LAN9254/JRX Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip LAN9254/JRX is an EtherCAT slave controller with integrated dual Ethernet PHYs, supporting 100 Mbps real-time industrial Ethernet in an 80-pin TQFP package for motion control and I/O systems.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 80
- Lifecycle
- ACTIVE
- Datasheet
- LAN9254/JRX Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.3700(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LAN9254/JRX?
- Integrated EtherCAT slave controller with dual 100 Mbps Ethernet PHYs eliminating external PHY components in industrial real-time Ethernet designs
- Supports EtherCAT protocol with hardware-accelerated frame processing enabling sub-microsecond cycle times for motion control and I/O applications
- 80-pin TQFP package providing extensive I/O and host interface connectivity for system-on-module and embedded industrial board designs
- Introduced 2020 with YTEOL 19 ensuring long-term availability for industrial automation designs with extended lifecycle requirements
- RoHS e3-compliant matte tin finish supporting global environmental and reliability standards for industrial electronics
What is LAN9254/JRX used for?
The LAN9254/JRX enables EtherCAT slave node implementation in servo drives, stepper motor controllers, and distributed I/O modules that demand real-time industrial Ethernet communication at 100 Mbps. Its integrated dual PHY design simplifies hardware by eliminating external Ethernet transceiver chips, allowing engineers to connect directly to EtherCAT ring or daisy-chain topologies with a single 80-pin TQFP device. Factory automation equipment, robotics joints, and PLC expansion modules benefit from the LAN9254's hardware-accelerated EtherCAT processing, which achieves the deterministic latency required for synchronized multi-axis motion control.
What are the specifications of LAN9254/JRX?
| Manufacturer Package Code | TQFP-80 |
| Factory Lead Time | 18Weeks |
| Date Of Intro | 2020-08-18 |
| YTEOL | 19 |
| JESD-609 Code | e3 |
| Telecom IC Type | ETHERNET TRANSCEIVER |
| Terminal Finish | Matte Tin (Sn) |
| ## LAN9254/JRX Alternates Showing results | Image |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Taiwan |
Where can I find the LAN9254/JRX datasheet?
LAN9254/JRX Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for LAN9254/JRX?
Compatible alternatives and drop-in replacements for LAN9254/JRX:
suggested
suggested
Frequently Asked Questions
How does the LAN9254/JRX integrate dual Ethernet PHYs to simplify EtherCAT slave hardware design?
The LAN9254/JRX incorporates two 100 Mbps Ethernet PHYs inside the 80-pin TQFP package, allowing the device to connect to both the input and output EtherCAT ports of a daisy-chain topology without external transceiver ICs. This integration reduces BOM by at least 2 discrete PHY components and their associated magnetics, shrinking board area and eliminating inter-chip signal integrity challenges on high-speed 100 Mbps Ethernet traces.
Which real-time industrial applications require the sub-microsecond latency that LAN9254/JRX supports?
EtherCAT slave implementations using the LAN9254/JRX achieve hardware forwarding latency below 1 µs per node, meeting the stringent timing requirements of multi-axis servo drives, high-speed pick-and-place machines, and synchronized I/O expansion modules. For motion control networks where all axes must update position commands within a 250 µs cycle, the LAN9254's hardware-accelerated frame processing ensures each slave node adds minimal propagation delay across a 100 Mbps ring.
What is the factory lead time for LAN9254/JRX, and how should procurement planning account for it?
The LAN9254/JRX has a factory lead time of 18 weeks, meaning design teams should initiate purchase orders approximately 5 months before production start. Given the device's specialized EtherCAT controller function and limited second-source alternatives, carrying safety stock equivalent to 4 to 6 weeks of production demand is advisable. The YTEOL rating of 19 confirms long-term availability through the lifecycle of most industrial automation product programs.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $11.1100 | $11.11 |
| 25+ | $9.2600 | $231.50 |
| 100+ | $8.4200 | $842.00 |
| 1000+ | $7.7800 | $7780.00 |
| 5000+ | $7.3700 | $36850.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit