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TUSB8040_1110 Datasheet(PDF) 28 Page - Texas Instruments |
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TUSB8040_1110 Datasheet(HTML) 28 Page - Texas Instruments |
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28 / 33 page  TUSB8040 SLLSE42F – SEPTEMBER 2010 – REVISED OCTOBER 2011 www.ti.com 6.4 3.3-V I/O ELECTRICAL CHARACTERISTICS over operating free-air temperature range (unless otherwise noted) PARAMETER OPERATION TEST CONDITIONS MIN MAX UNIT VIH High-level input voltage(1) VDD33 2 VDD33 V 0 0.8 VIL Low-level input voltage(1) VDD33 V JTAG pins only 0 0.55 VI Input voltage 0 VDD33 V VO Output voltage(2) 0 VDD33 V tt Input transition time (trise and tfall) 0 25 ns Vhys Input hysteresis(3) 0.13 x VDD33 V VOH High-level output voltage VDD33 IOH = -4 mA 2.4 V VOL Low-level output voltage VDD33 IOL = 4 mA 0.4 V IOZ High-impedance, output current(2) VDD33 VI = 0 to VDD33 ±20 µA High-impedance, output current with IOZP internal pullup or pulldown VDD33 VI = 0 to VDD33 ±225 µA resistor(4) II Input current(5) VDD33 VI = 0 to VDD33 ±15 µA (1) Applies to external inputs and bidirectional buffers. (2) Applies to external outputs and bidirectional buffers. (3) Applies to GRSTz. (4) Applies to pins with internal pullups/pulldowns. (5) Applies to external input buffers. 6.5 HUB INPUT SUPPLY CURRENT over operating free-air temperature range (unless otherwise noted) PARAMETER CONDITION MIN TYP MAX UNIT US: SuperSpeed and high-speed, DS: 4 ports actively transmitting data at 775 850 925 SuperSpeed US: SuperSpeed and High-speed, 500 565 630 DS: no DS connections US: High-Speed, DS: 4 ports actively transmit-ting data at 490 540 590 VDD11 mA high-speed US: High-Speed, 475 525 575 DS: 4 ports connected at high-speed and idle US: High-Speed, 420 440 460 DS: no DS connections US: High-Speed (SUSPEND MODE), 400 420 450 DS: no DS connections IDD Supply current US: SuperSpeed and high-speed, DS: 4 ports actively transmitting data at 105 120 135 SuperSpeed US: SuperSpeed and High-speed, 105 120 135 DS: no DS connections US: High-Speed, DS: 4 ports actively transmit-ting data at 105 120 135 VDD33 mA high-speed US: High-Speed, 105 120 135 DS: 4 ports connected at high-speed and idle US: High-Speed, 105 120 135 DS: no DS connections US: High-Speed (SUSPEND MODE), 55 60 65 DS: no DS connections 28 ELECTRICAL SPECIFICATIONS Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TUSB8040 |
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