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. 687-8749
Mfr. Part No.ENC424J600-I/ML
BrandMicrochip
€3.16
Each
units
100BaseTX, 10BaseT Serial-SPI MII, MIIM Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3 Surface Mount QFN 44 Yes Yes 3.3 V 8 x 8 x 0.88mm
RS Stock No. 155-9351
Mfr. Part No.LTC4266IUHF#PBF
€7.474
Each (In a Tube of 52)
units
IEEE802.3 I2C - - - - IEEE 802.3af Surface Mount QFN 38 - - 3.3 V 7 x 5 x 0.7mm
RS Stock No. 912-7025
Mfr. Part No.LAN7500-ABZJ
BrandMicrochip
€3.362
Each (In a Tray of 260)
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. 772-9610
Mfr. Part No.LAN9514-JZX
BrandMicrochip
€4.66
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. 858-0633
Mfr. Part No.LTC4266IUHF#PBF
€11.82
Each
units
IEEE802.3 I2C - - - - IEEE 802.3af Surface Mount QFN 38 - - 3.3 V 7 x 5 x 0.7mm
RS Stock No. 889-5130
Mfr. Part No.LAN9514-JZX
BrandMicrochip
€3.549
Each (In a Tray of 260)
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. 682-7435
Mfr. Part No.WG82574L S LBA9
BrandIntel
€5.94
Each
units
- - - - 1000Mbit/s - - Surface Mount QFN 64 - - 3.3 V 9 x 9 x 0.85mm
RS Stock No. 803-2339
Mfr. Part No.LAN7500-ABZJ
BrandMicrochip
€4.43
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. 179-4005
Mfr. Part No.MPL360B-I/Y8X
BrandMicrochip
€6.52
Each
units
- PWM, SPI, UART PWM, SPI, UART - - - - Surface Mount TQFP 48 - Yes 3.3 V 7 x 7 x 1.05mm
RS Stock No. 665-8992
Mfr. Part No.TPS2376D
€2.404
Each (In a Pack of 5)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
RS Stock No. 178-5232
Mfr. Part No.KSZ8851-16MLL
BrandMicrochip
€2.596
Each (In a Tray of 250)
units
100BaseTX, 10BaseT - - Full Duplex, Half Duplex 10 Mbps, 100 Mbps - IEEE 802.3u, IEEE 802.3x Surface Mount LQFP 48 Yes Yes 1.8 V, 2.5 V, 3.3 V 7 x 7 x 1.4mm
RS Stock No. 178-3974
Mfr. Part No.LAN91C113-NU
BrandMicrochip
€6.161
Each (In a Tray of 90)
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. 169-8261
Mfr. Part No.CS8900A-CQ3Z
€7.761
Each (In a Tube of 90)
units
10Base2, 10Base5, 10BaseF, 10BaseT ISA AUI Full Duplex, Half Duplex 10Mbps External, Internal IEEE 802.3 Surface Mount LQFP 100 Yes Yes 3.3 V 14 x 14 x 1.4mm
RS Stock No. 823-3441
Mfr. Part No.LAN9420I-NU
BrandMicrochip
€4.395
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. 911-5609
Mfr. Part No.LAN91C96-MU
BrandMicrochip
€11.61
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. 178-4846
Mfr. Part No.ENC28J60-I/SP
BrandMicrochip
€2.551
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. 154-7661
Mfr. Part No.LTC4267IDHC-3#PBF
€3.198
Each (In a Tube of 73)
units
PoE RJ45 PD Interface - - - IEEE 802.3af Surface Mount DFN 16 - - -57 V 5 x 3 x 0.7mm
RS Stock No. 912-2853
Mfr. Part No.LAN9218I-MT
BrandMicrochip
€16.07
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. 672-6837
Mfr. Part No.LAN91C111-NU
BrandMicrochip
€19.25
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. 228-986
Mfr. Part No.CS8900A-CQ3Z
€9.14
Each
units
10Base2, 10Base5, 10BaseF, 10BaseT ISA AUI Full Duplex, Half Duplex 10Mbps External, Internal IEEE 802.3 Surface Mount LQFP 100 Yes Yes 3.3 V 14 x 14 x 1.4mm
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