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參數(shù)資料
| 型號(hào)： | μPD45D128164 |
| 廠商： | NEC Corp. |
| 英文描述： | 128 M-bit Synchronous DRAM with Double Data Rate(128 同步動(dòng)態(tài)RAM) |
| 中文描述： | 128 M位同步雙數(shù)據(jù)速率（128同步動(dòng)態(tài)RAM的內(nèi)存） |
| 文件頁數(shù)： | 18/80頁 |
| 文件大?。?/td> | 637K |
| 代理商： | ΜPD45D128164 |
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18
μ
PD45D128442, 45D128842, 45D128164
Preliminary Data Sheet
(2/3)
Current state
/CS /RAS /CAS /WE
Address
Command
Action
Notes
Read with auto
H
x
x
x
x
DESL
Nop (Precharge after burst end)
precharge
L
H
H
H
x
NOP
Nop (Precharge after burst end)
L
H
H
L
x
BST
ILLEGAL
L
H
L
H
BA, CA, A10 READ/READA ILLEGAL
L
H
L
L
BA, CA, A10 WRIT/WRITA
ILLEGAL
L
L
H
H
BA, RA
ACT
ILLEGAL
2
L
L
H
L
BA, A10
PRE/PALL
ILLEGAL
2
L
L
L
H
x
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
L
L
L
L
Op-Code
EMRS
ILLEGAL
Write with
H
x
x
x
x
DESL
Nop (Idle after t
DAL
)
auto precharge
L
H
H
H
x
NOP
Nop (Idle after t
DAL
)
L
H
H
L
x
BST
ILLEGAL
L
H
L
H
BA, CA, A10 READ/READA ILLEGAL
L
H
L
L
BA, CA, A10 WRIT/WRITA
ILLEGAL
L
L
H
H
BA, RA
ACT
ILLEGAL
2
L
L
H
L
BA, A10
PRE/PALL
ILLEGAL
2
L
L
L
H
x
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
L
L
L
L
Op-Code
EMRS
ILLEGAL
Precharge
H
x
x
x
x
DESL
Nop (Idle after t
RP
)
L
H
H
H
x
NOP
Nop (Idle after t
RP
)
L
H
H
L
x
BST
ILLEGAL
2
L
H
L
H
BA, CA, A10 READ/READA ILLEGAL
2
L
H
L
L
BA, CA, A10 WRIT/WRITA
ILLEGAL
2
L
L
H
H
BA, RA
ACT
ILLEGAL
2
L
L
H
L
BA, A10
PRE/PALL
Nop (Idle after t
RP
)
3
L
L
L
H
x
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
L
L
L
L
Op-Code
EMRS
ILLEGAL
Row activating
H
x
x
x
x
DESL
Nop (Row active after t
RCD
)
L
H
H
H
x
NOP
Nop (Row active after t
RCD
)
L
H
H
L
x
BST
ILLEGAL
2
L
H
L
H
BA, CA, A10 READ/READA ILLEGAL
2
L
H
L
L
BA, CA, A10 WRIT/WRITA
ILLEGAL
2
L
L
H
H
BA, RA
ACT
ILLEGAL
2
L
L
H
L
BA, A10
PRE/PALL
ILLEGAL
2
L
L
L
H
x
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
L
L
L
L
Op-Code
EMRS
ILLEGAL
L
L
L
L
Op-Code
SRS
ILLEGAL
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| μPD45D128442 | 128 M-bit Synchronous DRAM with Double Data Rate(128 同步動(dòng)態(tài)RAM) |
| μPD45D128842 | 128 M-bit Synchronous DRAM with Double Data Rate(128 同步動(dòng)態(tài)RAM) |
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