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. 665-8992
Mfr. Part No.TPS2376D
HK$23.96
Each (In a Pack of 5)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
RS Stock No. 187-7717
Mfr. Part No.LAN7431-I/YXX
BrandMicrochip
HK$45.475
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. 911-5628
Mfr. Part No.LAN9218-MT
BrandMicrochip
HK$131.78
Each (In a Tray of 90)
units
10BaseT, 100BaseTX 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. 698-9126
Mfr. Part No.W5300
BrandWIZnet Inc
HK$55.62
Each
units
10BaseT, 100BaseTX - MDI/MDIX, MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps - - Surface Mount LQFP 100 Yes Yes 3.3 V 14.1 x 14.1 x 1.4mm
RS Stock No. 154-7661
Mfr. Part No.LTC4267IDHC-3#PBF
HK$36.369
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. 798-5232
Mfr. Part No.LAN9215I-MT
BrandMicrochip
HK$109.02
Each
units
10BaseT, 100BaseTX - 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. 187-7715
Mfr. Part No.LAN7430-I/Y9X
BrandMicrochip
HK$49.976
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. 170-0900
Mfr. Part No.W5200
BrandWIZnet Inc
HK$35.222
Each (On a Reel of 2000)
units
10BaseT, 100BaseTX 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. 672-6824
Mfr. Part No.LAN9118-MT
BrandMicrochip
HK$159.50
Each
units
10BaseT, 100BaseTX 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. 173-0305
Mfr. Part No.W5300
BrandWIZnet Inc
HK$50.74
Each (In a Tray of 90)
units
10BaseT, 100BaseTX - MDI/MDIX, MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps - - Surface Mount LQFP 100 Yes Yes 3.3 V 14.1 x 14.1 x 1.4mm
RS Stock No. 155-9351
Mfr. Part No.LTC4266IUHF#PBF
HK$75.387
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. 665-8989
Mfr. Part No.TPS2375PW
HK$23.96
Each (In a Pack of 5)
units
- - - - - - - Surface Mount TSSOP 8 - - - 3 x 4.4 x 1.15mm
RS Stock No. 911-5609
Mfr. Part No.LAN91C96-MU
BrandMicrochip
HK$113.72
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. 798-5245
Mfr. Part No.LAN9500AI-ABZJ
BrandMicrochip
HK$41.55
Each
units
10BaseT, 100BaseTX - 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. 178-5356
Mfr. Part No.LAN9252I/ML
BrandMicrochip
HK$74.737
Each (In a Tray of 260)
units
10BaseT, 100BaseTX Host Bus MDI, MDIX, MII, RMII Full Duplex, Half Duplex 100Mbps Internal ANSI X3.263, IEEE 802.3, IEEE 802.3u Surface Mount QFN 64 Yes Yes 3.3 (Max.) V 9 x 9 x 0.95mm
RS Stock No. 178-5232
Mfr. Part No.KSZ8851-16MLL
BrandMicrochip
HK$27.331
Each (In a Tray of 250)
units
10BaseT, 100BaseTX - - 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
HK$82.354
Each (In a Tray of 90)
units
10BaseT, 100BaseTX - 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. 889-5294
Mfr. Part No.ENC28J60-I/ML
BrandMicrochip
HK$23.45
Each (In a Tube of 61)
units
10BaseT Serial-SPI MII, MIIM Full Duplex, Half Duplex 10Mbps - IEEE 802.3 Surface Mount QFN EP 28 - Yes 3.3 V 6 x 6 x 0.88mm
RS Stock No. 880-6714
Mfr. Part No.LAN9252I/ML
BrandMicrochip
HK$92.99
Each
units
10BaseT, 100BaseTX Host Bus MDI, MDIX, MII, RMII Full Duplex, Half Duplex 100Mbps Internal ANSI X3.263, IEEE 802.3, IEEE 802.3u Surface Mount QFN 64 Yes Yes 3.3 (Max.) V 9 x 9 x 0.95mm
RS Stock No. 772-9610
Mfr. Part No.LAN9514-JZX
BrandMicrochip
HK$48.03
Each
units
10BaseT, 100BaseTX 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
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