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SM2403T-7.5 参数 Datasheet PDF下载

SM2403T-7.5图片预览
型号: SM2403T-7.5
PDF下载: 下载PDF文件 查看货源
内容描述: [Memory IC, 2MX8, CMOS, PDSO44,]
分类和应用: 时钟动态存储器静态存储器光电二极管内存集成电路
文件页数/大小: 9 页 / 188 K
品牌: RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
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16Mbit ESDRAM Family  
Clock Frequency and Latency (-6.6ns Speed Bin)  
Clock Frequency (MHz)  
Symbol  
tCK  
Parameter  
Clock Cycle Time  
66  
15  
1
75  
13.3  
1
100  
10  
2
133  
7.5  
2
150  
6.6  
2
Units  
ns  
CAS Latency  
tAA  
tCK  
tCK  
tCK  
tCK  
tCK  
tCK  
tCK  
tCK  
tCK  
tCK  
RAS to CAS Delay  
RAS Latency  
1
1
2
2
2
tRCD  
tRL  
2
2
4
4
4
Bank Cycle Time  
3
3
4
5
6
tRC  
Minimum Bank Active Time  
Precharge Time  
2
2
3
3
3
tRAS  
tRP  
1
1
2
2
2
Data-In to Precharge Time  
Data-In to Active/Refresh  
Bank to Bank Delay Time  
CAS to CAS Delay Time  
1
1
1
1
1
tDPL  
tDAL  
tRRD  
tCCD  
2
2
3
3
3
1
1
2
2
2
1
1
1
1
1
Performance Comparison at 133MHz (ESDRAM vs. SDRAM*)  
Page Open  
Page Closed  
ESDRAM  
2-1-1-1  
6-1-1-1  
1-1-1-1  
5-1-1-1  
SDRAM  
4-1-1-1  
8-1-1-1  
1-1-1-1  
9-1-1-1  
ESDRAM  
2-1-1-1  
4-1-1-1, 2-1-1-1  
illegal  
SDRAM  
illegal  
7-1-1-1, 9-1-1-1  
illegal  
3-1-1-1, 9-1-1-1  
Read Page Hit  
Read Page Miss  
Write Page Hit  
Write Page Miss  
2-1-1-1, 5-1-1-1  
* Assumes SDRAM has fast enough clock access time to satisfy 133MHz system bus.  
Rev. 2.4  
7
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