DS90UR904QSQE/NOPB

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The DS90UR904QSQE/NOPB Serializer/Deserializer (SERDES) is an interface device commonly used in high speed network designs for converting parallel data to serial and serial data back to parallel. It is capable of transmitting high speed data rates over copper or fiber optic links. These devices are also commonly used to convert between LVDS and other signaling standards, such as M-LVDS, RS-485 and HSTL.

The main application field of the DS90UR904QSQE/NOPB SERDES is in the transmission of high speed data, such as video and audio, between different components of a network system. In particular, the device is frequently used in applications where multiple streams of data must be transferred across a long distance link, such as HD video and networking applications. The SERDES can be used to multiplex and demultiplex the data streams, as well as to convert the signal standards and levels as required. The DS90UR904QSQE/NOPB SERDES is also frequently used to transmit data between different protocols within a system, such as from a Gigabit Ethernet controller to an ATM interface, or from an IEEE 802.11n wireless device to an SONET link.

The DS90UR904QSQE/NOPB SERDES utilises a variety of technologies in order to transmit data at high speeds and over long distances. At the most basic level, the SERDES provides a simple serial to parallel conversion, allowing a single data stream to be converted into multiple separate streams. This enables the transmission of data over multiple channels, such as multiple wires or optical fibers. Furthermore, the device also implements Forward Error Correction (FEC) to reduce errors that may occur during transmission, as well as Integrated Clock (IC) for synchronisation of the transmit and receive clock signals.

In order to transmit the data, the SERDES also features two analogue Front Ends (FEs) that are responsible for conditioning the signal at the transmission end of the link. The FEs are responsible for filtering out any noise and ensure that the signal is amplified or attenuated as required, as well as encoding and decoding the data, while the digital section of the device is responsible for the actual data transmission. This ensures that the data is transmitted in an efficient, robust and reliable manner, while allowing higher data rates.

The SERDES also offers additional features, such as support for redundant connections, failover support and rate adaptation. Redundant connections enable alternate paths to be established along with the main link, allowing a high level of reliability. Failover support provides protection against link loss, allowing a system to continue functioning even if one or more links fail. Finally, the rate adaptation feature allows the SERDES to adjust the data rate depending on the capacity of the link, ensuring that the data rate can be matched to the available capacity.

In summary, the DS90UR904QSQE/NOPB Serializer/Deserializer is a versatile device that is used to provide reliable high speed data transmission over copper or fiber optic links. The SERDES utilizes advanced technologies such as Forward Error Correction, Integrated Clock, and redundancy to ensure that data transmission is reliable and efficient. Furthermore, the SERDES also features features for link protection, such as failover and rate adaptation, ensuring that the device is capable of handling links of any capacity.

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