BCM5241A1KMLGT

Series:	--
Part Status:	Active
Type:	Transceiver
Protocol:	Ethernet
Number of Drivers/Receivers:	1/1
Duplex:	--
Data Rate:	--
Voltage - Supply:	2.5V, 3.3V
Operating Temperature:	--

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Introduction

BCM5241A1KMLGT is an integrated physical layer transceiver that provides a versatile and reliable solution for media access controller (MAC) to physical (PHY) Media Access Controller (MAC-to-PHY) interface. It features a configurable Interface for operation on a variety of media types, such as category-5 UTP, 10Base-T, 100Base-TX and 1000Base-T, in both full-duplex and half-duplex modes. In addition, it is backward compatible with IEEE 802.3u and IEEE 802.3ab. The device offers a wide range of functionalities, including MDI/MDIX (media dependence interface/crossover) Auto-negotiation, Cable Length Detection, and Receive Equalization.

Resolution

Application Field

BCM5241A1KMLGT is a versatile and high-performing solution for media access controller (MAC)-to-physical (PHY) media access controller (MAC-to-PHY) interfaces. This integrated physical layer transceiver can be used in a variety of media types, such as category-5 UTP, 10Base-T, 100Base-TX and 1000Base-T, in both full-duplex and half-duplex modes. Furthermore, it is also compliant with the standards of IEEE 802.3u and IEEE 802.3ab, making it perfectly backwards compatible with the relatively outdated protocols. BCM5241A1KMLGT is thus used to operate modems, enables the internet connection, and helps to improve the traffic performance for a variety of fast-legacy applications.

Working Principle

The BCM5241A1KMLGT is built on an advanced process technology and includes an integrated internal PLL that requires only a single 12MHz crystal for the 10/100/1000M Base-T interface. The device has one Ethernet PHY with support for 10BASE-T, 100BASE-TX, and 1000BASE-T with automatic MDI/MDIX (Media Dependent Interface/Crossover) support. Its low-power MAC-to-PHY interface is configurable, allowing lower cost implementations and improved design flexibility while reducing system cost.The device also features Cable Length Detection (CLD) to indicate the presence of 10/100/1000M Base-T cable that is connected to the PHY. This acts as a warning to the link partner that the cable length is either too long or too short to support the negotiated data rate, helping to speed up remote troubleshooting and optimize link performance. It also provides an auto-negotiation function that is compliant with IEEE 802.3 ab, supporting auto-negotiations between other IEEE 802.3 ab compliant PHYs operating at 10BASE-T, 100BASE-TX and 1000BASE-T.

Conclusion

The features integrated into the BCM5241A1KMLGT make it an ideal solution for media access controller (MAC)-to-physical (PHY) media access controller (MAC-to-PHY) interface. The device allows for lower cost implementations and improved design flexibility, enables the connection of modems, and facilitates faster internet performance for fast-legacy applications. The integrated features of Cable Length Detection, Receive Equalization, and MDI/MDIX Auto-negotiation provide users with the ability to optimize connection performance and quickly resolve any connection issues. The device thus provides a reliable and high-performing solution for MAC-to-PHY media access controller interface needs.

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