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. 178-5013
Mfr. Part No.LAN9215I-MT
BrandMicrochip
PHP545.066
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 100 Yes Yes 3.3 V 14.1 x 14.1 x 1.45mm
RS Stock No. 889-5809
Mfr. Part No.LAN9514I-JZX
BrandMicrochip
PHP288.731
Each (In a Tray of 260)
units
100BaseTX, 10BaseT - - Full Duplex, Half Duplex 1.5 Mbps, 12 Mbps, 480 Mbps Internal IEEE 802.3, IEEE 802.3u Surface Mount QFN 64 Yes - 3.3 V 9.1 x 9.1 x 0.95mm
RS Stock No. 889-5130
Mfr. Part No.LAN9514-JZX
BrandMicrochip
PHP216.546
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. 665-8989
Mfr. Part No.TPS2375PW
PHP147.00
Each (In a Pack of 5)
units
- - - - - - - Surface Mount TSSOP 8 - - - 3 x 4.4 x 1.15mm
RS Stock No. 851-6705
Mfr. Part No.LTC4263CDE#PBF
PHP370.26
Each
units
100BaseTX, 10BaseT - NIC - - - IEEE 802.3 Surface Mount DFN 14 - - 48 V 4 x 3 x 0.7mm
RS Stock No. 912-2853
Mfr. Part No.LAN9218I-MT
BrandMicrochip
PHP1,002.23
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. 533-8798
Mfr. Part No.DP83816AVNG/NOPB
PHP564.90
Each
units
100BaseTX, 10BaseT PCI MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3u, IEEE 802.3x Surface Mount LQFP 144 Yes Yes 3.3 V 20 x 20 x 1.4mm
RS Stock No. 672-6837
Mfr. Part No.LAN91C111-NU
BrandMicrochip
PHP1,204.62
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
PHP1,093.81
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. 672-6821
Mfr. Part No.LAN9117-MT
BrandMicrochip
PHP611.63
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. 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. 187-7745
Mfr. Part No.LAN7431-I/YXX
BrandMicrochip
PHP343.26
Each
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. 162-4660
Mfr. Part No.DP83816AVNG/NOPB
PHP541.083
Each (In a Tray of 60)
units
100BaseTX, 10BaseT PCI MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3u, IEEE 802.3x Surface Mount LQFP 144 Yes Yes 3.3 V 20 x 20 x 1.4mm
RS Stock No. 672-6824
Mfr. Part No.LAN9118-MT
BrandMicrochip
PHP981.70
Each
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. 682-7438
Mfr. Part No.WG82574IT S LBAC
BrandIntel
PHP386.09
Each
units
1000BaseT, 100BaseTX, 10BaseT PCI GMII, MII, RMII Full Duplex, Half Duplex 10 Mbps, 100 Mbps, 1000 Mbps Internal IEEE 802.3ab Surface Mount PQFP 64 Yes Yes 1.05 V, 1.9 V, 3.3 V 9 x 9 x 2.55mm
RS Stock No. 911-5801
Mfr. Part No.LAN91C111-NS
BrandMicrochip
PHP1,083.08
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. 665-8992
Mfr. Part No.TPS2376D
PHP133.142
Each (In a Pack of 5)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
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. 155-9320
Mfr. Part No.LTC4265CDE#PBF
PHP152.74
Each (In a Tube of 91)
units
PoE-Base - PD Interface - - - IEEE 802.3 Surface Mount DFN 12 - - 60 (Max.) V 4 x 3 x 0.7mm
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