参数资料
型号: DDRSDRAM
厂商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: DDR SDRAM Specification Version 0.61
中文描述: DDR SDRAM的规格版本0.61
文件页数: 5/49页
文件大小: 750K
代理商: DDRSDRAM
- 5 of 63 -
REV. 0.61 August 9. '99
128Mb DDR SDRAM
Target
3.3.7 Write Interrupted by a Read & DM
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32
3.3.8 Write Interrupted by a Precharge & DM
3.3.9 Burst Stop
3.3.10 DM masking
3.3.11 Read With Auto Precharge
3.3.12 Write With Auto Precharge
3.3.13 Auto Refresh & Self Refresh
3.3.14 Power Down
4. Command Truth Table
33
5. Functional Truth Table
34
6. Absolute Maximum Rating
39
7. DC Operating Conditions & Specifications
7.1 DC Operating Conditions
7.2 DC Specifications 40
8. AC Operating Conditions & Timming Specification
8.1 AC Operating Conditions
8.2 AC Timming Parameters & Specification
39
39
41
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42
9. AC Operating Test Conditions
44
10. Input/Output Capacitance
44
11. IBIS: I/V Characteristics for Input and Output Buffers
45
11.1 Normal strength driver 45
11.2 Half strength driver( will be included in the future) 47
12. QFC function
QFC definition
QFC timming on Read Operation
QFC timming on Write operation with tDQSSmax
QFC timming on Write operation with tDQSSmin
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49
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