USB7252 datasheet(54/65 Pages) MICROCHIP

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USB7252 데이터시트(PDF) 54 Page - Microchip Technology

부품명	USB7252

상세설명	4-Port USB 3.2 Gen 2 Type-C짰 Controller Hub

PDF	65 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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54 / 65 page

USB7252

DS00002736D-page 54



2018 - 2020 Microchip Technology Inc.

Note 7: Frequency Deviation Over Time is also referred to as Aging.

Note 8: 0 °C for commercial version, -40 °C for industrial version.

Note 9: +70 °C for commercial version, +85 °C for industrial version.

Note 10: This number includes the pad, the bond wire and the lead frame. PCB capacitance is not included in this

value. The

XTALI/CLK_IN pin, XTALO pin and PCB capacitance values are required to accurately calcu-

late the value of the two external load capacitors. These two external load capacitors determine the accu-

racy of the 25.000 MHz frequency.

9.7.2

EXTERNAL REFERENCE CLOCK (

CLK_IN)

When using an external reference clock, the following clock characteristics are required:

• 25 MHz

• 50% duty cycle ±10%, ±100 ppm

• Jitter < 100 ps RMS

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