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313079-001 Datasheet(PDF) 31 Page - Intel Corporation |
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313079-001 Datasheet(HTML) 31 Page - Intel Corporation |
31 / 104 page ![]() Dual-Core Intel® Xeon® Processor 5000 Series Datasheet 31 Electrical Specifications Notes: 1. Unless otherwise noted, all specifications in this table apply to all processor frequencies. 2. All outputs are open drain. 3. VHYS represents the amount of hysteresis, nominally centered about 0.5 * VTT for all PWRGOOD and TAP inputs. 4. PWRGOOD input and the TAP signal group must meet system signal quality specification in Section 3. 5. The maximum output current is based on maximum current handling capability of the buffer and is not specified into the test load. Notes: 1.Unless otherwise noted, all specifications in this table apply to all processor frequencies. 2.All outputs are open drain. 3.VIL is defined as the voltage range at a receiving agent that will be interpreted as a logical low value. 4.VIH is defined as the voltage range at a receiving agent that will be interpreted as a logical high value. 5.VIH and VOH may experience excursions above VTT. However, input signal drivers must comply with the signal quality specifications in Section 3. 6.Refer to the processor HSPICE* I/O Buffer Models for I/V characteristics. 7.The VTT referred to in these specifications refers to instantaneous VTT. 8.The maximum output current is based on maximum current handling capability of the buffer and is not specified into the test load. 9.Leakage to VSS with land held at VTT. 10.Leakage to VTT with land held at 300 mV. 11.LINT0/INTR and LINT1/NMI use GTLREF_ADD as a reference voltage. For these two signals VIH = GTLREF_ADD + (0.10 * VTT) and VIL= GTLREF_ADD - (0.10 * VTT). 2.12.1 VCC Overshoot Specification The Dual-Core Intel Xeon Processor 5000 series 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 ILI Input Leakage Current N/A ± 200 µA ILO Output Leakage Current N/A ± 200 µA RON Buffer On Resistance 7 11 Ω 5 Table 2-14. PWRGOOD Input and TAP Signal Group DC Specifications (Sheet 2 of 2) Symbol Parameter Min Max Unit Notes 1, 2 Table 2-15. GTL+ Asynchronous and AGTL+ Asynchronous Signal Group DC Specifications Symbol Parameter Min Max Unit Notes1 VIL Input Low Voltage 0.0 (0.5 * VTT) - (0.10 * VTT) V 3, 11 VIH Input High Voltage (0.5 * VTT) + (0.10 * VTT)VTT V 4, 5, 7, 11 VOH Output High Voltage 0.90*VTT VTT V2, 5, 7 IOL Output Low Current - VTT/ [(0.50*RTT_MIN)+(RON_MIN)] A8 ILI Input Leakage Current N/A ± 200 µA 9 ILO Output Leakage Current N/A ± 200 µA 10 RON Buffer On Resistance 7 11 Ω 6 Table 2-16. VTTPWRGD DC Specifications Symbol Parameter Min Max Unit VIL Input Low Voltage 0.0 0.30 V VIH Input High Voltage 0.90 VTT V |
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