KSZ8041RNL-TR Integrated Circuits (ICs)

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The KSZ8041RNL-TR is an Ethernet physical layer transceiver (PHY) of the family of low-cost and low-power devices that is designed for use in 10 BASE-T and100 BASE-TX applications.The device offers an integrated 5-port switch featuring a powerful 10/100 Ethernet media access controller (MAC) and a 10BASE-T/100BASE-TX physical layer transceiver.The KSZ8041RNL-TR is an ideal choice for a wide range of applications, such as automotive, industrial, embedded, and consumer electronics. This article provides an overview of the main features of the KSZ8041RNL-TR and discusses its application fields and working principles.

Overview

The KSZ8041RNL-TR is a fully-integrated 10BASE-T/100BASE-TX transceiver that provides 100 Mbps data transfer rate in either full or half-duplex mode. It supports both twisted-pair and fiber cabling, providing an added level of flexibility. The device also supports auto-negotiation and auto-crossover, which significantly simplifies cabling configuration. The KSZ8041RNL-TR features a low-power shutdown mode that consumes minimal power when the device is not in use, making it suitable for applications where power consumption is critical. The device also offers a high-performance, configurable, coherent EEE feature that allows for improved energy efficiency.

Application fields

The KSZ8041RNL-TR is commonly used in various types of data and voice applications such as digital subscriber line (DSL) modems, VoIP phones, and point-to-point Ethernet systems. It is also suitable for use in residential gateways, small office-home office (SOHO) networks, and industrial Ethernet applications. Additionally, the device is suitable for use in small form factor and low profile applications, such as optical Ethernet transceivers.

Working principle

The KSZ8041RNL-TR is a single-chip solution that combines a physical layer device (PHY), a media access controller (MAC), and a switch controller. The PHY is used to convert digital information into an electrical signal that can be transmitted over physical mediums such as twisted-pair or fiber-optic cables. The MAC manages the flow of data packets over an Ethernet network. It controls the reception and transmission of data packets, and is responsible for generating the necessary Ethernet frame format. The switch controller stores and forwards incoming packets, and provides filtering and forwarding of packets based on various packet header parameters.

The device supports various data transfer capabilities, such as 10/100 Mbps full and half-duplex modes, low-power shutdown modes, link fail-safe mode, auto-negotiation, and auto-crossover. The device also supports energy-efficient ethernet (EEE) feature, which allows the device to transition to the lowest possible power state when no data is flowing, thus reducing overall power consumption. Additionally, the device supports advanced error detection and buffering mechanisms that allow for reliable operation.

The KSZ8041RNL-TR is a highly integrated, low-cost and low-power device that is suitable for a wide range of Ethernet applications. It provides robust performance and high reliability, and is an ideal choice for a variety of applications where power consumption is critical. Additionally, the device offers an extended operating temperature range, making it suitable for use in harsh environments.

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