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TUSB2077A Datasheet(PDF) 7 Page - Texas Instruments |
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TUSB2077A Datasheet(HTML) 7 Page - Texas Instruments |
7 / 26 page TUSB2077A www.ti.com SLLS414F – MARCH 2000 – REVISED AUGUST 2015 7.5 Electrical Characteristics over recommended ranges of operating free-air temperature and supply voltage (unless otherwise noted) PARAMETER TEST CONDITION MIN MAX UNIT TTL/LVCMOS IOH = –4 mA VCC – 0.5 VOH High-level output voltage R(DRV) = 15 kΩ to GND 2.8 V USB data lines IOH = –12 mA (without R(DRV)) VCC – 0.5 TTL/LVCMOS IOL = 4 mA 0.5 VOL Low-level output voltage R(DRV) = 1.5 kΩ to 3.6 V 0.3 V USB data lines IOL = 12 mA (without R(DRV)) 0.5 TTL/LVCMOS 1.8 VIT+ Positive input threshold V Single-ended 0.8 V ≤ VICR ≤ 2.5 V 1.8 TTL/LVCMOS 0.8 VIT– Negative-input threshold V Single-ended 0.8 V ≤ VICR ≤ 2.5 V 1 TTL/LVCMOS 0.3 0.7 Input hysteresis(1) Vhys mV (VT+ – VT–) Single-ended 0.8 V ≤ VICR ≤ 2.5 V 300 500 TTL/LVCMOS V = VCC or GND (2) ±10 IOZ High-impedance output current μA USB data lines 0 V ≤ VO ≤ VCC ±10 IIL Low-level input current TTL/LVCMOS VI = GND –1 μA IIH High-level input current TTL/LVCMOS VI = VCC 1 μA z0(DRV) Driver output impedance USB data lines Static VOH or VOL 7.1 19.9 Ω VID Differential input voltage USB data lines 0.8 V ≤ VICR ≤ 2.5 V 0.2 V Normal operation 40 mA ICC Input supply current Suspend mode 1 μA (1) Applies for input buffers with hysteresis. (2) Applies for open-drain buffers. 7.6 Differential Driver Switching Characteristics (Full-Speed Mode) over recommended ranges of operating free-air temperature and supply voltage, CL = 50 pF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN MAX UNIT tr Transition rise time for DP or DM See Figure 1 and Figure 2 4 20 ns tf Transition fall time for DP or DM See Figure 1 and Figure 2 4 20 ns t(RFM) Rise/fall time matching(1) (tr/tf) × 100 90% 110% VO(CRS) Signal crossover output voltage (1) 1.3 2.0 V (1) Characterized only. Limits are approved by design and are not production tested. 7.7 Differential Driver Switching Characteristics (Low-Speed Mode) over recommended ranges of operating free-air temperature and supply voltage, CL = 50 pF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN MAX UNIT tr Transition rise time for DP or DM(1) CL = 200 pF to 600 pF, See Figure 1 and Figure 2 75 300 ns tf Transition fall time for DP or DM(1) CL = 200 pF to 600 pF, See Figure 1 and Figure 2 75 300 ns t(RFM) Rise/fall time matching(1) (tr/tf) × 100 80% 120% VO(CRS) Signal crossover output voltage (1) CL = 200 pF to 600 pF 1.3 2.0 V (1) Characterized only. Limits are approved by design and are not production tested. Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TUSB2077A |
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