Sony SX-M100, Руководство по обслуживанию

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SX-M700 6-3
CXK58257SP-10L (2/2)
A14
A13
A12
A11
A9
A8
A7
A6
A5
1
26
2
23
24
25
3
4
5
A10
A4
A3
A2
A1
A0
21
6
7
8
9
10
22
27
20
OE
WE
CE
BUFFER
BUFFER
BUFFER
ROW
DECODER
MEMORY
MATRIX
512 x 512
I/O GATE
COLUMN
DECODER
I/O
BUFFER
19
18
17
16
15
13
12
11
I/O 8
I/O 7
I/O 6
I/O 5
I/O 4
I/O 3
I/O 2
I/O 1
AT28C16-15SC(ATMEL)
CXK58257SP-10L (1/2)
IL08
**********
C-MOS 256K (32,768 x 8)-BIT STATIC RAM
–TOP VIEW–
A14
IN
A12
IN
A7
IN
A6
IN
A5
IN
A4
IN
A3
IN
A2
IN
A1
IN
A0
IN
I/O 1
I/O 2
I/O 3
WE
IN
A13
IN
A8
IN
A9
IN
A11
IN
OE
IN
A10
IN
CE
IN
I/O 8
I/O 7
I/O 6
I/O 5
I/O 4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15 GND
V
DD
(+5V)
10
11
9
8
7
6
5
4
3
25
24
21
23
2
26
1
22 27 20
A0
I/O 1
12
I/O 2
13
I/O 3
15
I/O 4
16
I/O 5
17
I/O 6
18
I/O 7
19
I/O 8
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
OE WE CE
A0-A14 ; ADDRESS INPUTS
CE ; CHIP ENABLE INPUT
I/O1-I/O8 ; DATA INPUTS/OUTPUTS
OE
; OUTPUT ENABLE INPUT
WE ; WRITE ENABLE INPUT
CE
1
0
0
0
OE
X
1
0
X
WE
X
1
1
0
MODE I/O TERMINAL
NOT SELECT
OUTPUT DISABLE
READ
WRITE
HIGH IMPEDANCE
HIGH IMPEDANCE
OUTPUT DATA
INPUT DATA
0
1
X
; LOW LEVEL
; HIGH LEVEL
; DON'T CARE
CXK58257AP-10L(SONY)
CXK58257BM-10LL(SONY)
EP330PC-15(ALTERA)