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FSUSB73 数据表(PDF) 7 Page - ON Semiconductor |
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FSUSB73 数据表(HTML) 7 Page - ON Semiconductor |
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7 / 12 page ![]() © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FSUSB73 • Rev. 1.0.2 6 AC Electrical Characteristics All typical values are for VCC=3.3V at TA=25°C unless otherwise specified. Symbol Parameter Conditions VCC (V) TA=- 40ºC to +85ºC Unit Min. Typ. Max. tON Turn-On Time when Switching from One USB Path (or Disabled i.e. /OE=1) to Another USB Path RL=50 Ω, CL=35pF, VSW=0.8V, Figure 10, Figure 11 2.5 to 4.4 126 400 µs tOFF Turn-Off Time, Turning Off Any of the USB Paths RL=50 Ω, CL=35pF, VSW= 0.8V, Figure 10, Figure 11 2.5 to 4.4 80 ns tPD Propagation Delay (5) CL=5pF, RL=50 Ω, Figure 10, Figure 12 3.3 0.25 ns tRF Slow Turn on/off Switch Paths (5) CL=5pF, Dn at 0V or 3.6V, 40.5 Ω in Series with Switch 10% to 90% 3.3 4.5 ns tBBM Break-Before-Make Time (5) RL=50 Ω, CL=35pF, VSW1=VSW2= 0.8V, Figure 14 2.5 to 4.4 126 400 µs OIRR Off Isolation (5) RL=50 Ω, f=240MHz, Figure 16 2.5 to 4.4 -40 dB Xtalk Channel-to-Channel Crosstalk (5) RL=50 Ω, f=240MHz, Figure 17 2.5 to 4.4 -40 dB tSK(P) Pulse Skew (5) VSW=0.2VdiffPP, Figure 13, CL=5pF 2.5 to 4.4 25 ps tSK(I) Skew Between Differential Signals within a Pair (5) VSW=0.2VdiffPP, Figure 13, CL=5pF 2.5 to 4.4 25 ps Note: 5. Guaranteed by characterization. Capacitance Characteristics All typical values are for VCC=3.3V at TA=25°C unless otherwise specified. Symbol Parameter Conditions VCC (V) TA=- 40ºC to +85ºC Unit Typ. CIN Input Capacitance (6) 0 3.0 pF CONa D+/D- On Capacitance (6) HSD0 or HSD1 path, f=1MHz, Figure 19 3.3 7.2 pF CONb D+/D- On Capacitance (6) HSD2 path, f=1MHz, Figure 19 3.3 7.7 pF CONc D+/D- On Capacitance (6) HSD2S to HSD2S path, f=1MHz, Figure 19 3.3 5.4 pF COFF HSD0n, HSD1n, HSD2Sn, HSD3n Off Capacitance (6) If VCC=3.3V, then /OE=3.3V, f=1MHz, Figure 18 0 or 3.3 2.2 pF Note: 6. Guaranteed by characterization |
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