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521 数据表(PDF) 32 Page - Intel Corporation |
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521 数据表(HTML) 32 Page - Intel Corporation |
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32 / 96 page  32 Datasheet Electrical Specifications Table 2-13. PWRGOOD and TAP Signal Group DC Specifications Symbol Parameter Min Max Unit Notes1, 2 NOTES: 1. Unless otherwise noted, all specifications in this table apply to all processor frequencies. 2. All outputs are open drain. VHYS Input Hysteresis 200 350 mV 3 3. VHYS represents the amount of hysteresis, nominally centered about 0.5 * VTT, for all TAP inputs. VT+ Input low to high threshold voltage 0.5 * (VTT + VHYS_MIN) 0.5 * (VTT + VHYS_MAX)V 4 4. The VTT referred to in these specifications refers to instantaneous VTT. VT- Input high to low threshold voltage 0.5 * (VTT – VHYS_MAX) 0.5 * (VTT – VHYS_MIN)V 4 VOH Output High Voltage N/A VTT V 4 IOL Output Low Current — 45 mA 5 5. The maximum output current is based on maximum current handling capability of the buffer and is not specified into the test load. ILI Input Leakage Current — ± 200 µA 6 6. Leakage to VSS with land held at VTT. ILO Output Leakage Current — ± 200 µA - RON Buffer On Resistance 7 12 Ω - Table 2-14. VTTPWRGD DC Specifications Symbol Parameter Min Typ Max Unit Notes VIL Input Low Voltage — — 0.3 V VIH Input High Voltage 0.9 — — V Table 2-15. BSEL [2:0] and VID[5:0] DC Specifications Symbol Parameter Max Unit Notes1, 2 NOTES: 1. Unless otherwise noted, all specifications in this table apply to all processor frequencies. 2. These parameters are not tested and are based on design simulations. R ON (BSEL) Buffer On Resistance 60 Ω — R ON (VID) Buffer On Resistance 60 Ω — IOL Max Land Current 8 mA — ILO Output Leakage Current 200 µA 3 3. Leakage to VSS with land held at 2.5 V. VTOL Voltage Tolerance VTT (max) V — Table 2-16. BOOTSELECT DC Specifications Symbol Parameter Min Typ Max Unit Notes V IL Input Low Voltage — — 0.24 V 1 NOTES: 1. These parameters are not tested and are based on design simulations. V IH Input High Voltage 0.96 — — V — |
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