LAN9252SLASHML datasheet(314/329 Pages) MICROCHIP

部件名	LAN9252/ML

功能描述	2/3-Port EtherCAT® Slave Controller with Integrated Ethernet PHYs

PDF	329 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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314 / 329 page

LAN9252

DS00001909A-page 314

 2015 Microchip Technology Inc.

Note 23:

This specification applies to all inputs and tri-stated bi-directional pins. Internal pull-down and pull-up resis-

tors add ±50 µA per-pin (typical).

Note 24:

Measured at line side of transformer, line replaced by 100 Ω (+/- 1%) resistor.

Note 25:

Offset from 16 ns pulse width at 50% of pulse peak.

Note 26:

Measured differentially.

TABLE 18-8:

100BASE-TX TRANSCEIVER CHARACTERISTICS

Parameter

Symbol

Min

Typ

Max

Units

Notes

Peak Differential Output Voltage High

VPPH

950

1050

mVpk

Note 24

Peak Differential Output Voltage Low

VPPL

-950

-1050

mVpk

Note 24

Signal Amplitude Symmetry

VSS

102

Note 24

Signal Rise and Fall Time

TRF

3.0

5.0

Note 24

Rise and Fall Symmetry

TRFS

0.5

Note 24

Duty Cycle Distortion

DCD

Note 25

Overshoot and Undershoot

VOS

Jitter

1.4

Note 26

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