Ethernet Controllers

Ethernet controllers are an integrated circuit chip that control Ethernet communications. Ethernet is how most computers communicate with each other and is also how most computers connect with the Internet. The internet cable, which plugs into your computer, transfers data to the Ethernet controller, which then decodes the data and puts it into a form your computer can use.
An Ethernet controller determines whether each packet of data is meant for the local computer or another computer on the same network. If the information is meant for the local computer, it decodes that information and relays it to the processor. If the information is meant for another computer on the network, the information is discarded.
Applications
Modern computers have built-in Ethernet controllers on the motherboard. Older computers use a network interface card, which has the Ethernet controller chip on it.

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Description Price Physical Network Type Host Interface Network Interface Communication Mode Data Rate Loopback Mode Standard Supported Mounting Type Package Type Pin Count Auto-Negotiation DMA Support Typical Operating Supply Voltage Dimensions
RS Stock No. 178-4863
Mfr. Part No.ENC28J60-I/SO
BrandMicrochip
$4.367
Each (In a Tube of 27)
units
10BaseT Serial-SPI SPI Full Duplex, Half Duplex 10 Mbps, 100 Mbps, 1000 Mbps - IEEE 802.3 Surface Mount SOIC 28 - Yes 3.3 V 17.9 x 7.5 x 2.05mm
RS Stock No. 698-8987
Mfr. Part No.ENC28J60-I/SO
BrandMicrochip
$4.36
Each
units
10BaseT Serial-SPI SPI Full Duplex, Half Duplex 10 Mbps, 100 Mbps, 1000 Mbps - IEEE 802.3 Surface Mount SOIC 28 - Yes 3.3 V 17.9 x 7.5 x 2.05mm
RS Stock No. 419-952
Mfr. Part No.RTL8201CP-VD-LF
BrandWIZnet Inc
$2.32
Each (In a Pack of 2)
units
100BaseTX, 10BaseT - MII, SNI Full Duplex, Half Duplex 10 Mbps, 100 Mbps External, Internal IEEE 802.3u Surface Mount LQFP 48 Yes - 3.3 V 7 x 7 x 1.5mm
RS Stock No. 173-0300
Mfr. Part No.RTL8201CP-VD-LF
BrandWIZnet Inc
$2.372
Each (In a Tray of 260)
units
100BaseTX, 10BaseT - MII, SNI Full Duplex, Half Duplex 10 Mbps, 100 Mbps External, Internal IEEE 802.3u Surface Mount LQFP 48 Yes - 3.3 V 7 x 7 x 1.5mm
RS Stock No. 880-6714
Mfr. Part No.LAN9252I/ML
BrandMicrochip
$18.67
Each
units
100BaseTX, 10BaseT Host Bus MDI, MDIX, MII, RMII Full Duplex, Half Duplex 100Mbps Internal ANSI X3.263, IEEE 802.3, IEEE 802.3u Surface Mount QFN 64 Yes Yes 3.3 (Max.) V 9 x 9 x 0.95mm
RS Stock No. 178-5356
Mfr. Part No.LAN9252I/ML
BrandMicrochip
$15.015
Each (In a Tray of 260)
units
100BaseTX, 10BaseT Host Bus MDI, MDIX, MII, RMII Full Duplex, Half Duplex 100Mbps Internal ANSI X3.263, IEEE 802.3, IEEE 802.3u Surface Mount QFN 64 Yes Yes 3.3 (Max.) V 9 x 9 x 0.95mm
RS Stock No. 178-5221
Mfr. Part No.LAN9252I/PT
BrandMicrochip
$16.533
Each (In a Tray of 160)
units
100BaseTX, 10BaseT Host Bus MDI, MDIX, MII, RMII Full Duplex, Half Duplex 100Mbps Internal ANSI X3.263, IEEE 802.3, IEEE 802.3u Surface Mount TQFP 64 Yes Yes 3.3 (Max.) V 10 x 10 x 1.05mm
RS Stock No. 880-6718
Mfr. Part No.LAN9252I/PT
BrandMicrochip
$20.55
Each
units
100BaseTX, 10BaseT Host Bus MDI, MDIX, MII, RMII Full Duplex, Half Duplex 100Mbps Internal ANSI X3.263, IEEE 802.3, IEEE 802.3u Surface Mount TQFP 64 Yes Yes 3.3 (Max.) V 10 x 10 x 1.05mm
RS Stock No. 823-0681
Mfr. Part No.LAN91C111-NS
BrandMicrochip
$41.62
Each
units
100BaseTX, 10BaseT EISA, ISA MII Full Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3, IEEE 802.3u Surface Mount QFP 128 Yes Yes 3.3 V 20.1 x 14.1 x 3.05mm
RS Stock No. 772-9610
Mfr. Part No.LAN9514-JZX
BrandMicrochip
$9.32
Each
units
100BaseTX, 10BaseT USB - Full Duplex, Half Duplex 1.5 Mbps, 12 Mbps, 480 Mbps - IEEE 802.3u Surface Mount QFN 64 - - 3.3 V 9.1 x 9.1 x 0.95mm
RS Stock No. 887-7215
Mfr. Part No.LAN9500A-ABZJ
BrandMicrochip
$5.64
Each (In a Tray of 260)
units
100BaseTX, 10BaseT USB MII Full Duplex, Half Duplex 100Mbps External, Internal IEEE 802.3, IEEE 802.3u Surface Mount QFN 56 Yes - 3.3 V 8.15 x 8.15 x 0.95mm
RS Stock No. 666-5741
Mfr. Part No.ENC424J600-I/PT
BrandMicrochip
$6.02
Each
units
100BaseTX, 10BaseT Serial-SPI MII, MIIM Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3 Surface Mount TQFP 44 Yes Yes 3.3 V 10 x 10 x 1mm
RS Stock No. 177-3920
Mfr. Part No.LAN7500I-ABZJ
BrandMicrochip
$11.01
Each
units
1000BaseT, 100BaseTX, 10BaseT USB 1000BaseT, 100BaseTX, 10BaseT Full Duplex, Half Duplex 1000Mbit/s Internal IEEE 802.3, IEEE 802.3ab, IEEE 802.3u Surface Mount QFN 56 - - 3.3 V 8.15 x 8.15 x 0.95mm
RS Stock No. 672-6828
Mfr. Part No.LAN91C111I-NU
BrandMicrochip
$42.08
Each
units
100BaseT, 100BaseT4, 100BaseTX, 10BaseT EISA, ISA MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3u Surface Mount TQFP 128 Yes Yes 3.3 V 14 x 14 x 1mm
RS Stock No. 672-6840
Mfr. Part No.LAN9218-MT
BrandMicrochip
$31.08
Each
units
100BaseTX, 10BaseT - - Full Duplex, Half Duplex 10 Mbps, 100 Mbps - IEEE 802.3u Surface Mount TQFP 100 Yes Yes 3.3 V 14 x 14 x 1.4mm
RS Stock No. 823-3441
Mfr. Part No.LAN9420I-NU
BrandMicrochip
$8.78
Each (In a Pack of 2)
units
100BaseTX, 10BaseT PCI MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3, IEEE 802.3u Surface Mount TQFP 128 Yes Yes 3.3 V 14.2 x 14.2 x 1.05mm
RS Stock No. 672-6821
Mfr. Part No.LAN9117-MT
BrandMicrochip
$19.59
Each
units
100BaseTX, 10BaseT - MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3u Surface Mount TQFP 100 Yes Yes 3.3 V 14 x 14 x 1.4mm
RS Stock No. 666-5710
Mfr. Part No.ENC28J60-I/ML
BrandMicrochip
$5.03
Each
units
10BaseT Serial-SPI MII, MIIM Full Duplex, Half Duplex 10Mbps - IEEE 802.3 Surface Mount QFN 28 - Yes 3.3 V 6 x 6 x 0.88mm
RS Stock No. 672-6812
Mfr. Part No.LAN9115-MT
BrandMicrochip
$15.30
Each
units
100BaseTX, 10BaseT - MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3u Surface Mount TQFP 100 Yes Yes 3.3 V 14 x 14 x 1.4mm
RS Stock No. 911-5710
Mfr. Part No.LAN9220-ABZJ
BrandMicrochip
$6.589
Each (In a Tray of 260)
units
100BaseTX, 10BaseT Host Bus, SMI LAN, MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal ANSI 802.3x, IEEE 802.3, IEEE 802.3u, IEEE 802.3x Surface Mount QFN 56 Yes Yes 1.62 → 3.6 (VDDVARIO) V, 3.3 (VDD33A) V, 3.3 (VDD33REG) V 8.15 x 8.15 x 0.95mm
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