KSZ8081MNXIA +BOM

Description

Here's a concise introduction to the KSZ8081MNXIA: The KSZ8081MNXIA is a 10/100 BASE-TX physical layer transceiver from Microchip Technology, designed for embedded systems and IoT devices. This single-chip Ethernet transceiver supports IEEE 802.3 compliance and offers a range of features such as MII interface support, RMII v1.2 interface support, and auto-negotiation for link speed and duplex. The device also features programmable interrupt output, LED outputs for link and activity status indication, and on-chip termination resistors. With its small form factor, low power consumption, and reliability, the KSZ8081MNXIA is suitable for various networking applications in constrained environments such as industrial automation, automotive, home automation, and smart grid systems. Its flexibility makes it a popular choice for custom designs in these domains.

Features

According to the product information, the KSZ8081MNXIA features include:

• Single-chip 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet transceiver
• MII interface support (KSZ8081MNX)
• RMII v1.2 Interface support with a 50MHz reference clock output to MAC, and an option to input a 50MHz reference clock (KSZ8081RNB)
• RMII back-to-back mode support for a 100Mbps copper repeater
• MDC/MDIO management interface for PHY register configuration
• Programmable interrupt output
• LED outputs for link and activity status indication
• On-chip termination resistors for the differential pairs
• Baseline wander correction
• HP Auto MDI/MDI-X to reliably detect and correct straight-through and crossover cable connections with disable and enable option
• Auto-negotiation to automatically select the highest linkup speed (10/100Mbps) and duplex (half/full)
• Power-down and power-saving modes
• LinkMD TDR-based cable diagnostics to identify faulty copper cabling
• Parametric NAND Tree support for fault detection between chip I/Os and the board
• Loopback modes for diagnostics
• Single 3.3V power supply with VDD I/O options for 1.8V, 2.5V, or 3.3V

Package

The package type of KSZ8081MNXIA is VQFN-32.

Pinout

The KSZ8081MNXIA has a pin count of 32 (VQFN-32). The functions of each pin are:

• Digital I/O pins: MDC, MDIO, RXD0-RXD3, TXD0-TXD3, INT
• Analog pins: VDD, VSS, REF_CLK, REF_25, REF_50
• Power and ground pins: VDD, VSS

This device is a 10/100BASE-TX physical layer transceiver with an MII interface. It supports RMII v1.2 and has programmable interrupt output, LED outputs for link and activity status indication, and on-chip termination resistors for the differential pairs.

Manufacturer

The manufacturer of the KSZ8081MNXIA is Microchip Technology. Microchip Technology is a leading provider of microcontrollers, memory devices, analog semiconductors, and system solutions worldwide. They offer a diverse range of semiconductor products, including microcontrollers, digital signal processors (DSPs), field-programmable gate arrays (FPGAs), high-performance programmable logic, memory intellectual property (IP), and customized embedded systems solutions. With over four decades of experience, Microchip Technology is a well-established company in the electronics industry, known for their innovative products and solutions that enable a wide range of applications.

Applications

The application areas of the KSZ8081MNXIA are:

• Embedded systems
• IoT devices for Ethernet connectivity
• Industrial automation
• Automotive applications
• Home automation
• Smart grid systems

Equivalent

The equivalent products of KSZ8081MNXIA are:

• Micrel KSZ8791L
• Marvell 88E1510S
• Broadcom BCM54616S
• Realtek RTL8211EI

These products offer similar features, such as 10/100BASE-TX Ethernet transceiver, MII/RMII interface, and auto-negotiation.