33
RX-V396/RX-V396RDS/HTR-5230/HTR-5230RDS
IC7 : LP61256GS-8Q (256K SRAM)
32768-word x 8-bit High Speed Static RAM
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VCC
/WE
A13
A8
A9
A11
/OE
A10
/CS
D7
D6
D5
D4
D3
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ROW INPUT
BUFFER
TOP VIEW
A5
5
A0
10
A6
4
A7
3
A9
24
A10
21
A11
23
A12
2
A1
9
A2
8
A3
7
A4
6
A8
25
A13
26
A14
1
28
14
11
12
13
15
16
17
18
VCC
GND
D0
D1
D2
D3
D4
D5
D6
D7
19
/CS
20
/WE
27
/OE
22
ROW ADDRESS
DECODER
32768-word x 8-bit
MEMORY ARRAY
(256-row X 1024-column)
COLUMN I/O
I/O DATA CONTROL
COLUMN ADDRESS
DECODER
COLUMN INPUT
BUFFER
CHIP SELECT
WRITE CONTROL
OUTPUT CONTROL
NOTE)
A0-A14:
Address input
D0-D7:
Data input/output
/CS:
Chip select input
/OE:
Output enable input
/WE:
Write enable input