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3000 Scheda tecnica(PDF) 22 Page - Intel Corporation |
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3000 Scheda tecnica(HTML) 22 Page - Intel Corporation |
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22 / 102 page ![]() Electrical Specifications 24 Dual-Core Intel® Xeon® Processor 3000 Series Datasheet 2.6.3 VCC Overshoot The processor can tolerate short transient overshoot events where VCC exceeds the VID voltage when transitioning from a high to low current load condition. 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. Notes: 1. VOS is measured overshoot voltage. 2. TOS is measured time duration above VID. 2.6.4 Die Voltage Validation Overshoot events on processor must meet the specifications in Table 2-7 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 must be taken with a bandwidth limited oscilloscope set to a greater than or equal to 100 MHz bandwidth limit. Table 2-7. VCC Overshoot Specifications Symbol Parameter Min Max Unit Figure Notes VOS_MAX Magnitude of VCC overshoot above VID — 50 mV 2-3 1 Notes: 1. Adherence to these specifications is required to ensure reliable processor operation. TOS_MAX Time duration of VCC overshoot above VID — 25 μs 2-3 1 Figure 2-3. VCC Overshoot Example Waveform Example Overshoot Waveform 0 5 10 15 20 25 Time [us] VID - 0.000 VID + 0.050 VOS TOS TOS: Overshoot time above VID VOS: Overshoot above VID |
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