HM5264165F/HM5264805F/HM5264405F-75/A60/B60
Pin Arrangement (HM5264805F)
54-pin TSOP
1
VCC
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
VSS
2
DQ0
DQ7
3
VCCQ
VSSQ
4
NC
NC
5
DQ1
DQ6
6
VSSQ
VCC
Q
7
NC
NC
8
DQ2
DQ5
9
VCCQ
VSSQ
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
NC
NC
DQ3
DQ4
VSSQ
VCC
NC
VSS
NC
DQM
CLK
CKE
NC
A11
A9
Q
NC
VCC
NC
WE
CAS
RAS
CS
A13
A12
A10
A0
A8
A7
A1
A6
A2
A5
A3
A4
VCC
VSS
(Top view)
Pin Description
Pin name
Function
Address input
Row address
Column address
Pin name
WE
Function
A0 to A13
Write enable
A0 to A11
A0 to A8
DQM
Input/output mask
Clock input
CLK
Bank select address A12/A13 (BS) CKE
Clock enable
DQ0 to DQ7
CS
Data-input/output
VCC
Power for internal circuit
Ground for internal circuit
Power for DQ circuit
Ground for DQ circuit
No connection
Chip select
VSS
RAS
Row address strobe command
Column address strobe command
VCCQ
VSSQ
NC
CAS
Data Sheet E0135H10
4