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. 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. 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. 798-5236
Mfr. Part No.LAN9221I-ABZJ
BrandMicrochip
PHP425.40
Each
units
100BaseTX, 10BaseT - MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3, IEEE 802.3u Surface Mount QFN 56 Yes Yes 3.3 V 7.95 x 7.95 x 0.9mm
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. 887-7283
Mfr. Part No.LAN91C111-NU
BrandMicrochip
PHP1,000.65
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. 912-7025
Mfr. Part No.LAN7500-ABZJ
BrandMicrochip
PHP205.204
Each (In a Tray of 260)
units
1000BaseT, 100BaseTX, 10BaseT USB 1000BaseT, 100BaseTX, 10BaseT Full Duplex, Half Duplex 1000Mbit/s External, Internal IEEE 802.3, IEEE 802.3ab, IEEE 802.3u Surface Mount QFN 56 Yes - 3.3 V 8.15 x 8.15 x 0.95mm
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. 672-6846
Mfr. Part No.LAN9218i-MT
BrandMicrochip
PHP1,206.67
Each
units
100BaseTX, 10BaseT - MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal ANSI 802.3, IEEE 802.3u, ISO/IEC 8802-3 Surface Mount TQFP 100 Yes Yes 3.3 V 14 x 14 x 1.4mm
RS Stock No. 162-7567
Mfr. Part No.TPS2375PW
PHP108.15
Each (In a Tube of 150)
units
- - - - - - - Surface Mount TSSOP 8 - - - 3 x 4.4 x 1.15mm
RS Stock No. 911-5628
Mfr. Part No.LAN9218-MT
BrandMicrochip
PHP808.50
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. 798-5248
Mfr. Part No.LAN9514I-JZX
BrandMicrochip
PHP354.87
Each
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. 187-7715
Mfr. Part No.LAN7430-I/Y9X
BrandMicrochip
PHP303.634
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. 170-3017
Mfr. Part No.LTC4263CDE#PBF
PHP297.626
Each (In a Tube of 91)
units
100BaseTX, 10BaseT - NIC - - - IEEE 802.3 Surface Mount DFN 14 - - 48 V 4 x 3 x 0.7mm
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
RS Stock No. 823-0751
Mfr. Part No.LAN9730I-ABZJ
BrandMicrochip
PHP241.55
Each (In a Pack of 2)
units
100BaseTX, 10BaseT 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. 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. 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. 178-5007
Mfr. Part No.LAN9117-MT
BrandMicrochip
PHP511.361
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. 178-5221
Mfr. Part No.LAN9252I/PT
BrandMicrochip
PHP526.402
Each (In a Tray of 160)
units
100BaseTX, 10BaseT Host Bus MDI, MDIX, MII, RMII Full Duplex, Half Duplex 100Mbps Internal ANSI X3.263, IEEE 802.3, IEEE 802.3u Surface Mount TQFP 64 Yes Yes 3.3 (Max.) V 10 x 10 x 1.05mm
RS Stock No. 803-2339
Mfr. Part No.LAN7500-ABZJ
BrandMicrochip
PHP252.11
Each (In a Pack of 2)
units
1000BaseT, 100BaseTX, 10BaseT USB 1000BaseT, 100BaseTX, 10BaseT Full Duplex, Half Duplex 1000Mbit/s External, Internal IEEE 802.3, IEEE 802.3ab, IEEE 802.3u Surface Mount QFN 56 Yes - 3.3 V 8.15 x 8.15 x 0.95mm
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