參數(shù)資料
型號(hào)： M2V56S20AKT
廠商： Mitsubishi Electric Corporation
英文描述： 256M Synchronous DRAM
中文描述： 256M同步DRAM
文件頁(yè)數(shù)： 26/49頁(yè)
文件大?。?/td> 244K
代理商： M2V56S20AKT
Feb.2000
MITSUBISHI LSIs
MITSUBISHI ELECTRIC
SDRAM (Rev.1.1)
Single Data Rate
M2V56S20/ 30/ 40/ TP -6, -7, -8
256M Synchronous DRAM
26
SELF REFRESH
Self-refresh mode is entered by issuing a REFS command (/CS= /RAS= /CAS= L, /WE= H, CKE= L).
Once the self-refresh is initiated, it is maintained as long as CKE is kept low. During the self-refresh
mode, CKE is asynchronous and the only enabled input. All other inputs including CLK are disabled and
ignored, so that power consumption due to synchronous inputs is saved. To exit the self-refresh,
supplying stable CLK inputs, asserting DESEL or NOP command and then asserting CKE=H. After
tRFC from the 1st CLK edge following CKE=H, all banks are in idle state and a new command can be
issued, but DESEL or NOP commands must be asserted till then.
Self-Refresh
CLK
/CS
/RAS
/CAS
/WE
CKE
A0-12
BA0-1
Self Refresh Entry
Self Refresh Exit
X
00
new command
minimum tRFC
for recovery
Stable CLK
NOP
相關(guān)PDF資料
PDF描述
M2V56S20ATP 256M Synchronous DRAM
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M2V56S20AKT-5 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:256M Synchronous DRAM
M2V56S20AKT-6 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:256M Synchronous DRAM
M2V56S20AKT-7 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:256M Synchronous DRAM
M2V56S20ATP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:256M Synchronous DRAM
M2V56S20ATP-5 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:256M Synchronous DRAM
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