KSZ9031MNXCA-TR

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The KSZ9031MNXCA-TR is a digital-analog split, full-duplex 10/100 Ethernet transceiver. It is a member of the Micrel family of Ethernet products. This integrated transceiver contains a medium access controller (MAC), a physical layer (PHY), digital interfacing logic and analog implementations of the 10/100 Mbit/s Ethernet physical layer functions. Thanks to its compact package, the KSZ9031MNXCA-TR can easily be integrated into applications requiring small so-called physical layer circuitry.

The KSZ9031MNXCA-TR is a full-duplex transceiver typically employed in Ethernet applications. The device enables bi-directional gigabit communication between two identical interfaces, allowing the data to flow in both directions at the same time. It is well-suited for sophisticated systems requiring very high data rates, such as media streaming, optical networking and other high speed computing applications.

The KSZ9031MNXCA-TR is designed so that each port can be independently configured as either a transmitter or a receiver, with the speed being negotiated between the links. Additionally, when configured to transmit and receive simultaneously, the links can be operated at different speeds. This is an important feature for communication systems which require more than one data rate. Furthermore, the device replaces the need for external transformers, instead relying on an integrated set of digital signal processing (DSP) and analog-to-digital converters (ADC).

The KSZ9031MNXCA-TR technology is based on two-level coding, with 8b/10b or 64b/66b coding incorporated into the MAC sublayer. The PHY part of the device includes a demodulator/modulator, analog front-end and transmit/receive equalization. The main components of the device, such as the primary data paths, analog front-ends, PLL and reclocking logic, are formed on one integrated circuit and are highly integrated. Inputs to the receiver are differential, with the option of different gains depending on the application.

The KSZ9031MNXCA-TR Ethernet transceiver is suitable for various applications in the field of data communications, including Power Over Ethernet (PoE) applications, industrial and distributed control, storage area networks, metro/core routers and switches, and 10/100 home networking. In summary, with its high-performance, tightly integrated and cost-effective design, the KSZ9031MNXCA-TR is one of the best 10/100 Ethernet transceivers on the market.

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