HM51W16165 Series, HM51W18165 Series
Pin Arrangement
HM51W18165J/LJ Series
HM51W18165TT/LTT Series
V
V
1
2
3
4
5
6
7
8
CC
50
49
48
47
46
45
44
43
42
41
40
SS
V
1
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
V
SS
CC
I/O0
I/O1
I/O2
I/O3
I/O15
I/O14
I/O13
I/O12
I/O0
I/O1
I/O2
I/O3
2
I/O15
I/O14
I/O13
I/O12
3
4
5
V
V
CC
SS
V
I/O4
I/O5
I/O6
I/O7
NC
6
V
I/O11
I/O10
I/O9
I/O8
NC
CC
SS
I/O4
I/O5
I/O6
I/O7
NC
NC
WE
RAS
NC
NC
A0
7
I/O11
I/O10
I/O9
I/O8
NC
8
9
10
11
9
10
11
12
13
14
15
16
17
18
19
20
21
LCAS
UCAS
OE
NC
NC
WE
RAS
NC
NC
A0
A1
A2
A3
NC
LCAS
UCAS
OE
A9
A8
A7
A6
A5
15
16
17
18
19
20
21
22
23
24
25
36
35
34
33
32
31
30
29
28
27
26
A9
A8
A7
A1
A6
A2
A5
A3
A4
A4
V
V
CC
SS
V
V
CC
SS
(Top view)
(Top view)
Pin Description
Pin name
Function
A0 to A9
Address input
— Row/Refresh address A0 to A9
— Column address
Data input/Data output
Row address strobe
A0 to A9
I/O0 to I/O15
RAS
UCAS, LCAS Column address strobe
WE
OE
VCC
VSS
NC
Read/Write enable
Output enable
Power supply
Ground
No connection
Data Sheet E0153H10
4