LAN8808DSLASHKDX datasheet(64/80 Pages) MICROCHIP

номер детали	LAN8808D/KDX

подробное описание детали	4-Port Gigabit Ethernet Transceiver with QSGMII Support

PDF	80 Pages

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производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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64 / 80 page

LAN8808D

DS00005833C-page 64

6.6

AC Specifications

This section details the various AC timing specifications of the device.

6.6.1

EQUIVALENT TEST LOAD

Output timing specifications assume a 5 pF equivalent test load, unless otherwise noted, as illustrated in Figure 6-1.

3.3V/2.5V/1.8V

Variable I/O

(VDDIO)

VDDIO = 1.8V

Rise/Fall =

10 µs

1.62

1.8

1.98

0.815

0.997

1.167

0.453

0.802

1.164

VDDIO = 1.8V

Rise/Fall =

10 ms

1.454

1.47

1.491

1.218

1.231

1.262

0.212

0.238

0.243

VDDIO = 2.5V

Rise/Fall =

10 µs

2.02

2.17

2.67

0.8

0.986

1.159

0.88

1.183

1.81

VDDIO = 2.5V

Rise/Fall =

10 ms

1.454

1.47

1.491

1.216

1.23

1.261

0.213

0.240

0.245

VDDIO =3.3V

Rise/Fall =

10 µs

2.15

2.34

3.0

0.645

0.973

1.152

1.0

1.373

2.16

VDDIO =3.3V

Rise/Fall =

10 ms

1.455

1.47

1.491

1.215

1.228

1.26

0.214

0.242

0.247

Note:

The QSGMII timing adheres to the QSGMII Specification. Refer to the QSGMII Specification Rev. 1.3

(EDCS-540123) [4] for additional QSGMII timing information.

FIGURE 6-1:

OUTPUT EQUIVALENT TEST LOAD

TABLE 6-10:

POR THRESHOLDS (CONTINUED)

POR

Conditions

Rising Threshold

(Volts)

Falling Threshold

(Volts)

Hysteresis

(Millivolts)

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

5 pF

OUTPUT

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