參數(shù)資料
型號(hào): M52D32321A-10BG
廠商: ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC
元件分類: DRAM
英文描述: 512K x 32Bit x 2Banks Synchronous DRAM
中文描述: 1M X 32 SYNCHRONOUS DRAM, 8 ns, PBGA90
封裝: 8 X 13 MM, LEAD FREE, BGA-90
文件頁數(shù): 27/29頁
文件大?。?/td> 707K
代理商: M52D32321A-10BG
ES MT
Mode Register Set Cycle
M52D32321A
Elite Semiconductor Memory Technology Inc.
Publication Date
:
May. 2007
Revision
:
1.3
27/29
Auto Refresh Cycle
*Both banks precharge should be completed before Mode Register Set cycle and auto refresh cycle.
MODE REGISTER SET CYCLE
*Note: 1.CS ,RAS ,CAS &
WE
activation at the same clock cycle with address key will set internal mode register.
2.Minimum 2 clock cycles should be met before new RAS activation.
3.Please refer to Mode Register Set table.
C L O C K
C K E
A D D R
Key
:Don't Care
HIGH
CS
RAS
CAS
HIGH
*Note3
Ra
*Note1
DQ
H i - Z
DQ M
1 2 3 4 5 6 0 1 2 3 4 5 6 7 8 9 10
H i - Z
*Note2
t
R C
MR S
New Command
Auto Refresh
New Command
W E
0
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