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. 178-4863
Mfr. Part No.ENC28J60-I/SO
BrandMicrochip
$4.367
Each (In a Tube of 27)
units
10BaseT Serial-SPI SPI Full Duplex, Half Duplex 10 Mbps, 100 Mbps, 1000 Mbps - IEEE 802.3 Surface Mount SOIC 28 - Yes 3.3 V 17.9 x 7.5 x 2.05mm
RS Stock No. 698-8987
Mfr. Part No.ENC28J60-I/SO
BrandMicrochip
$5.02
Each
units
10BaseT Serial-SPI SPI Full Duplex, Half Duplex 10 Mbps, 100 Mbps, 1000 Mbps - IEEE 802.3 Surface Mount SOIC 28 - Yes 3.3 V 17.9 x 7.5 x 2.05mm
RS Stock No. 178-5356
Mfr. Part No.LAN9252I/ML
BrandMicrochip
$15.015
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. 880-6714
Mfr. Part No.LAN9252I/ML
BrandMicrochip
$18.67
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. 178-5221
Mfr. Part No.LAN9252I/PT
BrandMicrochip
$16.533
Each (In a Tray of 160)
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 TQFP 64 Yes Yes 3.3 (Max.) V 10 x 10 x 1.05mm
RS Stock No. 880-6718
Mfr. Part No.LAN9252I/PT
BrandMicrochip
$20.55
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 TQFP 64 Yes Yes 3.3 (Max.) V 10 x 10 x 1.05mm
RS Stock No. 173-0300
Mfr. Part No.RTL8201CP-VD-LF
BrandWIZnet Inc
$2.372
Each (In a Tray of 260)
units
10BaseT, 100BaseTX - MII, SNI Full Duplex, Half Duplex 10 Mbps, 100 Mbps External, Internal IEEE 802.3u Surface Mount LQFP 48 Yes - 3.3 V 7 x 7 x 1.5mm
RS Stock No. 419-952
Mfr. Part No.RTL8201CP-VD-LF
BrandWIZnet Inc
$2.32
Each (In a Pack of 2)
units
10BaseT, 100BaseTX - MII, SNI Full Duplex, Half Duplex 10 Mbps, 100 Mbps External, Internal IEEE 802.3u Surface Mount LQFP 48 Yes - 3.3 V 7 x 7 x 1.5mm
RS Stock No. 889-5130
Mfr. Part No.LAN9514-JZX
BrandMicrochip
$7.32
Each (In a Tray of 260)
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
RS Stock No. 179-3970
Mfr. Part No.MPL360B-I/Y8X
BrandMicrochip
$13.266
Each (In a Tray of 250)
units
- PWM, SPI, UART PWM, SPI, UART - - - - Surface Mount TQFP 48 - Yes 3.3 V 7 x 7 x 1.05mm
RS Stock No. 758-1048
Mfr. Part No.W5200
BrandWIZnet Inc
$8.66
Each
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. 889-5294
Mfr. Part No.ENC28J60-I/ML
BrandMicrochip
$4.609
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. 170-0900
Mfr. Part No.W5200
BrandWIZnet Inc
$8.753
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. 770-7755
Mfr. Part No.ENC28J60-I/SS
BrandMicrochip
$4.85
Each (In a Pack of 2)
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. 665-8992
Mfr. Part No.TPS2376D
$4.708
Each (In a Pack of 5)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
RS Stock No. 672-6859
Mfr. Part No.LAN9220-ABZJ
BrandMicrochip
$8.69
Each
units
10BaseT, 100BaseTX - MII Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal ANSI 802.3, IEEE 802.3 Surface Mount QFN 56 Yes Yes 1.8 V, 3.3 V 8 x 8 x 0.95mm
RS Stock No. 179-4005
Mfr. Part No.MPL360B-I/Y8X
BrandMicrochip
$14.85
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. 533-8798
Mfr. Part No.DP83816AVNG/NOPB
$18.22
Each
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. 887-7215
Mfr. Part No.LAN9500A-ABZJ
BrandMicrochip
$5.64
Each (In a Tray of 260)
units
10BaseT, 100BaseTX 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. 851-4686
Mfr. Part No.LTC4265CDE#PBF
$7.17
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
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