USB4712 datasheet(28/43 Pages) MICROCHIP

tên linh kiện	USB4712

Giải thích chi tiết về linh kiện	USB 2.0 Hi-Speed Retimer Hub Family with Auto-FlexConnect Capability

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USB4712

DS00002774G-page 28

 2018-2021 Microchip Technology Inc.

9.5

DC Specifications

Note 9-3

XTALI can optionally be driven from a 25 MHz singled-ended clock oscillator.

Note 9-4

Refer to the Universal Serial Bus Revision 2.0 Specification for USB DC electrical characteristics.

TABLE 9-3:

I/O DC ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Min

Typical

Max

Units

Notes

I Type Input Buffer

Low Input Level

High Input Level

VIL

VIH

-0.3

1.25

0.9V

VDDIO33+0.3

IS Type Input Buffer

Low Input Level

High Input Level

Schmitt Trigger Hysteresis

(VIHT - VILT)

VIL

VIH

VHYS

-0.3

1.25

100

160

0.9V

VDDIO33+0.3

240

O4 Type Output Buffer

Low Output Level

High Output Level

VOL

VOH

VDD33-0.4

0.4

IOL = 4 mA

IOH = -4 mA

O12 Type Output Buffer

Low Output Level

High Output Level

VOL

VOH

VDD33-0.4

0.4

IOL = 12 mA

IOH = -12 mA

OD12 Type Output Buffer

Low Output Level

VOL

0.4

IOL = 12 mA

ICLK Type Input Buffer



(XTALI/CLK_IN Input)

Low Input Level

High Input Level

Input Capacitance

VIL

VIH

CIN

-0.2

0.9

0.35

1.2

Note 9-3

I/O-U Type Buffer

(See Note 9-4)

Note 9-4

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