Sony BKDS-PA3291, Руководство по обслуживанию

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6-3
BVS-A3232/V3232
IC
1 2 3 4 5 6 7 8
16 15 14 13
EN2
12 11 10 9
– + – +
+ – – +
GND
Vcc
(+5v)
FUNCTION TABLE
EN2
0
0
1
1
EN1
0
1
0
1
OUTPUT
ENABLE
ENABLE
HI-Z
ENABLE
C32/LS32
LS33
SENSE
±200mV
±500mV
INPUT VOLT
±7V
±15V
0 ; LOW LEVEL
1 ; HIGH LEVEL
HI-Z ; HIGH IMPEDANCE
HIGH SPEED DIFFERENTIAL LINE RECEIVER
—TOP VIEW—
AM26C32CN (TI)
1 16
15
14
13
12
11
10
9
2
3
4
5
6
7
8
V
CC
(+5V)
V
CC (+5V)
V
EE
(–5V or GND)
GND
A
IN
A
OUT
SR A
IN
B
OUT
SR B
IN
SR C
IN
C
OUT
D
OUT
SR D
IN
B
IN
MC
IN
C
IN
D
IN
16
2
13
3
12
6
9
7
SR A
AI
SR B
BI
SR C
CI
SR D
DI
15
14
11
10
AO
BO
CO
DO
4
MC
MC
SR
;
;
MODE CONTROL
SLEW RATE CONTROL
MC = 1 MC = 0
SR A
AO
BO
CO
DO
SR B
AI
BI
SR C
SR D
CI
DI
16
15
14
11
10
15
14
11
10
2
3
13
3
13
12
6
12
6
7
9
SR A
(AO)
(CO)
BO
AO
CO
DO
SR B
AI
BI
SR C
SR D
SR
SR
SR
SR
CI
DI
16
16
15
14
15
14
11
11
10
10
2
2
3
3
13 13
12
12
6
6
7 7
9 9
7
9
16
2
4
4
MC
MC
SR
SR
SR
SR
(STROBE A)
(STROBE D)
STROBE
STROBE
MC
0
0
0
STROBE
0
0
1
A & D
0
1
X
A & D
0
1
HI-Z
B & C
1
0
HI-Z
INPUTS
INPUTS
MC
1
1
A TO D
0
1
A TO D
0
1
OUTPUTS
OUTPUTS
0
1 ;
; LOW LEVEL
HIGH LEVEL X; DON'T CARE
HI-Z; HIGH IMPEDANCE
LINE DRIVER
—TOP VIEW—
AM26LS30PC (ADVANCED MICRO DEVICES)
1
2
3
4
5
6
7
8
9
10
ST
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
INPUT 6
INPUT 7
INPUT 8
20
19
18
17
16
15
14
13
12
11
NC
GND
V
CC
(+5V)
OUTPUT 1
OUTPUT 2
OUTPUT 3
OUTPUT 4
OUTPUT 5
OUTPUT 6
OUTPUT 7
OUTPUT 8
2
3
4
5
6
7
8
9
ST
ST
19
18
17
16
15
14
13
12
–TOP VIEW–
LARGE CURRENT DRIVER
1
BA6212 (ROHM)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A14
IN
A12
IN
A7
IN
A6
IN
A5
IN
A4
IN
A3
IN
A2
IN
A1
IN
A0
IN
I/O 0
I/O 1
I/O 2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
V
DD
(+5V)
WE
IN
A13
IN
A8
IN
A9
IN
A11
IN
OE
IN
A10
IN
CE
IN
I/O 7
I/O 6
I/O 5
I/O 4
I/O 3
A0–A14
I/O0–I/O7
CE
OE
WE
; ADDRESS INPUTS
; DATA INPUTS/OUTPUTS
; CHIP ENABLE INPUT
; OUTPUT ENABLE INPUT
; WRITE ENABLE INPUT
10
9
8
7
6
5
4
3
25
24
21
23
2
26
1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
WE
27
OE
22
CE
11
12
13
15
16
17
18
19
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
–TOP VIEW–
C-MOS 32K X 8 NONVOLATILE SRAM
OE
20 22
WE
POWER CONTROL
LITHIUM CELL
CE
27
A0–A14
1~10, 21, 23~26
DQ0–DQ7
11~13, 15~19
32k X 8
SRAM
BLOCK
CE
20
POWER FAIL
CONTROL
BQ4011YMA-100 (BENCHMARQ)