参数资料
型号: HY5MS5B6LF-H
厂商: HYNIX SEMICONDUCTOR INC
元件分类: DRAM
英文描述: 16M X 16 DDR DRAM, 6.5 ns, PBGA60
封装: 8 X 12 MM, 1 MM HEIGHT, 0.80 MM PITCH, FBGA-80
文件页数: 42/60页
文件大小: 676K
代理商: HY5MS5B6LF-H
Rev 0.2 / Oct. 2004
47
11Preliminary
Mobile DDR Memory 256Mbit (16Mx16bit)
The Self Refresh command is used to retain cell data in the Mobile SDRAM. In the Self Refresh mode, the Mobile SDRAM
operates refresh cycle asynchronously.
The Self Refresh command is initiated like an Auto Refresh command except CKE is disabled(Low). The Mobile DDR
can accomplish an special Self Refresh operation by the specific modes(PASR) programmed in extended mode regis-
ters. The Mobile DDR can control the refresh rate automatically by the temperature value of Auto TCSR(Temperature
Compensated Self Refresh) to reduce self refresh current and select the memory array to be refreshed by the value of
PASR(Partial Array Self Refresh). The Mobile DDR can reduce the self refresh current(IDD6) by using these two modes.
SELF REFRESH ENTRY COMMAND
CS
A0 ~ A9
A11, A12
WE
CAS
RAS
Don't Care
/CLK
CLK
CKE
BA0, 1
High-Low
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