參數(shù)資料
型號： K4J52324QC-BC14
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 512Mbit GDDR3 SDRAM
中文描述： 512MB的GDDR3 SDRAM的
文件頁數(shù)： 19/57頁
文件大小： 1246K
代理商： K4J52324QC-BC14
- 19 -
Rev 1.0 (Mar 2005)
512M GDDR3 SDRAM
K4J52324QC-B
Clock frequency change sequence during the device operation
NOP
NOP
NOP
NOP
NOP
NOP
PRE
MRS
PRE
NOP
AR
NOP
tFCHG
tRP
Frequency
Change
All Banks
Precharge
DLL
Reset
tMRD
All Banks
Precharge
20tCK (DLL locking time)
CK
CK
CMD
～
～
～
～
～
～
Both existing tCK and desired tCK are in DLL-On mode
- Change frequency from existing frequency to desired frequency
- Issue Precharge All Banks command
- Issue MRS command to reset the DLL while other fields are valid and required 20K tCK to lock the DLL
- Issue Precharge All Banks command. Issue at least Auto-Refresh command
Existing tCK is in DLL-on mode while desired tCK is in DLL-off mode
- Issue Precharge All Banks command
- Issue EMRS command to disable the DLL
- Issue Precharge All Banks command
- Change the frequency from existing to desired.
- Issue Auto-Refresh command at least two. Issue MRS command
EMRS
PRE
PRE
NOP
NOP
NOP
AR
MRS
NOP
NOP
NOP
NOP
tFCHG
Frequency
Change
CK
CK
CMD
～
～
～
tRP
All Banks
Precharge
DLL
OFF
tMRD
All Banks
Precharge
～
Clock frequency change in case existing tCK is in DLL-off mode while desired tCK is in DLL-on mode
- Issue Precharge All Banks command and issue EMRS command to disable the DLL.
- Issue Precharge All Banks command.
- Change the clock frequency from existing to desired
- Issue Precharge All Banks command.
- Issue EMRS command to enable the DLL
- Issue MRS command to reset the DLL and required 20K tCK to lock the DLL.
- Issue Precharge All Banks command.
- Issue Auto-Refresh command at least two
EMRS
PRE
PRE
NOP
NOP
NOP
PRE
EMRS
MRS
PRE
NOP
AR
tFCHG
tRP
Frequency
Change
All Banks
Precharge
DLL
On
tMRD
All Banks
Precharge
20tCK (DLL locking time)
CK
CK
CMD
～
～
～
～
～
～
DLL
Reset
tMRD
tRP
All Banks
Precharge
DLL
OFF
tMRD
All Banks
Precharge
～
～
～
～
～
相關(guān)PDF資料
PDF描述
K4J52324QC-BC16 512Mbit GDDR3 SDRAM
K4J52324QC-BC20 512Mbit GDDR3 SDRAM
K4J52324QC-BJ12 512Mbit GDDR3 SDRAM
K4J52324QC-BJ14 512Mbit GDDR3 SDRAM
K4M281633F 2M x 16Bit x 4 Banks Mobile SDRAM in 54FBGA
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
K4J52324QC-BC14000 制造商:Samsung Semiconductor 功能描述:GDDR3 SDRAM X32 BOC LEAD PART 10W - Trays
K4J52324QC-BC16 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:512Mbit GDDR3 SDRAM
K4J52324QC-BC20 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:512Mbit GDDR3 SDRAM
K4J52324QC-BJ12 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:512Mbit GDDR3 SDRAM
K4J52324QC-BJ14 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:512Mbit GDDR3 SDRAM
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