DS99R421ISQ/NOPB

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Interface-Serializers, Deserializers are hardware or software components that convert digital information from one format to another. DS99R421ISQ/NOPB is a type of Serializer-Deserializer (SERDES) device typically used to transfer data between logic circuits, computers and networks.

The DS99R421ISQ/NOPB consists of a Serializer module, a Deserializer module, and optional lane synchronization (Lane Sync) modules for each data lane. The SERDES includes selectable parallel data interfaces (selectable between 8, 16 and 32 bits) and provides a high-speed Serial output at up to 2.5 Gbps. It features programmable data detect and data align features, along with programmable termination resistors and termination voltage.

The Serializer module accepts data from the parallel interface and converts it into a Serial packet for transmission over a high-speed Serial link. The Serial packet includes an optional header along with the data payload. The header includes a 8, 16, or 32-bit start bit (depending on the chosen data interface) and preamble (optional). The payload may be padded with null characters or CRCs depending on the protocol used. The Lane Sync modules provide synchronization between the Serializer and the Deserializer to ensure that the Deserializer knows when to start processing a packet.

The Deserializer module accepts the incoming Serial packet, extracts the header and payload components, and dispatches the data to the parallel interface. The Deserializer is designed to latch, verify andretransmit the header information and provides a programmable data detect function to detect and align the start bit of the data packet. The Deserializer also features programmable signaling and terminations for each pair of lanes (3 or 8 pairs) to ensure reliable data transmission.

The DS99R421ISQ/NOPB SERDES is primarily used for high-speed data transmission in networking and communications applications. It is also suitable for use in video applications such as video conferencing, broadcast video, and HD video streaming. Additionally, the SERDES can be used in medical applications such as medical imaging, patient monitoring, and telemedicine.

The SERDES is designed to be very reliable and is capable of providing error-free data transmission. It is compatible with various serial communication protocols, including SONET/SDH, Serial ATA (SATA), Infiniband, XAUI, and XGig. Additionally, the SERDES is compatible with various other data formats, including 10Gb/s Fibre Channel and 10GigE. Its high-bandwidth, low-power, and low-cost features make it an ideal solution for a variety of applications.

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