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LAN9253 EtherCAT® Device Controller

Microchip Technology LAN9253 EtherCAT® Device Controller provides dual-integrated Ethernet PHYs, each of which provides a full-duplex 100BASE-TX transceiver and supports 100Mbps operation. The LAN9253 supports HP Auto-MDIX, allowing the use of direct-connect or cross-over LAN cables. This device provides system developers a cost-effective solution for realizing EtherCAT device solutions. The LAN9253 includes a 3-port EtherCAT slave controller with 8K bytes of Dual Port memory (DPRAM), 8 SyncManagers, 8 Fieldbus Memory Management Units (FMMUs), and a 64-bit Distributed Clock.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package/Case	Product	Standard	Number of Transceivers	Data Rate	Interface Type	Supply Voltage - Max	Maximum Operating Temperature	Packaging
	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs LAN9253-I/R4X Microchip Technology 1: $11.11 14In Stock 2,600Expected 2026/12/21	Mfr. Part No. LAN9253-I/R4X Mouser Part No 579-LAN9253-I/R4X	Microchip Technology	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs Learn More about Microchip Technology microchip lan9253 ethercat controller	Datasheet	14In Stock 2,600Expected 2026/12/21	$11.11 $9.30	Min.: 1 Mult.: 1			SMD/SMT	QFN-64	Ethernet Controllers	100BASE-TX	2 Transceiver	100 Mb/s	8 bit/16 bit, GPIO, MDI, MDI-X, SPI	3.3 V	+ 85 C	Tray
	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs LAN9253-V/R4X Microchip Technology 1: $12.61 1,271In Stock 1,560Expected 2026/11/24	Mfr. Part No. LAN9253-V/R4X Mouser Part No 579-LAN9253-V/R4X	Microchip Technology	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs Learn More about Microchip Technology microchip lan9253 ethercat controller	Datasheet	1,271In Stock 1,560Expected 2026/11/24	$12.61 $10.55	Min.: 1 Mult.: 1			SMD/SMT	QFN-64	Ethernet Controllers	100BASE-TX	2 Transceiver	100 Mb/s	8 bit/16 bit, GPIO, MDI, MDI-X, SPI	3.3 V	+ 105 C	Tray
	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs LAN9253/R4X Microchip Technology 1: $10.11 287In Stock	Mfr. Part No. LAN9253/R4X Mouser Part No 579-LAN9253/R4X	Microchip Technology	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs Learn More about Microchip Technology microchip lan9253 ethercat controller	Datasheet	287In Stock	$10.11 $8.46	Min.: 1 Mult.: 1			SMD/SMT	QFN-64	Ethernet Controllers	100BASE-TX	2 Transceiver	100 Mb/s	8 bit/16 bit, GPIO, MDI, MDI-X, SPI	3.3 V	+ 70 C	Tray
	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs LAN9253T-I/R4X Microchip Technology 3,000: $9.37 Non-Stocked Lead-Time 38 Weeks	Mfr. Part No. LAN9253T-I/R4X Mouser Part No 579-LAN9253T-I/R4X	Microchip Technology	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs Learn More about Microchip Technology microchip lan9253 ethercat controller	Datasheet	Non-Stocked Lead-Time 38 Weeks	Reel $9.37	Min.: 3,000 Mult.: 3,000 : 3,000			SMD/SMT	QFN-64								Reel
	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs LAN9253T-V/R4X Microchip Technology 3,000: $10.64 Non-Stocked Lead-Time 38 Weeks	Mfr. Part No. LAN9253T-V/R4X Mouser Part No 579-LAN9253T-V/R4X	Microchip Technology	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs Learn More about Microchip Technology microchip lan9253 ethercat controller	Datasheet	Non-Stocked Lead-Time 38 Weeks	Reel $10.64	Min.: 3,000 Mult.: 3,000 : 3,000			SMD/SMT	QFN-64								Reel
	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs LAN9253T/R4X Microchip Technology 3,000: $8.52 Non-Stocked Lead-Time 38 Weeks	Mfr. Part No. LAN9253T/R4X Mouser Part No 579-LAN9253T/R4X	Microchip Technology	Ethernet ICs 2/3-Port EtherCAT Slave Controller with Integrated Ethernet PHYs Learn More about Microchip Technology microchip lan9253 ethercat controller	Datasheet	Non-Stocked Lead-Time 38 Weeks	Reel $8.52	Min.: 3,000 Mult.: 3,000 : 3,000			SMD/SMT	QFN-64								Reel