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. 419-952
Mfr. Part No.RTL8201CP-VD-LF
BrandWIZnet Inc
HK$20.145
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. 162-8151
Mfr. Part No.DP83815DVNG/NOPB
HK$96.808
Each (In a Tray of 60)
units
10BaseT, 100BaseTX BIU, MAC, PCI MII Full Duplex 10 Mbps, 100 Mbps Internal ANSI X3.263, IEEE 802.3, IEEE 802.3u Surface Mount LQFP 144 Yes Yes 3.3 V 20 x 20 x 1.4mm
RS Stock No. 880-6718
Mfr. Part No.LAN9252I/PT
BrandMicrochip
HK$99.48
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. 912-2941
Mfr. Part No.ENC28J60-I/SS
BrandMicrochip
HK$19.50
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. 162-4660
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. 155-9320
Mfr. Part No.LTC4265CDE#PBF
HK$25.011
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. 889-5803
Mfr. Part No.LAN9500AI-ABZJ
BrandMicrochip
HK$36.906
Each (In a Tray of 260)
units
10BaseT, 100BaseTX - 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. 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. 665-8992
Mfr. Part No.TPS2376D
HK$17.20
Each (In a Pack of 5)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
RS Stock No. 177-3997
Mfr. Part No.KSZ8851-16MLLI
HK$42.995
Each (In a Pack of 2)
units
10BaseT, 100BaseTX - 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. 758-1048
Mfr. Part No.W5200
BrandWIZnet Inc
HK$38.47
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. 889-5130
Mfr. Part No.LAN9514-JZX
BrandMicrochip
HK$38.477
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. 145-7453
Mfr. Part No.LTC4269IDKD-1#PBF
HK$40.023
Each (In a Tube of 52)
units
PoE-Base - PD Interface - - - IEEE 802.3 Surface Mount DFN 32 - - 60 (Max.) V 7 x 4 x 0.7mm
RS Stock No. 672-6828
Mfr. Part No.LAN91C111I-NU
BrandMicrochip
HK$224.44
Each
units
10BaseT, 100BaseT, 100BaseT4, 100BaseTX 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. 162-7568
Mfr. Part No.TPS2376D
HK$21.026
Each (In a Tube of 75)
units
- - - - - - - Surface Mount SOIC 8 - - - 4.9 x 3.91 x 1.58mm
RS Stock No. 155-9321
Mfr. Part No.LTC4265IDE#PBF
HK$29.892
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. 858-0633
Mfr. Part No.LTC4266IUHF#PBF
HK$95.41
Each
units
IEEE802.3 I2C - - - - IEEE 802.3af Surface Mount QFN 38 - - 3.3 V 7 x 5 x 0.7mm
RS Stock No. 178-5221
Mfr. Part No.LAN9252I/PT
BrandMicrochip
HK$206.70
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. 672-6843
Mfr. Part No.LAN9215-MT
BrandMicrochip
HK$92.52
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. 672-6846
Mfr. Part No.LAN9218i-MT
BrandMicrochip
HK$194.06
Each
units
10BaseT, 100BaseTX - 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
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