LAN8720AI datasheet(68/79 Pages) SMSC

부품명	LAN8720AI

상세설명	Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support

PDF	79 Pages

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제조업체	SMSC [SMSC Corporation]

홈페이지	http://www.smsc.com

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68 / 79 page

Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support

Datasheet

Revision 1.4 (08-23-12)

SMSC LAN8720A/LAN8720Ai

DATASHEET

Note 5.14 Min/max voltages guaranteed as measured with 100

Ω resistive load.

5.5

AC Specifications

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

Note: The SMI timing adheres to the IEEE 802.3 specification. Refer to the IEEE 802.3 specification

for additional timing information.

Note: The RMII timing adheres to the RMII Consortium RMII Specification R1.2.

5.5.1

Equivalent Test Load

Output timing specifications assume a 25pF equivalent test load, unless otherwise noted, as illustrated

in Figure 5.1 below.

Table 5.6 10BASE-T Transceiver Characteristics

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Transmitter Peak Differential Output Voltage

VOUT

2.2

2.5

2.8

Note 5.14

Receiver Differential Squelch Threshold

VDS

300

420

585

Figure 5.1 Output Equivalent Test Load

25 pF

OUTPUT

LAN8720AI 데이터시트(PDF) 68 Page - SMSC Corporation