參數(shù)資料
型號(hào): V55C3256164VGLK-7HPC
廠商: PROMOS TECHNOLOGIES INC
元件分類: DRAM
英文描述: SYNCHRONOUS DRAM, PBGA54
封裝: GREEN, MO-210, FBGA-54
文件頁(yè)數(shù): 44/55頁(yè)
文件大?。?/td> 711K
代理商: V55C3256164VGLK-7HPC
49
V55C3256164VG Rev. 1.0 September 2008
ProMOS TECHNOLOGIES
V55C3256164VG
26
V56C2256324SA Rev. 1.0 December 2003
ProMOS TECHNOLOGIES
V56C2256324SA
'HHS 3RZHU 'RZQ ([LW
The deep power down mode is exited by asserting CKE high. After the exit, the following sequence is needed
to enter a new command:
1. Maintain NOP input conditions for a minimum of 200 us
2. Issue precharge commands for all banks of the device
3. Issue eight or more autorefresh commands
4. Issue a mode register set command to initialize the mode register
5. Issue an extended mode register set command to initialize the extende mode register
CLK
CKE
CS
RAS
CAS
WE
tRP
All banks
200
us
Au to
Deep Power Do wn
Auto
tRC
Mode
exi t
precharge
refresh
Register
Set
Exte nded
Mode
Regis ter
Set
New
Com mand
Accepted
Here
Deep Power Down Mode Exit
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