PHYs

An industry leader in Fast and Gigabit Ethernet Physical Layer Transceivers, Micrel offers energy efficient, highly integrated, compact and cost effective solutions for the broadest range of applications, including:

Digital TVs and Set Top Boxes
Game Consoles
Residential Gateways
Wireless Access Points
Media Players
Printers
Industrial Control
Automotive Gateways and Infotainment

Highest quality, reliability and robustness is common throughout all families, offering industry leading ESD and EMI performance as well as AEC-Q100 Automotive qualification. LinkMD® cable diagnostics goes beyond Ethernet standards to provide detection of common cabling faults. In addition, on-chip termination not only eliminates components, simplifies PCB design and reduces system BOM, but also improves overall signal integrity and EMI emissions.

The demand for energy efficient, green solutions has been addressed by Micrel patented mixed-signal PHY technology providing ultra low power consumption and enhanced Power Management features such as IEEE802.3az Energy Efficient Ethernet (EEE).


P/N Stock /
Order
Legacy
Part
Copper Support Fiber Support Interface Supply Voltage Internal LDO Vdd I/O
(V)
LinkMD® Diag Temp Range EEE Support Internal Term WOL 50MHz RMII
Clock Gen
Package
MII RMII GMII RGMII
KSZ9031MNX
NEW
10/100/1000 X X 1.2, 2.5/3.3 X cntlr 1.8/2.5/3.3 X C, I X X X 8x8
KSZ9031RNX
NEW
10/100/1000 X 1.2, 2.5/3.3 X cntlr 1.8/2.5/3.3 X C, I X X X 7x7
KSZ8091RNA
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C, I X X X X 4x4
KSZ8091RND
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C X X X X 4x4
KSZ8091MNX
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C, I X X X 5x5
KSZ8091RNB
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C, I X X X X 5x5
KSZ8091MLX
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C, I X X X LQFP-48
KSZ8081RNA
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C, I X X 4x4
KSZ8081RND
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C X X 4x4
KSZ8081MNX
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C, I X 5x5
KSZ8081RNB
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C, I X X 5x5
KSZ8081MLX
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X C, I X LQFP-48
KSZ8051MNLU
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X A X 5x5
KSZ8051RNLU
NEW
10/100 X 3.3 X 1.8/2.5/3.3 X A X X 5x5
KSZ8041NLJ
10/100 X X 3.3 X 3.3 J 5x5
KSZ8041TL
10/100 X X 3.3 X 3.3 X C, I TQFP-48
KSZ8041FTL
10/100 100FX X X 3.3 X 3.3 X C, I TQFP-48
KSZ8031RNL
X 10/100 X 3.3 X 1.8/2.5/3.3 X C X X 4x4
KSZ8021RNL
X 10/100 X 3.3 X 1.8/2.5/3.3 X C X X 4x4
KSZ8051MNL
X 10/100 X 3.3 X 1.8/2.5/3.3 X A, C, I X 5x5
KSZ8051RNL
X 10/100 X 3.3 X 1.8/2.5/3.3 X A, C, I X X 5x5
KSZ8051MLL
X 10/100 X 3.3 X 1.8/2.5/3.3 X C, I X LQFP-48
KSZ8041NL
X 10/100 X X 3.3 X 3.3 A, C, I, J 5x5
KSZ8041RNL
X 10/100 X 3.3 X 3.3 C, I X 5x5
KSZ8041MLL
X 10/100 X 3.3 X 3.3 X C, I TQFP-48
KSZ8001L
X 10/100 100FX X X 3.3 X 3.3 X C, I LQFP-48
KSZ8001S
X 10/100 100FX X X 1.8, 3.3 3.3 X C, I SSOP-48
KSZ8721B
X 10/100 100FX X X 2.5, 3.3 2.5/3.3 C, I SSOP-48
KSZ8721BT
X 10/100 100FX X X 2.5, 3.3 2.5/3.3 C TQFP-48
KSZ8721BL
X 10/100 100FX X X 3.3 X 2.5/3.3 C, I LQFP-48
KSZ8721SL
X 10/100 100FX X X 3.3 X 2.5/3.3 C, I SSOP-48
KSZ8721CL
X 10/100 100FX X X 3.3 X 2.5/3.3 C LQFP-48
KSZ9021GN
X 10/100/1000 X X 1.2, 3.3 X cntlr 3.3 X C, I X 8x8
KSZ9021RN
X 10/100/1000 X 1.2, 3.3 X cntlr 2.5/3.3 X C, I X 7x7
KSZ9021GQ
X 10/100/1000 X X 1.2, 3.3 X cntlr 3.3 X C, I X PQFP-128
KSZ9021RL
X 10/100/1000 X 1.2, 3.3 X cntlr 2.5/3.3 X C, I X eLQFP-64

I (Industrial) -40° to 85°C; A (Automotive) -40° to 85°C; J (Extended) -40° to 125°C