Micrel, Inc.
More Features
• Automatic MDI/MDI-X crossover for detection and
correction of pair swap at all speeds of operation
• Automatic detection and correction of pair swap, pair
skew and pair polarity
• MDC/MDIO Management Interface for PHY register
configuration
• Interrupt pin option
• Power down and power saving modes
• Operating Voltages
Core:
1.2V (external FET or regulator)
I/O:
3.3V or 2.5V
Transceiver: 3.3V
• Available packages
64-pin E-LQFP (10mm x 10mm): KSZ9021RL
48-pin QFN (7mm x 7mm):
KSZ9021RN
KSZ9021RL/RN
Applications
• Laser/Network printer
• Network attached storage (NAS)
• Network server
• Gigabit LAN on motherboard (GLOM)
• Broadband gateway
• Gigabit SOHO/SMB router
• IPTV
• IP Set-top box
• Game console
• Triple-play (data, voice, video) media center
• Media converter
Ordering Information
Part Number
Temp. Range
KSZ9021RL
KSZ9021RLI (1)
0°C to +70°C
–40°C to +85°C
KSZ9021RN
KSZ9021RNI (1)
0°C to +70°C
–40°C to +85°C
Note:
1. Contact factory for availability.
Package
64-Pin E-LQFP
64-Pin E-LQFP
48-Pin QFN
48-Pin QFN
Lead Finish
Pb-Free
Pb-Free
Pb-Free
Pb-Free
Description
RGMII, Commercial Temperature, 64-E-LQFP
RGMII, Industrial Temperature, 64-E-LQFP
RGMII, Commercial Temperature, 48-QFN
RGMII, Industrial Temperature, 48-QFN
February 13, 2014
2
Revision 1.2