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. 187-7717
Mfr. Part No.LAN7431-I/YXX
BrandMicrochip
$9.44
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. 162-7567
Mfr. Part No.TPS2375PW
$3.465
Each (In a Tube of 150)
units
- - - - - - - Surface Mount TSSOP 8 - - - 3 x 4.4 x 1.15mm
RS Stock No. 888-4843
Mfr. Part No.LAN9221I-ABZJ
BrandMicrochip
$11.376
Each (In a Tray of 260)
units
10BaseT, 100BaseTX - 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. 912-2853
Mfr. Part No.LAN9218I-MT
BrandMicrochip
$32.098
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. 672-6812
Mfr. Part No.LAN9115-MT
BrandMicrochip
$15.30
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. 665-8989
Mfr. Part No.TPS2375PW
$4.708
Each (In a Pack of 5)
units
- - - - - - - Surface Mount TSSOP 8 - - - 3 x 4.4 x 1.15mm
RS Stock No. 169-8261
Mfr. Part No.CS8900A-CQ3Z
$15.741
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. 178-5013
Mfr. Part No.LAN9215I-MT
BrandMicrochip
$17.402
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. 162-4660
Mfr. Part No.DP83816AVNG/NOPB
$19.267
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. 889-5446
Mfr. Part No.ENC424J600-I/PT
BrandMicrochip
$5.016
Each (In a Tray of 160)
units
10BaseT, 100BaseTX Serial-SPI MII, MIIM Full Duplex, Half Duplex 10 Mbps, 100 Mbps Internal IEEE 802.3 Surface Mount TQFP 44 Yes Yes 3.3 V 10 x 10 x 1mm
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. 911-5609
Mfr. Part No.LAN91C96-MU
BrandMicrochip
$22.352
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. 177-3551
Mfr. Part No.LAN7500I-ABZJ
BrandMicrochip
$9.677
Each (In a Tray of 260)
units
10BaseT, 100BaseTX, 1000BaseT USB 10BaseT, 100BaseTX, 1000BaseT 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. 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. 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. 178-5244
Mfr. Part No.LAN9512-JZX
BrandMicrochip
$6.017
Each (In a Tray of 260)
units
10BaseT, 100BaseTX - - Full Duplex, Half Duplex 10 Mbps, 100 Mbps - IEEE 802.3u Surface Mount QFN 64 Yes - 3.3 V 9 x 9 x 3.3mm
RS Stock No. 177-3534
Mfr. Part No.KSZ8851-16MLLI
BrandMicrochip
$6.831
Each (In a Tray of 250)
units
10BaseT, 100BaseTX BIU 10BaseT, 100BaseTX 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. 798-5248
Mfr. Part No.LAN9514I-JZX
BrandMicrochip
$12.85
Each
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. 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. 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
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