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550 参数 Datasheet PDF下载

550图片预览
型号: 550
PDF下载: 下载PDF文件 查看货源
内容描述: 奔腾4处理器,支持超线程技术 [Pentium 4 Processors Supporting Hyper-Threading Technology]
分类和应用:
文件页数/大小: 96 页 / 1585 K
品牌: INTEL [ INTEL ]
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Electrical Specifications  
2.12  
V Overshoot Specification  
CC  
The Pentium 4 processor in the 775-land package can tolerate short transient overshoot events  
where V exceeds the VID voltage when transitioning from a high to low current load condition.  
CC  
This overshoot cannot exceed VID + VOS_MAX (VOS_MAX is the maximum allowable overshoot  
voltage). The time duration of the overshoot event must not exceed TOS_MAX (TOS_MAX is the  
maximum allowable time duration above VID). These specifications apply to the processor die  
voltage as measured across the VCC_SENSE and VSS_SENSE lands.  
Table 2-17. V Overshoot Specifications  
CC  
Symbol  
Parameter  
Min  
Typ  
Max  
Unit  
Figure  
Magnitude of VCC  
overshoot above VID  
VOS_MAX  
0.050  
V
2-4  
Time duration of VCC  
overshoot above VID  
TOS_MAX  
25  
µs  
2-4  
Figure 2-4. V Overshoot Example Waveform  
CC  
Example Overshoot Waveform  
VOS  
VID + 0.050  
VID  
TOS  
Time  
TOS: Overshoot time above VID  
VOS: Overshoot above VID  
NOTES:  
1. VOS is measured overshoot voltage.  
2. TOS is measured time duration above VID.  
2.12.1  
Die Voltage Validation  
Overshoot events from application testing on real processors must meet the specifications in  
Table 2-17 when measured across the VCC_SENSE and VSS_SENSE lands. Overshoot events that  
are < 10 ns in duration may be ignored. These measurements of processor die level overshoot  
should be taken with a 100 MHz bandwidth limited oscilloscope. Refer to the Voltage Regulator  
Down (VRD) 10.1 Design Guide For Desktop LGA775 Socket for additional voltage regulator  
validation details.  
Datasheet  
33  
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