hm62256b ETC-unknow, hm62256b Datasheet - Page 3

• Manufacturer Part Number: hm62256b
• Description: 256k Sram 32-kword 8-bit
• Manufacturer: ETC-unknow

Pin Arrangement (cont.)
Pin Description
Pin Name
A0 to A14
I/O0 to I/O7
CS
WE
OE
V
V
NC
CC
SS
Function
Address input
Data input/output
Chip select
Write enable
Output enable
Power supply
Ground
No connection
OE
A11
NC
A9
A8
A13
WE
V
A14
A12
A7
A6
A5
NC
A4
A3
OE
A11
A9
A8
A13
WE
V
A14
A12
A7
A6
A5
A4
A3
CC
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
22
23
24
25
26
27
28
1
2
3
4
5
6
7
HM62256BLTM Series
HM62256BLT Series
(Top view)
(Top view)
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
21
20
19
18
17
16
15
14
13
12
11
10
9
8
A10
CS
NC
I/O7
I/O6
I/O5
I/O4
I/O3
V
I/O2
I/O1
I/O0
A0
NC
A1
A2
A10
CS
I/O7
I/O6
I/O5
I/O4
I/O3
V
I/O2
I/O1
I/O0
A0
A1
A2
SS
SS
HM62256B Series
3