KSZ8081RNAIA Ethernet IC 10/100 Base-T/TX Physical Layer Transceiver With RMII Support

Ethernet IC
June 11, 2025
Category Connection: Ethernet IC
Brief: Discover the KSZ8081RNAIA Ethernet IC, a high-performance 10/100 Base-T/TX physical layer transceiver with RMII support. Ideal for game consoles, IP phones, and more, this IC simplifies board layout with on-chip termination resistors and integrated low-noise regulation. Learn about its features and applications in this video.
Related Product Features:
  • Single-chip 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet transceiver for reliable data transmission.
  • Supports MII and RMII v1.2 interfaces with a 50MHz reference clock output to MAC.
  • Features RMII back-to-back mode for 100Mbps copper repeater applications.
  • Includes MDC/MDIO management interface for easy PHY register configuration.
  • Programmable interrupt output and LED outputs for link and activity status indication.
  • On-chip termination resistors for differential pairs simplify board layout.
  • HP Auto MDI/MDI-X ensures reliable cable connection detection and correction.
  • Single 3.3V power supply with VDD I/O options for 1.8V, 2.5V, or 3.3V compatibility.
Faqs:
  • What standards does the KSZ8081RNAIA Ethernet IC comply with?
    The KSZ8081RNAIA complies with 10BASE-T and 100BASE-TX IEEE 802.3 standards.
  • What applications is the KSZ8081RNAIA suitable for?
    It is ideal for game consoles, IP phones, IP set-top boxes, IP TVs, LOM, and printers.
  • Does the KSZ8081RNAIA support auto-negotiation for speed and duplex settings?
    Yes, it features auto-negotiation to automatically select the highest linkup speed (10/100Mbps) and duplex (half/full) settings.