KSZ9021RL(2008) View Datasheet(PDF) - Micrel
Part Name
Description
Manufacturer
KSZ9021RL Datasheet PDF : 2 Pages
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Features
10/100/1000Base-T IEEE 802.3 compliance
GMII, RGMII, and MII MAC interfaces
Integration of termination resistors on the chip
Integration of a LDO controller on the chip
LinkMD® TDR-based cable diagnostics
Automatic MDI/MDIX crossover for IEEE 802.3 and EIA/TIA 568
standards at all speeds of operation
Benefits
Standard compliance ensures to work with other standard
compliant, already deployed devices.
Flexible MAC interfaces (GMII/MII for KSZ9021GQ and RGMII
for KSZ9021RL) support direct connection to MACs in Ethernet
processors and switches at various data rates.
On-chip termination (eliminating 8 external resistors) not only
simplifies PCB design and reduces system BOM, but also
improves overall signal integrity and EMI emission.
Integration of a LDO controller permits a low cost MOSFET to
supply the 1.2V core, which reduces board cost and simplifies
board layout.
Built-in LinkMD® diagnostics helps identification of common
cabling problems, including those not addressed by IEEE. It
simplifies network deployment and reduces network downtime.
Auto-MDI/MDIX eliminates the need for cross-over cable,
thus reduces installation costs. Easy to use.
Applications
• Wired/wireless Gigabit SOHO/SMB Router
• SOHO Media Center
• Voice-over-Internet Protocol (VoIP) Gateway
• Network Attached Storage
• Laser Printers and Projectors
• GEPON ONU Router
• Media Converter
• VPN/Firewall based SMB/SME Router
• Gigabit Ethernet LAN on Motherboard
• Integrated Broadband CPE (ADSL/VDSL/FTTH) Router
Corporate Sales Offices
Location
Corporate HQ
Western USA
Central USA
Eastern USA
Latin America
China
Japan
Korea
Singapore/India
Taiwan
France/Southern
Europe
UK/EMEA
Sweden/Nordic
Address
2180 Fortune Dr.
2180 Fortune Dr.
2425 N. Central Expressway, Suite 351
93 Branch St.
2425 N. Central Expressway, Suite 351
Rm 601, Bldg., Int’l Chamber of Commerce
Mansion, Fuhua Rd., Futian District
Queen’s Tower A 14F, 2-3-1, Minato Mirai, Nishi-
Ku, Yokohama-Shi
8F AnnJay Tower Bldg., 718-2, Yeoksam-Dong
300 Beach Rd., #10-07 Concourse
4F, No. 43 Lane 188, Rueiguang Rd., Neihu District
Les Laurentides
Immeuble Ontario, 3 avenue du Quebec
1st Floor, 3 Lockside Place, Mill Lane, Newbury,
Berks
Lundagatan 11 6tr
San Jose, CA 95131 USA
San Jose, CA 95131 USA
Richardson, TX 57080 USA
Medford, NJ 08055 USA
Richardson, TX 57080 USA
Shenzhen, P.R. China
Kanagawa 220-6014, Japan
Kangnam-Ku, Seoul 135-080
Korea
Singapore 199555
Taipei, Taiwan, R.O.C.
91140 Villebon sur Yvette,
France
United Kingdom RG14 5QS
SE-171 63 Solna Sweden
Telephone
(408) 944-0800
(408) 944-0800
(972) 393-2533
(609) 654-0078
(972) 393-2533
+86-755-8302-7618
Fax
(408) 474-1000
(408) 474-1000
(408) 474-1210
(609) 654-0989
(408) 474-1210
+86-755-8302-7637
+81-45-224-6616
+81-45-224-6716
82 (2) 538-2380
82 (2) 538-2381
+65-6291-1318
+866 (2) 8751-0600
+33 (0) 1.6092.4190
+65-6291-1332
+866 (2) 8751-0746
+33 (0) 1.6092.4189
+44 (1635) 524455` +44 (1635) 524466
+46 (8) 470-5950
+46 (8) 470-5950
Micrel, Inc. TEL: +1 408.944.0800 FAX: + 1 408.474.1000 http://www.micrel.com
M9999-121108
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