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KSZ8081RNB - 10BASE-T/100BASE-TX Physical Layer Transceiver

Download the KSZ8081RNB datasheet PDF. This datasheet also covers the KSZ8081MNX variant, as both devices belong to the same 10base-t/100base-tx physical layer transceiver family and are provided as variant models within a single manufacturer datasheet.

General Description

and Configuration 5 3.0 Functional Description 15 4.0 Register Descriptions 34 5.0 Operational Characteristics 45 6.0 Electrical Characteristics 46 7.0 Timing Diagrams 48 8.0 Package Outline 60 Appendix A: Data Sheet Revision History

Key Features

  • Single-chip 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet transceiver.
  • MII interface support (KSZ8081MNX).
  • RMII v1.2 Interface support with a 50 MHz reference clock output to MAC, and an option to input a 50 MHz reference clock (KSZ8081RNB).
  • Back-to-back mode support for a 100 Mbps  copper repeater.
  • MDC/MDIO management interface for PHY  register configuration.
  • Programmable interrupt output.
  • LED outputs for link, activity, and.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (KSZ8081MNX-Microchip.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription for KSZ8081RNB (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for KSZ8081RNB. For precise diagrams, and layout, please refer to the original PDF.

KSZ8081MNX/RNB 10BASE-T/100BASE-TX Physical Layer Transceiver Features • Single-chip 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet transceiver • MII interface support...

View more extracted text
e-TX IEEE 802.3 compliant Ethernet transceiver • MII interface support (KSZ8081MNX) • RMII v1.