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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LAN9254/JRX:
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.
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| 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 |
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