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參數(shù)資料
| 型號： | HB52F169EN |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 64 MB Unbuffered SDRAM DIMM(64 MB 未緩沖同步DRAM DIMM) |
| 中文描述： | 64 MB的無緩沖SDRAM的內(nèi)存（64 MB的未緩沖同步的DRAM內(nèi)存） |
| 文件頁數(shù)： | 36/71頁 |
| 文件大?。?/td> | 906K |
| 代理商： | HB52F169EN |
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HB52F88EM-75F, HB52F89EM-75F, HB52F168EN-75F, HB52F169EN-
36
Self-refresh exit:
When this command is executed during self-refresh mode, the SDRAM module can exit
from self-refresh mode. After exiting from self-refresh mode, the SDRAM module enters the IDLE state.
Power down exit:
When this command is executed at the power down mode, the SDRAM module can exit
from power down mode. After exiting from power down mode, the SDRAM module enters the IDLE state.
Function Truth Table
The following table shows the operations that are performed when each command is issued in each mode of
the SDRAM module. The following table assumes that CKE is high.
Current state
Precharge
S
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
RE
×
H
H
H
H
L
L
L
L
×
H
H
H
H
L
L
L
L
×
H
H
H
H
L
CE
×
H
H
L
L
H
H
L
L
×
H
H
L
L
H
H
L
L
×
H
H
L
L
H
W
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
Address
×
×
×
BA, CA, A10 READ/READ A
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
BA, A10
PRE, PALL
×
REF, SELF
MODE
MRS
×
DESL
×
NOP
×
BST
BA, CA, A10 READ/READ A
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
BA, A10
PRE, PALL
×
REF, SELF
MODE
MRS
×
DESL
×
NOP
×
BST
BA, CA, A10 READ/READ A
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
Command
DESL
NOP
BST
Operation
Enter IDLE after t
RP
Enter IDLE after t
RP
NOP
ILLEGAL*
4
ILLEGAL*
4
ILLEGAL*
4
NOP*
6
ILLEGAL
ILLEGAL
NOP
NOP
NOP
ILLEGAL*
5
ILLEGAL*
5
Bank and row active
NOP
Refresh
Mode register set
NOP
NOP
NOP
Begin read
Begin write
Other bank active
ILLEGAL on same bank*
3
Precharge
ILLEGAL
ILLEGAL
Idle
Row active
L
L
L
L
L
L
H
L
L
L
H
L
BA, A10
×
MODE
PRE, PALL
REF, SELF
MRS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HB52F89EM | 64 MB Unbuffered SDRAM DIMM(64 MB 未緩沖同步DRAM DIMM) |
| HB52R1289E22 | 1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 pcs of 64 M 】 4 Components) PC100 SDRAM |
| HB52R1289E22-A6B | 1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 pcs of 64 M 】 4 Components) PC100 SDRAM |
| HB52R1289E22-B6B | 1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 pcs of 64 M 】 4 Components) PC100 SDRAM |
| HB52R1289E22 | 1 GB Registered SDRAM DIMM(1GB 寄存同步DRAM DIMM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HB52F328DC-75B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x64 SDRAM Module |
| HB52F328DC-75BL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x64 SDRAM Module |
| HB52F328EM-75B | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256MB Unbuffered SDRAM DIMM |
| HB52F329EM-75B | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256MB Unbuffered SDRAM DIMM |
| HB52F648EN-75B | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512 MB Unbuffered SDRAM DIMM, 133 MHz Memory Bus PC133 SDRAM |
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