DS90UH928QSQE/NOPB

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Serializers, deserializers and other interface devices are important building blocks in various industrial, audio and video, consumer, and communication applications. The DS90UH928QSQE/NOPB, a quad 3.2 Gbps serializer/deserializer from Texas Instruments, is an industry-leading device which provides a streamlined yet highly-effective solution for interfacing with today’s demanding applications.

The DS90UH928QSQE/NOPB is an advanced, low power, low jitter, serializer/deserializer (SerDes) with four channels, each of which is capable of data rates up to 3.2 Gbps. It is designed to simplify data transmission between host controller (usually FPGA) and external media access control (MAC) by connecting via Low Voltage Differential Signaling (LVDS) without the need for separate transceivers. In addition, the device is also compatible with hardware interfaces such as XAUI, SFI-5 and IDDQ data rates.

The DS90UH928QSQE/NOPB is ideal for applications that require high data rate transmission with low-power consumption, such as in datacenter, virtualization, storage, and high-density server chassis. The DS90UH928QSQE/NOPB is ideal for connecting various management ports to Ethernet switch chips for interfacing with management processors, such as IPMI, Interlaken, and MDIO. It can also be used in various consumer products such as advanced multimedia solutions, A/V receivers/amplifiers, gaming systems, digital set-top boxes and more.

In addition, the device features many features that enable customers to easily build their systems. These features include integrated PLLs and clock recovery circuits, auto-calibration, and compensation blocks. It also has adjustable output voltage and multiple control settings including termination selection, loopback mode enable and disable, and lane swap.

The working principle of the DS90UH928QSQE/NOPB is simple yet effective. To understand how it works, it is best to think of it as four separate transmitters. Each of these transmitters is connected to a serializer, which then converts the data into LVDS format suitable for transmission. The deserializers on the receiving side then convert the data back into its original form.

Each transmitter consists of three main parts: an input buffer, a serializer, and a clock recovery circuit. The input buffer collects information from an external source and stores it in a FIFO. The serializer then takes the data, in parallel format, and re-arranges it into a stream of serial bits. These bits are then sent one after the other using a clock provided by the clock recovery circuit.

At the receiving end, the data is re-arranged into its original parallel form using a deserializer. The deserializer uses the clock provided by the clock recovery circuit to synchronize the incoming data. During this process, the data is also checked for errors, ensuring that no data is lost or corrupted. Once the data is re-arranged, it is passed onto the output buffer, which then sends the data to its destination.

The DS90UH928QSQE/NOPB is an ideal device for any application that needs high data rate transmission with low-power consumption. Its design and features make it a reliable and cost-effective solution, and its easy-to-implement working principle makes it a great choice for customers looking to build low-cost, high-performance systems.

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