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XIO2000 数据表(PDF) 142 Page - Texas Instruments |
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XIO2000 数据表(HTML) 142 Page - Texas Instruments |
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142 / 150 page  Electrical Characteristics 130 November 2005 SCPS097B 7.6 Electrical Characteristics Over Recommended Operating Conditions (PCI Bus) PARAMETER OPERATION TEST CONDITIONS MIN MAX UNITS VIH High-level input voltage (Note 16) VCCP = 3.3 V 0.5 VDD_33 VCCP V VIH High-level input voltage (Note 16) VCCP = 5.0 V 0.5 VDD_33 VCCP V VIL Low-level input voltage (Note 16) VCCP = 3.3 V 0 0.3 VDD_33 V VIL Low-level input voltage (Note 16) VCCP = 5.0 V 0 0.3 VDD_33 V VI Input voltage 0 VCCP V VO Output voltage (Note 17) 0 VDD_33 V tt Input transition time (trise and tfall) 1 4 ns VOH High-level output voltage (Note 17) VDD_33 IOH = −32 mA 0.7 VDD_33 V VOL Low-level output voltage (Note 17) VDD_33 IOL = 32 mA 0.18 VDD_33 V IOZ High-impedance, output current (Note 17) VCCP = 3.3 V VI = 0 to VCCP ±10 A IOZ High-impedance, output current (Note 17) VCCP = 5.0 V VI = 0 to VCCP ±70 µA II Input current (Note 16) VCCP = 3.3 V VI = 0 to VCCP ±10 A II Input current (Note 16) VCCP = 5.0 V VI = 0 to VCCP ±70 µA NOTES: 16. Applies to external inputs and bidirectional buffers. 17. Applies to external outputs and bidirectional buffers. Note: This table applies to CLK, CLKOUT6:0, AD31:0, C/BE[3:0], DEVSEL, FRAME, GNT5:0, INTD:A, IRDY, PAR, PERR, REQ5:0, PRST, SERR, STOP, TRDY, SERIRQ, M66EN, and LOCK terminals. 7.7 Electrical Characteristics Over Recommended Operating Conditions (3.3-V I/O) PARAMETER OPERATION TEST CONDITIONS MIN MAX UNITS VIH High-level input voltage (Note 18) VDD_33 0.7VDD_33 VDD_33 V VIL Low-level input voltage (Note 18) VDD_33 0 0.3 VDD_33 V VI Input voltage 0 VDD_33 V VO Output voltage (Note 19) 0 VDD_33 V tt Input transition time (trise and tfall) 0 25 ns Vhys Input hysteresis (Note 21) 0.13VDD_33 V VOH High-level output voltage VDD_33 IOH = −4 mA 0.8VDD_33 V VOL Low-level output voltage VDD_33 IOL = 4 mA 0.22VDD_33 V IOZ High-impedance, output current (Note 19) VDD_33 VI = 0 to VDD_33 ±20 µA IOZP High-impedance, output current with internal pullup or pulldown (Note 22) VDD_33 VI = 0 to VDD_33 ±100 µA II Input current (Note 20) VDD_33 VI = 0 to VDD_33 ±1 µA NOTES: 18. Applies to external inputs and bidirectional buffers. 19. Applies to external outputs and bidirectional buffers. 20. Applies to external input buffers. 21. Applies to PERST, GRST, and PME. 22. Applies to GRST (pullup), EXT_ARB_EN (pulldown), CLKRUN_EN (pulldown), and most GPIO (pullup). Note: This table applies to PERST, WAKE, REFCLK_SEL, PME, CLKRUN_EN, EXT_ARB_EN, GRST, GPIO7:0, and all RSVD input terminals. |
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