Sony DSR-1 Service Manual page 143

M5M51T08AVP-10VSL (MITSUBISHI)
C-MOS STATIC RAM 1M ( 131,072x8 ) -BIT
-TOP VIEW-
A11 1
IN
A9 2
IN
A8 3
IN
A13 4
IN
W 5
IN
S2 6
IN
A15 7
IN
8 V
DD ( +3.3V )
NC 9
A16 10
IN
A14 11
IN
A12 12
IN
A7 13
IN
A6 14
IN
A5 15
IN
A4 16
IN
20 21
A0 DQ1 A0-A16 ; ADDRESS INPUTS
19 22
A1 DQ2 DQ1-DQ8 ; DATA INPUTS/OUTPUTS
18 23
DQ3
A2 OE ; OUTPUT ENABLE INPUT
17 25
A3 DQ4
S1, S2 ; CHIP SELECT INPUTS
16 26
A4 DQ5
W ; WRITE ENABLE INPUT
15 27
A5 DQ6
14 28
A6 DQ7
13 29
A7 DQ8
3
A8 S1 S2 W OE
2
A9
X 0 X X NO SELECTION
31
A10
X X X
1 1 NO SELECTION
A11
12
0 1 0 X WRITE
A12
4
A13 0 1 1 0 READ
11
A14
0 1 1 1
7
A15
10
0 ; LOW LEVEL
A16
1 ; HIGH LEVEL
32
X ; DON'T CARE
OE
30
HI-Z ; HIGH IMPEDANCE
S1
6
S2
5
W
16
A4
15
A5
14
A6
131,072 WORD
13
A7
x8-BIT
12
RAM
A12
11 ( 512x128x16 )
A14
10
A16
7
A15
4
A13
20
A0
19
A1
18
A2
17
A3
31
A10
1
A11
2
A9
3
A8
CLOCK
GEN.
5
W
30
S1
6
S2
32
OE
DSR-1/1P/V2
32 OE
IN
31 A10
IN
30 S1
IN
29 DQ8
I/O
28 DQ7
I/O
27 DQ6
I/O
26 DQ5
I/O
25 DQ4
I/O
GND 24
23 DQ3
I/O
22 DQ2
I/O
21 DQ1
I/O
20 A0
IN
19 A1
IN
18 A2
IN
17 A3
IN
MODE DQ I
CC
HI-Z STANDBY
HI-Z STANDBY
D OPERATION
IN
D OPERATION
OUT
HI-Z OPERATION
21
DQ1
22
DQ2
23
DQ3
25
DQ4
26
DQ5
27
DQ6
28
DQ7
29
DQ8
M5M5256CVP10VXV (MITSUBISHI)
M5M5256CVP-10VXL
C-MOS 32768 WORDX8-BIT STATIC RAM
-TOP VIEW-
OE 22
IN
A11 23
IN
A9 24
IN
A8 25
IN
A13 26
IN
WE 27
IN
28 V
DD ( +3.3V )
A14 1
IN
A12 2
IN
A7 3
IN
A6 4
IN
A5 5
IN
A4 6
IN
A3 7
IN
10 11
A0 DQ1
9 12
A0-A14 ; ADDRESS INPUTS
A1 DQ2
8 13 CS ; CHIP SELECT INPUT
A2 DQ3
DQ1-DQ8 ; DATA INPUTS/OUTPUTS
7 15
A3 DQ4
OE ; OUTPUT ENABLE INPUT
6 16
A4 DQ5 WE ; WRITE ENABLE INPUT
5 17
A5 DQ6
4 18
A6 DQ7
3 19
A7 DQ8
25
A8
24
A9
21
A10
23
A11
2
A12
26
A13
1
A14
20
CS
22
OE
27
WE
25
A8
26
A13
1
A14
32768 WORD
2
A12 X8-BIT
3
RAM
A7
(512X512)
4
A6
5
A5
6
A4
7
A3
8
A2
9
A1
10
A0
21
A10
23
A11
24
CLOCK
A9
GEN.
27
WE
20
CS
22
OE
IC
21 A10
IN
20 CS
IN
19 DQ8
I/O
18 DQ7
I/O
17 DQ6
I/O
16 DQ5
I/O
15 DQ4
I/O
GND 14
13 DQ3
I/O
12 DQ2
I/O
11 DQ1
I/O
10 A0
IN
9 A1
IN
8 A2
IN
11
DQ1
12
DQ2
13
DQ3
15
DQ4
16
DQ5
17
DQ6
18
DQ7
19
DQ8
14-29