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. 170-0733
Mfr. Part No.W5100
BrandWIZnet Inc
MYR17.594
Each (In a Tray of 160)
units
100BaseTX, 10BaseT SPI MII Full Duplex, Half Duplex 100Mbps Internal IEEE 802.3u Surface Mount LQFP 80 Yes - 3.3 V 10 x 10 x 1.45mm
RS Stock No. 419-930
Mfr. Part No.W5100
BrandWIZnet Inc
MYR22.50
Each
units
100BaseTX, 10BaseT SPI MII Full Duplex, Half Duplex 100Mbps Internal IEEE 802.3u Surface Mount LQFP 80 Yes - 3.3 V 10 x 10 x 1.45mm
RS Stock No. 178-4846
Mfr. Part No.ENC28J60-I/SP
BrandMicrochip
MYR12.56
Each (In a Tube of 15)
units
10BaseT Serial-SPI - Full Duplex, Half Duplex 10 Mbps, 100 Mbps, 1000 Mbps - IEEE 802.3 Through Hole SPDIP 28 - Yes 3.3 V 35.56 x 8.51 x 3.81mm
RS Stock No. 698-8981
Mfr. Part No.ENC28J60-I/SP
BrandMicrochip
MYR12.53
Each
units
10BaseT Serial-SPI - Full Duplex, Half Duplex 10 Mbps, 100 Mbps, 1000 Mbps - IEEE 802.3 Through Hole SPDIP 28 - Yes 3.3 V 35.56 x 8.51 x 3.81mm
RS Stock No. 682-7435
Mfr. Part No.WG82574L S LBA9
BrandIntel
MYR35.70
Each
units
- - - - 1000Mbit/s - - Surface Mount QFN 64 - - 3.3 V 9 x 9 x 0.85mm
RS Stock No. 911-5801
Mfr. Part No.LAN91C111-NS
BrandMicrochip
MYR86.87
Each (In a Tray of 66)
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. 698-8987
Mfr. Part No.ENC28J60-I/SO
BrandMicrochip
MYR11.90
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. 178-4863
Mfr. Part No.ENC28J60-I/SO
BrandMicrochip
MYR10.92
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. 170-0734
Mfr. Part No.W3150A+
BrandWIZnet Inc
MYR13.794
Each (In a Tray of 160)
units
100BaseTX, 10BaseT SPI MII Full Duplex 25Mbps - - Surface Mount LQFP 64 Yes - 3.3 V 10.1 x 10.1 x 1.45mm
RS Stock No. 419-978
Mfr. Part No.W3150A+
BrandWIZnet Inc
MYR16.32
Each
units
100BaseTX, 10BaseT SPI MII Full Duplex 25Mbps - - Surface Mount LQFP 64 Yes - 3.3 V 10.1 x 10.1 x 1.45mm
RS Stock No. 823-0681
Mfr. Part No.LAN91C111-NS
BrandMicrochip
MYR104.25
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. 170-0900
Mfr. Part No.W5200
BrandWIZnet Inc
MYR24.217
Each (On a Reel of 2000)
units
100BaseTX, 10BaseT SPI MDI/MDIX Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal - Surface Mount QFN 48 Yes - 3.63 V dc 7 x 7 x 0.7mm
RS Stock No. 672-6821
Mfr. Part No.LAN9117-MT
BrandMicrochip
MYR46.78
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. 861-0576
Mfr. Part No.LAN91C113-NU
BrandMicrochip
MYR47.40
Each
units
100BaseTX, 10BaseT - 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 16 x 16 x 1.2mm
RS Stock No. 911-5609
Mfr. Part No.LAN91C96-MU
BrandMicrochip
MYR52.56
Each (In a Tray of 90)
units
10BaseT EISA, ISA AUI Full Duplex 10Mbps External, Internal IEEE 802.3 Surface Mount TQFP 100 - Yes 3.3 V 14.1 x 14.1 x 1.05mm
RS Stock No. 672-6837
Mfr. Part No.LAN91C111-NU
BrandMicrochip
MYR96.32
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. 911-5628
Mfr. Part No.LAN9218-MT
BrandMicrochip
MYR64.87
Each (In a Tray of 90)
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 TQFP 100 Yes Yes 3.3 V 14.1 x 14.1 x 1.45mm
RS Stock No. 803-2339
Mfr. Part No.LAN7500-ABZJ
BrandMicrochip
MYR22.09
Each (In a Pack of 2)
units
1000BaseT, 100BaseTX, 10BaseT USB 1000BaseT, 100BaseTX, 10BaseT Full Duplex, Half Duplex 1000Mbit/s External, Internal IEEE 802.3, IEEE 802.3ab, IEEE 802.3u Surface Mount QFN 56 Yes - 3.3 V 8.15 x 8.15 x 0.95mm
RS Stock No. 187-7715
Mfr. Part No.LAN7430-I/Y9X
BrandMicrochip
MYR40.025
Each (In a Tray of 260)
units
- - - Full Duplex, Half Duplex 2.5Gbit/s External IEEE 802.3az Surface Mount SQFN 48 Yes Yes 1.8 V, 2.5 V, 3.3 V 7 x 7 x 0.95mm
RS Stock No. 761-9563
Mfr. Part No.LTC4267IDHC-3#PBF
MYR23.16
Each
units
PoE RJ45 PD Interface - - - IEEE 802.3af Surface Mount DFN 16 - - -57 V 5 x 3 x 0.7mm
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