參數(shù)資料
型號: HYE25L256160AC
廠商: INFINEON TECHNOLOGIES AG
英文描述: 256-Mbit Mobile-RAM
中文描述: 256兆移動RAM
文件頁數(shù): 53/55頁
文件大?。?/td> 1053K
代理商: HYE25L256160AC
Data Sheet
53
V1.1, 2003-04-16
HYE25L256160AC
256-Mbit Mobile-RAM
Timing Diagrams
Figure 37
Deep Power Down Exit
Note: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
μ
s
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
CK E
CS
RAS
CAS
WE
tRP
All banks
precharge
200
s
Auto
refresh
Deep Power Down
exit
Auto
refresh
tRC
Mode
Register
Set
Extended
Mode
Register
Set
New
Command
Accepted
Here
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