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. 179-3970
Mfr. Part No.MPL360B-I/Y8X
BrandMicrochip
PHP396.64
Each (In a Tray of 250)
units
- PWM, SPI, UART PWM, SPI, UART - - - - Surface Mount TQFP 48 - Yes 3.3 V 7 x 7 x 1.05mm
RS Stock No. 177-3534
Mfr. Part No.KSZ8851-16MLLI
BrandMicrochip
PHP173.805
Each (In a Tray of 250)
units
100BaseTX, 10BaseT BIU 100BaseTX, 10BaseT Full Duplex, Half Duplex 100Mbit/s Internal IEEE 802.3u, IEEE 802.3x Surface Mount LQFP 48 Yes Yes 3.3 V 7.1 x 7.1 x 1.45mm
RS Stock No. 772-9610
Mfr. Part No.LAN9514-JZX
BrandMicrochip
PHP263.42
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. 770-7755
Mfr. Part No.ENC28J60-I/SS
BrandMicrochip
PHP132.665
Each (In a Pack of 2)
units
10BaseT Serial-SPI MII, MIIM Full Duplex, Half Duplex 10Mbps Internal IEEE 802.3 Surface Mount SSOP 28 - Yes 3.3 V 10.5 x 5.6 x 1.85mm
RS Stock No. 672-6828
Mfr. Part No.LAN91C111I-NU
BrandMicrochip
PHP1,313.55
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. 889-5803
Mfr. Part No.LAN9500AI-ABZJ
BrandMicrochip
PHP212.805
Each (In a Tray of 260)
units
100BaseTX, 10BaseT - MII Full Duplex, Half Duplex 12 Mbps, 480 Mbps 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. 177-3551
Mfr. Part No.LAN7500I-ABZJ
BrandMicrochip
PHP289.338
Each (In a Tray of 260)
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. 716-0449
Mfr. Part No.LAN9512-JZX
BrandMicrochip
PHP243.36
Each
units
100BaseTX, 10BaseT - - Full Duplex, Half Duplex 10 Mbps, 100 Mbps - IEEE 802.3u Surface Mount QFN 64 Yes - 3.3 V 9 x 9 x 3.3mm
RS Stock No. 761-9563
Mfr. Part No.LTC4267IDHC-3#PBF
PHP319.62
Each
units
PoE RJ45 PD Interface - - - IEEE 802.3af Surface Mount DFN 16 - - -57 V 5 x 3 x 0.7mm
RS Stock No. 177-3920
Mfr. Part No.LAN7500I-ABZJ
BrandMicrochip
PHP337.71
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. 889-5342
Mfr. Part No.LAN9118-MT
BrandMicrochip
PHP815.33
Each (In a Tray of 90)
units
100BaseTX, 10BaseT PCI 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. 887-7215
Mfr. Part No.LAN9500A-ABZJ
BrandMicrochip
PHP172.512
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. 187-7717
Mfr. Part No.LAN7431-I/YXX
BrandMicrochip
PHP276.318
Each (In a Tray of 168)
units
- - - Full Duplex, Half Duplex 2.5Gbit/s External IEEE 802.3az Surface Mount SQFN 72 Yes Yes 1.8 V, 2.5 V, 3.3 V 10 x 10 x 0.95mm
RS Stock No. 798-5245
Mfr. Part No.LAN9500AI-ABZJ
BrandMicrochip
PHP284.54
Each
units
100BaseTX, 10BaseT - MII Full Duplex, Half Duplex 12 Mbps, 480 Mbps 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. 803-2244
Mfr. Part No.LAN9500A-ABZJ
BrandMicrochip
PHP182.595
Each (In a Pack of 2)
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. 823-3450
Mfr. Part No.LAN9512I-JZX
BrandMicrochip
PHP330.23
Each
units
100BaseTX, 10BaseT - - Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3, IEEE 802.3u Surface Mount QFN 64 Yes - 1.8 V, 3.3 V 9.1 x 9.1 x 0.95mm
RS Stock No. 823-3441
Mfr. Part No.LAN9420I-NU
BrandMicrochip
PHP274.05
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. 911-5710
Mfr. Part No.LAN9220-ABZJ
BrandMicrochip
PHP206.489
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
RS Stock No. 772-9427
Mfr. Part No.LAN91C96-MU
BrandMicrochip
PHP757.94
Each
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. 169-8261
Mfr. Part No.CS8900A-CQ3Z
PHP491.40
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
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