參數資料
型號: HB52R168DB
廠商: Hitachi,Ltd.
英文描述: 128 MB Unbuffered SDRAM S.O.DIMM(128 MB 未緩沖同步DRAM S.O.DIMM)
中文描述: 128 MB的無緩沖內存的SODIMM(128 MB的未緩沖同步內存的SODIMM)
文件頁數: 21/57頁
文件大?。?/td> 860K
代理商: HB52R168DB
HB52R168DB-F
21
Current state
S
RE
CE
W
Address
Command
Operation
Write
H
×
×
×
×
×
×
DESL
Continue burst to end
L
H
H
H
NOP
Continue burst to end
L
H
H
L
BST
Burst stop on full page
L
H
L
H
BA, CA, A10
READ/READ A
Term burst and new read
L
H
L
L
BA, CA, A10
WRIT/WRIT A
Term burst and new write
L
L
H
H
BA, RA
ACTV
Other bank active
ILLEGAL on same bank*
3
L
L
H
L
BA, A10
PRE, PALL
Term burst write and precharge*
2
L
L
L
H
×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
Write with
auto-precharge
H
×
×
×
×
DESL
Continue burst to end and
precharge
L
H
H
H
×
NOP
Continue burst to end and
precharge
L
H
H
L
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READ A
ILLEGAL
L
H
L
L
BA, CA, A10
WRIT/WRIT A
ILLEGAL
L
L
H
H
BA, RA
ACTV
Other bank active
ILLEGAL on same bank*
3
L
L
H
L
BA, A10
PRE, PALL
ILLEGAL
L
L
L
H
×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
Refresh
(auto refresh)
H
×
×
×
×
DESL
Enter IDLE after t
RC
L
H
H
H
×
×
NOP
Enter IDLE after t
RC
Enter IDLE after t
RC
ILLEGAL
L
H
H
L
BST
L
H
L
H
BA, CA, A10
READ/READ A
L
H
L
L
BA, CA, A10
WRIT/WRIT A
ILLEGAL
L
L
H
H
BA, RA
ACTV
ILLEGAL
L
L
H
L
BA, A10
PRE, PALL
ILLEGAL
L
L
L
H
×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
Notes: 1. H: V
IH
. L: V
IL
.
×
: V
IH
or V
IL
.
The other combinations are inhibit.
2. An interval of t
DPL
is required between the final valid data input and the precharge command.
3. If t
RRD
is not satisfied, this operation is illegal.
相關PDF資料
PDF描述
HB52R2569E2 2 GB Registered SDRAM DIMM(2GB 寄存同步DRAM DIMM)
HB52R329E22 256 MB Registered SDRAM DIMM(256 MB 寄存同步DRAM DIMM)
HB52R329E2 256 MB Registered SDRAM DIMM(256 MB 寄存同步DRAM DIMM)
HB52RD168DB 128 MB Unbuffered SDRAM S.O.DIMM(128MB 未緩沖同步DRAM DIMM)
HB52RD328DC 256 MB Unbuffered SDRAM S.O.DIMM(256 MB 未緩沖同步DRAM S.O.DIMM)
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