UPD720122GC-9EU Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD720122GC-9EU

USB2.0 Generic Device Controller

NEC => Renesas Technology 

µPD720122

Figure 2-5. Receiver Measurement Fixtures

USB

connector

nearest

device

Vbus

D+

D-

Gnd

Test supply voltage

15.8 Ω

15.8 Ω

143 Ω

143 Ω

50-Ω

Coax

50-Ω

Coax

+

To 50-Ω input of a

high-speed differential

oscilloscope, or 50-Ω

outputs of a high-speed

differential data generator

–

Data Sheet S16685EJ2V0DS

17

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