參數(shù)資料
型號: HY5DU12822ALT-X
廠商: Hynix Semiconductor Inc.
英文描述: 512Mb DDR SDRAM
中文描述: 產(chǎn)品512Mb DDR SDRAM
文件頁數(shù): 18/33頁
文件大?。?/td> 379K
代理商: HY5DU12822ALT-X
Rev. 0.0/Feb. 2003 18
HY5DU12422A(L)T
HY5DU12822A(L)T
HY5DU121622A(L)T
7.
Issue 2 or more Auto Refresh commands.
8.
Issue a Mode Register Set command to initialize the mode register with bit A8 = Low
Power-Up Sequence
/CLK
CLK
VDD
DQS
DQ’s
MRS
AREF
PRE
NOP
MRS
EMRS
PRE
NOP
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
VDDQ
VREF
CKE
CMD
BA0,BA1
A10
ADDR
DM
tVTD
T=200usec
tMRD
200 cycles of CK*
tRP
tRFC
Power up
VDD and CK stable
Precharge All
EMRS Set
MRS Set
Reset DLL
(with A8=H)
Precharge All
2 or more
Auto Refresh
MRS Set
(with A8=L)
*200 cycles of CK are required (for DLL locking) before any executable command can be applied.
VTT
tRP
tIS tIH
相關(guān)PDF資料
PDF描述
HY5DU12822AT-X 512Mb DDR SDRAM
HY5DU121622CTP 512Mb(32Mx16) GDDR SDRAM
HY5DU121622CTP-4 512Mb(32Mx16) GDDR SDRAM
HY5DU121622CTP-5 512Mb(32Mx16) GDDR SDRAM
HY5DU121622CTP-6 512Mb(32Mx16) GDDR SDRAM
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參數(shù)描述
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