參數(shù)資料
型號(hào): W942508BH
英文描述: DRAM
中文描述: 內(nèi)存
文件頁(yè)數(shù): 42/45頁(yè)
文件大?。?/td> 1601K
代理商: W942508BH
W942508BH
- 42 -
Timing Waveforms, continued
Auto Refresh Cycle
CMD
CLK
CLK
PREA
AREF
AREF
CMD
NOP
NOP
NOP
t
RP
t
RFC
t
RFC
CKE has to be kept "High" level for Auto-Refresh cycle.
Active Power Down Mode Entry and Exit Timing
CMD
CLK
CLK
NOP
CMD
NOP
Exit
Entry
NOP
NOP
t
IH
t
IS
t
CK
t
IH
t
IS
CKE
Precharged Power Down Mode Entry and Exit Timing
CMD
CLK
CLK
NOP
CMD
NOP
Exit
Entry
NOP
NOP
t
IH
t
IS
t
CK
t
IH
t
IS
CKE
相關(guān)PDF資料
PDF描述
W942516BH DRAM
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