May 2008

PCS3P73U00A

rev 0.3

USB 2.0 Peak EMI reduction IC

8 of 13

Notice: The information in this document is subject to change without notice.

Fig5: EMI Radiated Emission Test Circuit (requires USB PHY ASIC, not shown here)

Fig6: Typical Application Circuit

Switching Waveforms

Duty Cycle Timing

Output Rise/Fall Time

XIN /CLKIN

Xtal

P

C

S

3

P

7

3

U

0

0

A

XIN /

CLKIN

XOUT

ModOUT

USB

ASIC

XOUT

OUTPUT

0V

VDD

20%

80%

20%

80%

OUTPUT