參數資料
型號: W946432AD-6
廠商: WINBOND ELECTRONICS CORP
元件分類: DRAM
英文描述: 2M X 32 DDR DRAM, 0.1 ns, PQFP100
文件頁數: 32/39頁
文件大?。?/td> 577K
代理商: W946432AD-6
W946432AD
38
Figure31:WRITE – DM OPERATION
tCK
tCH tCL
CK
CKE
NOP
tIS tIH
COMMAND
tIS tIH
A9,A10
Bank x
tIS tIH
BA0,BA1
tIS tIH
DIS AP
Col n
WRITE
ALL BANKS
ONE BANK
*Bank x
RA
BA
RA
NOP
PRE
NOP
ACT
A8
A0-A7
tIH
tDQSStDQSH
tDSH
tWPST
tWR
tRP
tWPRES
tWPRE
tDQSL
tDQSS
tDQSH
tDSS
tWPST
tWPRES
tWPRE
tDQSL
DQS
DQ
DM
DQS
DQ
DM
WRITE - DM OPERATION
DON'T CARE
DI
n
DI
n
tDQSS=min
tDQSS=max
DI n = Data IN from column n
Burst Length = 4
DIS AP = Disable Autoprecharge
* = "Don't Care", if A8 is HIGH at this point
PRE = PRECHARGE, ACT = ACTIVE, RA = Row Address, BA = Bank Address
NOP commands are shown for ease of illustration; other commands may be valid at these times
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