HM5264165F/HM5264805F/HM5264405F-75/A60/B60
Pin Arrangement (HM5264165F)
54-pin TSOP
1
2
3
4
5
6
7
8
9
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
DQ0
DQ15
VCC
Q
DQ1
DQ2
VSSQ
DQ14
DQ13
VSS
Q
DQ3
DQ4
VCC
Q
DQ12
DQ11
VCC
Q
DQ5
DQ6
VSSQ
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
DQ10
DQ9
VSS
Q
DQ7
VCC
DQML
WE
VCC
Q
DQ8
VSS
NC
DQMU
CLK
CKE
NC
CAS
RAS
CS
A13
A12
A10
A0
A11
A9
A8
A7
A1
A6
A2
A5
A3
A4
VCC
VSS
(Top view)
Pin Description
Pin name
Function
Address input
Row address
Column address A0 to A7
Bank select address A12/A13 (BS) CKE
Pin name
Function
A0 to A13
WE
Write enable
A0 to A11
DQMU/DQML Input/output mask
CLK
Clock input
Clock enable
DQ0 to DQ15 Data-input/output
VCC
Power for internal circuit
Ground for internal circuit
Power for DQ circuit
Ground for DQ circuit
No connection
CS
Chip select
VSS
RAS
CAS
Row address strobe command
Column address strobe command
VCCQ
VSSQ
NC
3
HITACHI [ HITACHI SEMICONDUCTOR ]
