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參數(shù)資料
| 型號： | EBD51RC4AKFA-E |
| 廠商： | Elpida Memory, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:55; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-35 RoHS Compliant: No |
| 中文描述： | 注冊512MB的DDR SDRAM的內(nèi)存（6400字× 72位，1個等級） |
| 文件頁數(shù)： | 14/19頁 |
| 文件大小： | 198K |
| 代理商： | EBD51RC4AKFA-E |
EBD51RC4AKFA
Data Sheet E0377E20 (Ver. 2.0)
14
Timing Parameter Measured in Clock Cycle for Registered DIMM
Number of clock cycle
tCK
6ns
7.5ns
Parameter
Symbol
min.
max.
min.
max.
Unit
Write to pre-charge command delay
(same bank)
Read to pre-charge command delay
(same bank)
Write to read command delay (to input
all data)
Burst stop command to write command
delay
(CL = 3)
tWPD
4 + BL/2
—
3 + BL/2
—
tCK
tRPD
BL/2
—
BL/2
—
tCK
tWRD
2 + BL/2
—
2 + BL/2
—
tCK
tBSTW
—
—
2
—
tCK
(CL = 3.5)
tBSTW
3
—
3
—
tCK
Burst stop command to DQ High-Z
(CL = 3)
(CL = 3.5)
tBSTZ
—
—
3
3
tCK
tBSTZ
3.5
3.5
3.5
3.5
tCK
Read command to write command
delay (to output all data)
(CL = 3)
tRWD
—
—
2 + BL/2
—
tCK
(CL = 3.5)
tRWD
3 + BL/2
—
3 + BL/2
—
tCK
Pre-charge command to High-Z
(CL = 3)
tHZP
—
—
3
3
tCK
(CL = 3.5)
tHZP
3.5
3.5
3.5
3.5
tCK
Write command to data in latency
tWCD
2
2
2
2
tCK
Write recovery
tWR
2
1
—
tCK
Register set command to active or
register set command
tMRD
2
—
2
—
tCK
Self refresh exit to non-read command tSNR
12
—
10
—
tCK
Self refresh exit to read command
tSRD
200
—
200
—
tCK
Power down entry
tPDEN
1
1
1
1
tCK
Power down exit to command input
tPDEX
1
—
1
—
tCK
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| EBD51RD8ABFA | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512MB Registered DDR SDRAM DIMM |
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