KSZ8873MLL Micrel Inc, KSZ8873MLL Datasheet
KSZ8873MLL
Manufacturer Part Number
KSZ8873MLL
Description
IC ETHERNET SWITCH 3PORT 64-LQFP
Manufacturer
Micrel Inc
Specifications of KSZ8873MLL
Data Rate
100Mbps
Controller Type
Ethernet Switch Controller
Interface
MII
Voltage - Supply
1.8V, 2.5V, 3.3V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
64-LQFP
No. Of Ports
3
Ethernet Type
IEEE 802.3u
Supply Current
115mA
Supply Voltage Range
2.5V, 3.3V
Digital Ic Case Style
LQFP
No. Of Pins
64
Svhc
No SVHC (15-Dec-2010)
Base
RoHS Compliant
Number Of Primary Switch Ports
3
Internal Memory Buffer Size
32
Fiber Support
No
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII
Power Supply Type
Analog/Digital
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
1.89/3.465V
Operating Temperature Classification
Commercial
Interface Type
MII, RMII
Operating Temperature Range
0°C To +70°C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-3459
Available stocks
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Description
The KSZ8873MLL, KSZ8873RLL, KSZ8873FLL, and
KSZ8873MML are highly integrated 3-port switch on a chip
ICs in 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, and the energy detect mode that
shuts downs the transceiver when a port is idle.
KSZ8873MLL, KSZ8873RLL, and KSZ8873FLL also offer
the by-pass mode, which enables system-level power
savings. In this mode, the processor connected to the
switch through the MII interface can be shut down without
impacting the normal switch operation.
___________________________________________________________________________________________________________
Block Diagram
Micrel, Inc.
Integrated 10/100BASE-T/TX/FX 3-Port Switch
TEL:
+1 408.944.0800
FAX
:
KSZ8873MLL/KSZ8873MML
+ 1 408.474.1000
KSZ8873RLL/KSZ8873FLL
The configurations provided by the KSZ8873 family enable
the flexibility to meet requirements of different applications:
•
•
•
•
The devices are available in RoHS-compliant 64-pin LQFP
package. Industrial grade is also available.
The datasheets and supporting documents can be found
at Micrel’s web site at: www.micrel.com.
KSZ8873MLL: Two 10/100BASE-T/TX transceivers
and one MII interface.
KSZ8873MML: One 10/100BASE-T/TX transceiver
and two MII interfaces.
KSZ8873RLL: Two 10/100BASE-T/TX transceivers
and one RMII interface.
KSZ8873FLL: Two 10/100BASE-FX transceivers and
one MII interface.
http://
www.micrel.com
Product Brief
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KSZ8873MLL Summary of contents
Page 1
... KSZ8873MLL, KSZ8873RLL, and KSZ8873FLL also offer the by-pass mode, which enables system-level power savings. In this mode, the processor connected to the switch through the MII interface can be shut down without impacting the normal switch operation ...
Page 2
Features 2KByte packet size support Port 1 & Port 2 by-pass mode 4-queue (per port) traffic prioritization, based on port, 802.1p, 802.1Q VLAN tags, or Differential Services (both Ipv4 and Ipv6 priority classification) Source address filtering Internal generated RMII 50MHz ...