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H55S1G22MFP-75 数据表(PDF) 52 Page - Hynix Semiconductor

部件名 H55S1G22MFP-75
功能描述  1Gb (32Mx32bit) Mobile SDRAM
Download  53 Pages
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制造商  HYNIX [Hynix Semiconductor]
网页  http://www.skhynix.com/kor/main.do
标志 HYNIX - Hynix Semiconductor

H55S1G22MFP-75 数据表(HTML) 52 Page - Hynix Semiconductor

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Rev 1.2 / Jun. 2008
52
11
1Gbit (32Mx32bit) Mobile SDR Memory
H55S1G(2/3)2MFP Series
Deep Power Down Mode (Continued)
Deep Power Down Mode Exit Sequence
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 200usec
2. Issue precharge commands for all banks of the device
3. Issue 8 or more auto refresh commands
4. Issue a mode register set command to initialize the mode register
5. Issue an extended mode register set command to initialize the extended mode register
The following timing diagram illustrates deep power down mode exit sequence.
CKE
CLK
CS
RAS
CAS
WE
200us
tRP
tRC
Deep Power Down
Exit
All Banks
Precharge
Auto
Refresh
Auto
Refresh
Mode
Register
Set
Extended
Mode
Register
Set
New
Command
Accepted
Here


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