KSZ8841-16MVLI-TR Microchip Technology IC TXRX PHY 10/100 1PORT 128LQFP


The KSZ8841-16MVLI-TR is a single-port embedded Ethernet controller chip designed and manufactured by Microchip Technology. Below are the details and specifications for this component:


  • Part Number: KSZ8841-16MVLI-TR
  • Type: Ethernet Controller (PHY - Physical Layer Transceiver)
  • Data Rate(s): 10/100 Mbps
  • Package/Case: 128-LQFP (Low-Profile Quad Flat Package)
  • Interface: MII (Media Independent Interface) or RMII (Reduced MII)
  • Operating Temperature Range: -40°C to 85°C
  • Supply Voltage: 3.3V
  • Features: Integrated MAC and PHY, IEEE 802.3 and 802.3u Compliance, IEEE 1588 Precision Time Protocol (PTP) Support, Comprehensive Power Management, RMII Interface for 10/100 Mbps Connectivity, 128-Byte Transmit and Receive FIFOs


The KSZ8841-16MVLI-TR serves as an Ethernet physical layer transceiver (PHY) combined with an integrated Media Access Control (MAC) designed for use in embedded systems and networking applications. It is commonly used to enable Ethernet connectivity within various devices, including industrial automation, automotive, medical, and consumer electronics.


This specific chip is often used in various applications, such as:

  • Embedded Systems: Enabling network connectivity in embedded systems like industrial controllers, IoT devices, and smart appliances.
  • Switches and Routers: Integrated into network switches and routers to facilitate Ethernet connectivity.
  • Automotive and Industrial Applications: Providing Ethernet connectivity for in-vehicle networks and industrial automation systems.


  • Integrated Solution: The integrated MAC and PHY reduce external component count and design complexity.
  • IEEE 1588 PTP Support: Capable of Precision Time Protocol support for applications requiring synchronized network timing.
  • Low Power Operation: The chip offers comprehensive power management features, making it suitable for power-sensitive applications.

The KSZ8841-16MVLI-TR is a popular choice for adding Ethernet connectivity to various embedded systems and devices, offering a cost-effective and compact solution for enabling 10/100 Mbps Ethernet communication.