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EM48BM0884VTA-6F 参数 Datasheet PDF下载

EM48BM0884VTA-6F图片预览
型号: EM48BM0884VTA-6F
PDF下载: 下载PDF文件 查看货源
内容描述: 256MB ( 8mA的?? 4Bankà ?? 8 )同步DRAM [256Mb (8M×4Bank×8) Synchronous DRAM]
分类和应用: 动态存储器
文件页数/大小: 20 页 / 468 K
品牌: EOREX [ EOREX CORPORATION ]
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EM48BM0884VTA  
AC Operating Test Conditions  
(VDD=3.3V±0.3V)  
Item  
Conditions  
1.4V/1.4V  
Output Reference Level  
Output Load  
See diagram as below  
Input Signal Level  
Transition Time of Input Signals  
Input Reference Level  
2.4V/0.4V  
1ns  
1.4V  
AC Operating Test Characteristics  
(VDD=3.3V±0.3V)  
-6  
-7  
Symbol  
Parameter  
Clock Cycle Time  
Units  
Min. Max.  
Min.  
7
Max.  
tCK  
tAC  
tCH  
tCL  
CL=3  
CL=3  
6
-
-
-
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
tCK  
tCK  
ns  
ns  
ns  
Access Time form CLK  
CLK High Level Width  
CLK Low Level Width  
Data-out Hold Time  
5.4  
-
5.4  
2.5  
2.5  
2.5  
-
-
-
2.5  
2.5  
2.5  
-
-
-
tOH  
tHZ  
tLZ  
CL=3  
CL=3  
-
-
5.4  
-
5.4  
-
Data-out High Impedance  
Data-out Low Impedance Time  
Input Hold Time  
1
1
tIH  
1
-
1
-
tIS  
Input Setup Time  
1.5  
-
-
1.5  
-
-
tDQZ  
tMRD  
tSB  
tDS  
tDH  
DQM Data Out Disable Latency  
Mode Register Set Cycle Time  
Power Down Mode Entry Time  
Data-in Set-up Time  
2
-
2
-
2
2
0
7
-
0
7
-
1.5  
1
1.5  
1
Data-in Hold Time  
-
-
* All voltages referenced to VSS.  
Note 5: tHZ defines the time at which the output achieve the open circuit condition and is not referenced  
to output voltage levels.  
Aug. 2011  
9/20  
www.eorex.com