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Micrel Semiconductor - Integrated 3-Port 10/100 Managed Switch

Numéro de référence KSZ8873MLL
Description Integrated 3-Port 10/100 Managed Switch
Fabricant Micrel Semiconductor 
Logo Micrel Semiconductor 





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KSZ8873MLL fiche technique
KSZ8873MLL/FLL/RLL
Integrated 3-Port 10/100 Managed Switch
with PHYs
Revision 1.6
General Description
The KSZ8873MLL/FLL/RLL are highly-integrated 3-port
switches on a chip ICs in the industry’s smallest footprint.
They are designed to enable a new generation of low port
count, cost-sensitive, and power-efficient 10/100Mbps
switch systems. Low power consumption, advanced power
management and sophisticated QoS features (e.g., IPv6
priority classification support) make these devices ideal for
IPTV, IP-STB, VoIP, automotive, and industrial
applications.
The KSZ8873 family is designed to support the GREEN
requirement in today’s switch systems. Advanced power
management schemes include hardware power down,
software power down, per port power down and the energy
detect mode that shuts downs the transceiver when a port
is idle.
KSZ8873MLL/FLL/RLL also offers a by-pass mode. In this
mode, the processor connected to the switch through the
MII interface can be shut down without impacting the
normal switch operation.
The configurations provided by the KSZ8873 family
enables the flexibility to meet requirements of different
applications:
KSZ8873MLL: Two 10/100BASE-T/TX transceivers
and one MII interface.
KSZ8873RLL: Two 10/100BASE-T/TX transceivers
and one RMII interface.
KSZ8873FLL: Two 100BASE-FX transceivers and one
MII interface.
The device is available in RoHS-compliant 64-pin LQFP
package. Industrial-grade and qualified AEC-Q100
Automotive-grade version are also available (see Ordering
Information section)
Datasheets and support documentation are available on
Micrel’s web site at: www.micrel.com.
Functional Diagram
LinkMD is a registered trademark of Micrel, Inc.
Product names used in this datasheet are for identification purposes only and may be trademarks of their respective companies.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
September 20, 2013
Revision 1.6

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