參數(shù)資料
型號: HB52RF329E2
廠商: Hitachi,Ltd.
英文描述: 256 MB Registered SDRAM DIMM(256 MB 寄存同步DRAM DIMM)
中文描述: 注冊使用256 MB SDRAM的內(nèi)存(256 MB的寄存同步的DRAM內(nèi)存)
文件頁數(shù): 55/64頁
文件大?。?/td> 869K
代理商: HB52RF329E2
HB52RF329E2-75F
55
Mode Register Set Cycle
N
Burst length = 4
= V or V
IL
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CK
CKE
S
RE
CE
W
BA
Address
DQMB
Din
Dout
@
H
I
&
'
/
0
8
M
N
H
P.
/
7
@
&
'
/
%
-
.
6
>
P%
;
C
D
L
M
%
&
High-Z
b
b+3
b’
b’+1
b’+2
b’+3
l
valid
C: b’
RSA
code
lRCD
lRP
Precharge
If needed
Mode
register
Set
Bank 3
Active
Bank 3
Read
@
H
I
/
8
9
@
A
/
7
8
@
D
L
M
'
(
/
0
8
9
(
@
H
6
.
/
7
%
&
/
R: b
C: b
.
7
@
H
P
4
5
=
>
E
F
N
Output mask
V
IH
l = 3
CE
latency = 4
Burst length = 4
= V or V
IH
IL
RCD
Read Cycle/Write Cycle
/
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
R:a
C:a
R:b
C:b
C:b'
C:b"
a
a+1 a+2 a+3
b
b+1 b+2 b+3 b'
b'+1 b"
b"+1 b"+2 b"+3
CKE
RE
CE
W
S
Address
DQMB
Dout
Din
CK
BA
F
O
<
=
E
F
=
E
F
O
P
=
F
O
R:a
C:a
R:b
C:b
C:b'
C:b"
a
a+1 a+2 a+3
b
b+1 b+2 b+3 b'
b'+1 b"
b"+1b"+2 b"+3
H
I
A
J
K
8
A
I
J
8
@
A
I
A
I
J
8
@
A
I
J
I
J
@
H
I
I
J
@
I
J
9
:
B
K
0
9
:
B
0
8
9
B
0
8
9
/
0
8
A
1
9
:
0
1
9
'
0
9
0
1
9
:
'
0
>
F
G
P
4
5
=
>
F
4
5
=
F
5
>
F
G
5
=
>
F-
6
,
4
5-
5
>
,
5
>
,
4
5
>$
-
6
$
,
#$
,
5$
-
$
,-
5$
%
$
%
$
$
$
%
%
'
(
)
!
)
(
)
1
2
:
(
)
1
:
(
1
'
(
K
L
K
L
B
K
L
B
J
K
9
B
J
K
Bank 0
Active
Bank 0
Read
Bank 3
Active
Bank 3
Read
Bank 3
Read
Bank 3
Read
Bank 0
Precharge
Bank 3
Precharge
Bank 0
Bank 0
Bank 3
Bank 3
Write
Bank 3
Write
Bank 3
Write
Bank 0
Precharge
Bank 3
Precharge
CKE
RE
S
CE
W
BA
Address
DQMB
Din
Dout
High-Z
4
5
=
>
E
F
$
-
%
&
7
8
@
A
I
1
:
;
B
C
K
V
IH
V
IH
RE
-
CE
delay = 3
CE
latency = 4
Burst length = 4
= V or V
IH
IL
Write cycle
RE
-
CE
delay = 3
!
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