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. 803-2244
Mfr. Part No.LAN9500A-ABZJ
BrandMicrochip
PHP184.395
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. 178-5008
Mfr. Part No.LAN91C111I-NU
BrandMicrochip
PHP1,094.63
Each (In a Tray of 90)
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. 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
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. 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. 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. 889-5421
Mfr. Part No.LAN91C111I-NS
BrandMicrochip
PHP1,177.58
Each (In a Tray of 66)
units
100BaseTX, 10BaseT ISA MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3u Surface Mount QFP 128 Yes Yes 3.3 V 14.2 x 14.2 x 1.05mm
RS Stock No. 179-4005
Mfr. Part No.MPL360B-I/Y8X
BrandMicrochip
PHP382.93
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. 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. 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. 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. 798-5232
Mfr. Part No.LAN9215I-MT
BrandMicrochip
PHP652.05
Each
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. 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. 162-7568
Mfr. Part No.TPS2376D
PHP131.78
Each (In a Tube of 75)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
RS Stock No. 682-7435
Mfr. Part No.WG82574L S LBA9
BrandIntel
PHP318.52
Each
units
- - - - 1000Mbit/s - - Surface Mount QFN 64 - - 3.3 V 9 x 9 x 0.85mm
RS Stock No. 912-2941
Mfr. Part No.ENC28J60-I/SS
BrandMicrochip
PHP121.727
Each (In a Tube of 47)
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. 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. 228-986
Mfr. Part No.CS8900A-CQ3Z
PHP514.49
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
RS Stock No. 178-5006
Mfr. Part No.LAN9115-MT
BrandMicrochip
PHP397.95
Each (In a Tray of 90)
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. 772-9420
Mfr. Part No.LAN91C111I-NS
BrandMicrochip
PHP1,412.78
Each
units
100BaseTX, 10BaseT ISA MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3u Surface Mount QFP 128 Yes Yes 3.3 V 14.2 x 14.2 x 1.05mm
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