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TUSB2046BVFRG4 Datasheet(PDF) 7 Page - Texas Instruments |
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TUSB2046BVFRG4 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 28 page 15 k 15 k 1.5 k 22 22 7 TUSB2046B, TUSB2046BI www.ti.com SLLS413K – FEBRUARY 2000 – REVISED JANUARY 2016 Product Folder Links: TUSB2046B TUSB2046BI Submit Documentation Feedback Copyright © 2000–2016, Texas Instruments Incorporated Electrical Characteristics (continued) over recommended ranges of operating free-air temperature and supply voltage (unless otherwise noted) PARAMETER TEST CONDITIONS MIN MAX UNIT (1) Applies for input buffers with hysteresis. (2) Applies for open-drain buffers. VIT+ Positive input threshold TTL/LVCMOS 1.8 V Single-ended 0.8 V ≤ VICR ≤ 2.5 V 1.8 VIT– Negative-input threshold TTL/LVCMOS 0.8 V Single-ended 0.8 V ≤ VICR ≤ 2.5 V 1 Vhys Input hysteresis(1) (VT+ – VT–) TTL/LVCMOS 0.3 0.7 mV Single-ended 0.8 V ≤ VICR ≤ 2.5 V 300 500 IOZ High-impedance output current TTL/LVCMOS V = VCC or GND (2) ±10 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 ICC Input supply current Normal operation 40 mA Suspend mode 1 μA (1) Characterized only. Limits are approved by design and are not production tested. 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 Figure 1. Differential Driver Switching Load |
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