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. 851-6705
Mfr. Part No.LTC4263CDE#PBF
SGD10.68
Each
units
100BaseTX, 10BaseT - NIC - - - IEEE 802.3 Surface Mount DFN 14 - - 48 V 4 x 3 x 0.7mm
RS Stock No. 911-5609
Mfr. Part No.LAN91C96-MU
BrandMicrochip
SGD20.03
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. 912-2941
Mfr. Part No.ENC28J60-I/SS
BrandMicrochip
SGD3.86
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. 162-7567
Mfr. Part No.TPS2375PW
SGD3.10
Each (In a Tube of 150)
units
- - - - - - - Surface Mount TSSOP 8 - - - 3 x 4.4 x 1.15mm
RS Stock No. 889-5342
Mfr. Part No.LAN9118-MT
BrandMicrochip
SGD23.40
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. 173-0305
Mfr. Part No.W5300
BrandWIZnet Inc
SGD8.617
Each (In a Tray of 90)
units
100BaseTX, 10BaseT - 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
SGD13.248
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. 177-3997
Mfr. Part No.KSZ8851-16MLLI
BrandMicrochip
SGD6.87
Each (In a Pack of 2)
units
100BaseTX, 10BaseT BIU 100BaseTX, 10BaseT Full Duplex, Half Duplex 100Mbit/s Internal IEEE 802.3u, IEEE 802.3x Surface Mount LQFP 48 Yes Yes 3.3 V 7.1 x 7.1 x 1.45mm
RS Stock No. 177-3920
Mfr. Part No.LAN7500I-ABZJ
BrandMicrochip
SGD10.10
Each
units
1000BaseT, 100BaseTX, 10BaseT USB 1000BaseT, 100BaseTX, 10BaseT Full Duplex, Half Duplex 1000Mbit/s Internal IEEE 802.3, IEEE 802.3ab, IEEE 802.3u Surface Mount QFN 56 - - 3.3 V 8.15 x 8.15 x 0.95mm
RS Stock No. 170-3017
Mfr. Part No.LTC4263CDE#PBF
SGD7.803
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. 162-7568
Mfr. Part No.TPS2376D
SGD4.029
Each (In a Tube of 75)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
RS Stock No. 772-9420
Mfr. Part No.LAN91C111I-NS
BrandMicrochip
SGD40.55
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
RS Stock No. 861-0576
Mfr. Part No.LAN91C113-NU
BrandMicrochip
SGD16.97
Each
units
100BaseTX, 10BaseT - 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. 910-1613
Mfr. Part No.KSZ8851-16MLL
BrandMicrochip
SGD5.98
Each
units
100BaseTX, 10BaseT - - 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. 798-5232
Mfr. Part No.LAN9215I-MT
BrandMicrochip
SGD18.72
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. 825-1048
Mfr. Part No.LAN91C96-MS
BrandMicrochip
SGD24.02
Each
units
10BaseT SPI AUI Full Duplex 10Mbps External, Internal ANSI 8802-3, IEEE 802.3 Surface Mount QFP 100 - Yes 5 V 20.1 x 14.1 x 3.05mm
RS Stock No. 823-3450
Mfr. Part No.LAN9512I-JZX
BrandMicrochip
SGD9.14
Each
units
100BaseTX, 10BaseT - - Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3, IEEE 802.3u Surface Mount QFN 64 Yes - 1.8 V, 3.3 V 9.1 x 9.1 x 0.95mm
RS Stock No. 177-3534
Mfr. Part No.KSZ8851-16MLLI
BrandMicrochip
SGD4.925
Each (In a Tray of 250)
units
100BaseTX, 10BaseT BIU 100BaseTX, 10BaseT Full Duplex, Half Duplex 100Mbit/s Internal IEEE 802.3u, IEEE 802.3x Surface Mount LQFP 48 Yes Yes 3.3 V 7.1 x 7.1 x 1.45mm
RS Stock No. 880-6718
Mfr. Part No.LAN9252I/PT
BrandMicrochip
SGD16.86
Each
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. 912-7025
Mfr. Part No.LAN7500-ABZJ
BrandMicrochip
SGD6.00
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
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