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USB1T20 Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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USB1T20 Datasheet(HTML) 6 Page - Fairchild Semiconductor |
6 / 9 page © 2004 Fairchild Semiconductor Corporation www.fairchildsemi.com USB1T20 • Rev. 1.0.2 6 AC Electrical Characteristics D+/D- Pins, Full Speed Over the recommended range of supply voltage and operating free air temperature unless otherwise noted. VCC = 3.0V to 3.6V; CL = 50pF; RL = 1.5kΩ on D+ to VCC. TA=-40 to +85°C Symbol Parameter Conditions Min. Typ. Max. Units Driver Characteristics tR, tF Rise and Fall Time 10 and 90%, Figure 3 4 20 ns tRFM Rise/Fall Time Matching tr / tf 90 110 % VCRS Output Signal Crossover Voltage 1.3 2.0 V Driver Timings tPLH Driver Propagation Delay (VPO,VMO/FSEO to D+D-) Figure 4 18 ns tPHZ, tPLZ Driver Disable Delay (/OE to D+/D-) Figure 6 13 ns tPZH, tPZL Driver Enable Delay (/OE to D+/D-) Figure 6 17 ns Receiver Timings tPLH 16 ns tPHL Receiver Propagation Delay D+/D- to RVC Figure 5 19 ns tPLH, tPHL Single-ended Receiver Delay (D+,D- to VP, VM) Figure 5 8 ns AC Electrical Characteristics D+/D- Pins, Low Speed Over the recommended range of supply voltage and operating free air temperature unless otherwise noted. VCC = 3.0V to 3.6V; CL = 200pF to 600pF; RL = 1.5kΩ on D- to VCC. TA=-40 to +85°C Symbol Parameter Conditions Min. Typ. Max. Units Driver Characteristics tLR, tLF Rise and Fall Time 10 and 90%, Figure 3 75 300 ns tRFM Rise/Fall Time Matching tr / tf 80 120 % VCRS Output Signal Crossover Voltage 1.3 2.0 V Driver Timings tPLH, tPHL Driver Propagation Delay (VPO,VMO/FSEO to D+D-) Figure 4 300 ns tPHZ, tPLZ Driver Disable Delay (/OE to D+/D-) Figure 6 13 ns tPZH, tPZL Driver Enable Delay (/OE to D+/D-) Figure 6 205 ns Receiver Timings tPLH, tPHL Receiver Propagation Delay (D+/D- to RVC) Figure 5 18 ns tPLH, tPHL Single-ended Receiver Delay (D+,D- to VP, VM) Figure 5 28 ns |
Similar Part No. - USB1T20_08 |
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Similar Description - USB1T20_08 |
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