Sony BVS-A3232 Maintenance Manual page 83

Analog audio routing switcher
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CXK58257ASP-10L (SONY)
C-MOS 256K (32768x8)-BIT STATIC RAM
—TOP VIEW—
V
DD
A14
IN
1
28
(+5V)
A12
WE
IN
2
27
IN
A7
IN
3
26
A13
IN
A6
IN
4
25
A8
IN
A5
5
24
IN
A9
IN
A4
A11
IN
6
23
IN
A3
OE
IN
7
22
IN
A2
IN
8
21
A10
IN
A1
IN
9
20
CE
IN
A0
IN
10
19
I/O 8
I/O 7
I/O 1
11
18
I/O 2
I/O 6
12
17
I/O 3
13
16
I/O 5
I/O 4
14
GND
15
CE
OE
1
X
0
1
0
0
0
X
1
A14
ROW
26
A13
DECODER
2
A12
23
A11
24
BUFFER
A9
25
A8
3
MEMORY
A7
4
A6
MATRIX
5
512 X 512
A5
21
A10
6
A4
I/O GATE
7
A3
BUFFER
COLUMN
8
A2
DECODER
9
A1
10
A0
22
OE
BUFFER
27
WE
20
CE
BVS-A3232/V3232
10
A0
9
A1
8
A2
7
11
A3
I/O 1
6
12
A4
I/O 2
5
13
A5
I/O 3
4
15
A6
I/O 4
3
16
A7
I/O 5
25
17
A8
I/O 6
24
18
A9
I/O 7
21
19
A10
I/O 8
23
A11
2
A12
26
A13
1
A14
OE
WE
CE
22
27
20
A0-A14
; ADDRESS INPUTS
CE
; CHIP ENABLE INPUT
I/O1-I/O8
; DATA INPUTS/OUTPUTS
OE
; OUTPUT ENABLE INPUT
WE
; WRITE ENABLE INPUT
WE
MODE
I/O TERMINAL
X
NOT SELECT
HIGH IMPEDANCE
1
OUTPUT DISABLE
HIGH IMPEDANCE
READ
OUTPUT DATA
1
0
WRITE
INPUT DATA
0
; LOW LEVEL
1
; HIGH LEVEL
X
; DON'T CARE
19
I/O 8
18
I/O 7
17
I/O 6
16
I/O
I/O 5
15
BUFFER
I/O 4
13
I/O 3
12
I/O 2
11
I/O 1
DG408DJ (SILICONIX)
C-MOS 8-CHANNEL SINGLE-ENDED ANALOG MULTIPLEXER
–TOP VIEW–
A0
1
16
A1
EN
2
15
A2
3
V
GND
14
SS
(-15V)
V
DD
S1
4
13
(+15V)
S2
5
12
S5
S3
6
11
S6
S4
7
10
S7
D
8
9
S8
4
S1
5
S2
6
S3
7
S4
12
S5
11
S6
10
S7
9
S8
DECODERS/DRIVERS
1
A0
16
A1
15
A2
2
EN
GAL16V8B-25LP (LATTICE)
PALCE16V8H-25PC/4 (AMD/MONOLITHIC MEMORIES)
C-MOS ELECTRICALLY ERASABLE PROGRAMMABLE LOGIC DEVICE
—TOP VIEW—
1
CK
V
DD
CK
IN
1
20
(+5V)
IN 1
2
19
I/O 7
IN 2
3
18
I/O 6
4
17
IN 3
I/O 5
16
IN 4
5
I/O 4
IN 5
6
15
I/O 3
IN
IN 6
7
14
I/O 2
IN 7
8
13
I/O 1
IN 8
9
12
I/O 0
10
11
GND
OE
IN
8
D
CK
19
18
17
2
3
16
4
AND/OR
5
MACRO
I/O
LOGIC
6
CELL
15
ARRAY
7
8
14
9
13
12
OE
11
OE
IC
6-5

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