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. 179-4005
Mfr. Part No.MPL360B-I/Y8X
BrandMicrochip
HK$72.42
Each
units
- - - - - - - Surface Mount TQFP 48 - Yes 3.3 V 7 x 7 x 1.05mm
RS Stock No. 178-5013
Mfr. Part No.LAN9215I-MT
BrandMicrochip
HK$81.52
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 100 Yes Yes 3.3 V 14.1 x 14.1 x 1.45mm
RS Stock No. 672-6843
Mfr. Part No.LAN9215-MT
BrandMicrochip
HK$85.51
Each
units
10BaseT, 100BaseTX - MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3u Surface Mount TQFP 100 Yes Yes 3.3 V 14.1 x 14.1 x 1.45mm
RS Stock No. 912-7000
Mfr. Part No.LAN9730I-ABZJ
BrandMicrochip
HK$31.628
Each (In a Tray of 260)
units
10BaseT, 100BaseTX USB MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps - IEEE 802.3, IEEE 802.3u Surface Mount QFN 56 Yes - 3.3 V 8.15 x 8.15 x 0.9mm
RS Stock No. 178-5356
Mfr. Part No.LAN9252I/ML
BrandMicrochip
HK$159.621
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. 912-2853
Mfr. Part No.LAN9218I-MT
BrandMicrochip
HK$156.824
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. 162-4660
Mfr. Part No.DP83816AVNG/NOPB
HK$70.88
Each (In a Tray of 60)
units
10BaseT, 100BaseTX 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. 187-7742
Mfr. Part No.LAN7430-I/Y9X
BrandMicrochip
HK$102.11
Each
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. 419-978
Mfr. Part No.W3150A+
BrandWIZnet Inc
HK$34.14
Each
units
10BaseT, 100BaseTX SPI MII Full Duplex 25Mbps - - Surface Mount LQFP 64 Yes - 3.3 V 10.1 x 10.1 x 1.45mm
RS Stock No. 911-5801
Mfr. Part No.LAN91C111-NS
BrandMicrochip
HK$172.853
Each (In a Tray of 66)
units
10BaseT, 100BaseTX 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. 851-4689
Mfr. Part No.LTC4265IDE#PBF
HK$34.105
Each (In a Pack of 2)
units
PoE-Base - PD Interface - - - IEEE 802.3 Surface Mount DFN 12 - - 60 (Max.) V 4 x 3 x 0.7mm
RS Stock No. 187-7745
Mfr. Part No.LAN7431-I/YXX
BrandMicrochip
HK$92.82
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. 889-5809
Mfr. Part No.LAN9514I-JZX
BrandMicrochip
HK$46.004
Each (In a Tray of 260)
units
10BaseT, 100BaseTX - - 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. 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. 155-9320
Mfr. Part No.LTC4265CDE#PBF
HK$24.678
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
RS Stock No. 155-9351
Mfr. Part No.LTC4266IUHF#PBF
HK$75.001
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. 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. 672-6812
Mfr. Part No.LAN9115-MT
BrandMicrochip
HK$75.01
Each
units
10BaseT, 100BaseTX - 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. 162-7568
Mfr. Part No.TPS2376D
HK$19.24
Each (In a Tube of 75)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
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