/O3
4
I/O4 5
Vcc 6
7
I/O5
8
I/O6
I/O7 9
10
I/O8
11
N.C.
N.C. 15
16
N.C.
WE 17
RAS 18
A11/N.C.
19
A10.N.C. 20
A0
21
A1
22
A2
23
A3
24
Vcc
25
I/O1 I/O2 I/O16
Data in Data out
Buffer Buffer
16
16
Column
10
Decoder
Sense Amplifier
I/O Gating
1024
x16
Memory Array
Row
1024
1024x1024x16
VCC
Voltage Down
Generator
VCC (internal)
50
Vss
49
I/O16
48 I/O15
47 I/O14
I/O13
46
45
Vss
44
I/O12
43 I/O11
I/O10
42
41 I/O9
40 N.C.
36
N.C.
35
LCAS
34
UCAS
33
OE
32
A9
31
A8
30 A7
A6
29
A5
28
27 A4
26
Vss
OE
16