KSZ9021GN Ver la hoja de datos (PDF) - Micrel

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KSZ9021GN

Gigabit Ethernet Transceiver with GMII / MII Support

Micrel 

Micrel, Inc.

KSZ9021GN

Absolute Maximum Ratings ............................................................................................................................................ 41

Operating Ratings ............................................................................................................................................................ 41

Electrical Characteristics ................................................................................................................................................ 41

Timing Diagrams .............................................................................................................................................................. 44

GMII Transmit Timing .................................................................................................................................................... 44

GMII Receive Timing ..................................................................................................................................................... 45

MII Transmit Timing ....................................................................................................................................................... 46

MII Receive Timing ........................................................................................................................................................ 47

Auto-Negotiation Timing ................................................................................................................................................ 48

MDC/MDIO Timing ........................................................................................................................................................ 49

Reset Timing.................................................................................................................................................................. 50

Reset Circuit ..................................................................................................................................................................... 50

Reference Circuits – LED Strap-in Pins......................................................................................................................... 51

Reference Clock – Connection and Selection............................................................................................................... 52

Magnetics Specification .................................................................................................................................................. 52

Package Information ........................................................................................................................................................ 53

September 2010

5

M9999-091010-1.1

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