參數(shù)資料
型號(hào): HY5DU561622DT
廠商: Hynix Semiconductor Inc.
英文描述: 256Mb DDR SDRAM
中文描述: 256Mb的DDR SDRAM內(nèi)存
文件頁(yè)數(shù): 13/29頁(yè)
文件大?。?/td> 236K
代理商: HY5DU561622DT
Rev. 1.0 /Oct. 2004
13
HY5DU56422D(L)T
HY5DU56822D(L)T
HY5DU561622D(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
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
CODE
NOP
PRE
MRS
EMRS
PRE
NOP
MRS
AREF
ACT
RD
VDD
VDDQ
VTT
VREF
/ CLK
CLK
CKE
CMD
DM
ADDR
A10
BA0, BA1
DQS
DQ'S
LVCMOS Low Level
tIS tIH
tVTD
T= 200usec
tRP
tMRD
tRP
tRFC
tMRD
tXSRD*
READ
Non-Read
Command
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 cycle(tXSRD) of CK are required (for DLL locking) before Read Command
tMRD
相關(guān)PDF資料
PDF描述
HY5DU56422DLT 256Mb DDR SDRAM
HY5DU56422DT 256Mb DDR SDRAM
HY5DU56822DLT 256Mb DDR SDRAM
HY5DU56822DT 256Mb DDR SDRAM
HY5DU56422BT-D4 256M-P DDR SDRAM
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參數(shù)描述
HY5DU561622DTP 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU561622DTP-H 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU561622DTP-J 制造商:SK Hynix Inc 功能描述:SDRAM, DDR, 16M x 16, 66 Pin, Plastic, TSSOP
HY5DU561622DTP-K 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU561622DTP-L 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)