

Microchip KSZ9131RNXC-TR
Manufacturer No:
KSZ9131RNXC-TR
Manufacturer:
Package:
48-VFQFN Exposed Pad
Description:
The KSZ9131 is an automotive integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Ethernet physical-layer transceiver, with LinkMD cable diagnostics.
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KSZ9131RNXC-TR information
Microchip KSZ9131RNXC-TR technical specifications, attributes, parameters and parts with similar specifications to Microchip KSZ9131RNXC-TR.
- Type
- Parameter
- Automotive
- Yes
- DownstreamPorts
- 1
- Energy Efficient Ethernet
- Yes
- EtherCAT
- No
- Port Speed
- 10/100/1000Mbps
- Fiber Support
- No
- HP Auto MDIX
- Yes
- On-Chip Termination
- Yes
- InterfaceUpStream
- MII/RGMII/GMII
- Internal Regulator
- Yes
- LinkMDCableDiag
- Yes
- MACsec
- No
- Supply Voltages
- 3.3
- SyncE
- No
- Temperature Range Max
- 105
- Temperature Range Min
- -40
- Digital I/O Voltage
- 1.8/2.5/3.3
- WakeonLAN
- Yes
- IEEE 1588 v2
- No
Download datasheets and manufacturer documentation for Microchip KSZ9131RNXC-TR.
Design Checklist:
Application Notes:
Supporting Collateral:
Brochures:
The KSZ9131 is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Ethernet physical-layer transceiver for transmission and reception of data on standard CAT-5, CAT-5e and CAT6 unshielded twisted pair (UTP) cable.
The KSZ9131RNX provides Reduced Gigabit Media Independent Interface RGMII and the KSZ9131MNX offers the industry-standard GMII/MII (Gigabit Media Independent Interface/Media Independent Interface) for connection to GMII/MII MACs in Gigabit Ethernet processors and switches for data transfer at 1000Mbps or 10/100Mbps.
The KSZ9131 reduces board cost and simplifies board layout by using on-chip termination resistors for the four differential pairs and by integrating an LDO controller to drive a low-cost MOSFET to supply the 1.2V core.
The KSZ9131 offers diagnostic features to facilitate system bring-up and debugging in production testing and in product deployment. Parametric NAND tree support enables fault detection between KSZ9131 I/Os and the board. The LinkMD® TDR-based cable diagnostic identifies faulty copper cabling. Remote and local loopback functions verify analog and digital data paths.
The standard KSZ9131RNX is available in the 48-pin, RoHS compliant QFN package, and the AEC-Q100 automotive qualified parts, KSZ9131RNXU and KSZ9131RNXV, are available in the 48-pin lead-RoHS compliant VQFN (wettable) package. The KSZ9131MNX is available in a 64-pin, RoHS Compliant QFN package.
Microchip's complimentary and confidential MicroCHECK design review service, which offers insight from the initial concept to the final PCB layout, is available to customers who are using our products in their projects. You can confidently submit your design materials in a secure and private setting, and our expert engineers will provide individualized feedback to enhance your design. MicroCHECK design review service is subject to Microchip's Program Terms and Conditions and requires a myMicrochip account.
- Operating voltages:
- Core (DVDDL, AVDDL, AVDDL_PLL): 1.2V (external FET or regulator)
- VDD I/O (DVDDH): 3.3V, 2.5V, or 1.8V
- Transceiver (AVDDH): 3.3V or 2.5V (commercial temp)
User Guide
Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.
MEANS OF PAYMENTFor your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.
RFQ (REQUEST FOR QUOTATIONS)Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.
Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1:Prepare product

Step2:Desiccant Protection

Step3:Vacuum Packaging

Step4:Individual Package

Step5:Anti-collision Filling

Step6:Packaging Box
1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
DELIVERY TIME1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.
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