USB2250/50i/51/51i

DS00002005A-page 33

 2009 - 2015 Microchip Technology Inc.

8.2

Ceramic Resonator

24 MHz

 350 ppm

8.3

External Clock

50% Duty cycle

 10%, 24/48 MHz  350 ppm, Jitter < 100 ps rms.

The external clock is recommended to conform to the signaling level designated in the JESD76-2 specification on 1.8

V CMOS Logic. XTAL2 should be treated as a no connect.

FIGURE 8-3:

CERAMIC RESONATOR USAGE WITH MICROCHIP IC

XTAL1

XTAL2

1 M

24 MHz

Ceramic

Resonator