Serializer/Deserializer

What is a Serializer/Deserializer (SerDes)?

Definition and meaning of Serializer/Deserializer

A serializer/deserializer (SerDes) is an Integrated Circuit or tool used in excessive-speed communications for converting between serial statistics and Parallel Interfaces in each directions. A SerDes is used in a lot of programs and technologies, where its number one purpose is to provide Records transmission over a unmarried or differential line by means of minimizing the number of I/O pins and connections. In quick, it converts parallel inFormation into serial information to be able to travel over Media that doesn't guide parallel statistics or it's miles used if you want to keep Bandwidth.

What Does Serializer/Deserializer Mean?

A SerDes Chip facilitates the transmission among two points that use parallel information over serial streams, lowering the Variety of information paths required for the transmission. This lowers the quantity of required connecting pins, so wires and connectors can be kept small and skinny. On the Transmitter aspect, parallel facts are transformed to serial statistics, whereas at the Receiver facet the opposite occurs. Most SerDes gadgets are completely able to full-Duplex operation, so conversion of information takes location in both directions conCurrently. SerDes chips are used in Wireless Routers, Gigabit Ethernet sySTEMs, garage applications and Fiber Optic communication structures.

The basic SerDes Characteristic has two Blocks: the Parallel In Serial Out (PISO) bLock or parallel-to-serial converter, and the Serial In Parallel Out (SIPO) block or serial-to-parallel converter. Each give up of a conversation link has a SerDes with those two fundamental blocks; the PISO block is used for transmission and the SIPO block is used for reception.

SerDes chips are to be had in several architectures:

• Parallel clock

  — This is used to serialize a parallel Bus enter together with records addresses and manipulate indicators. A reference clock is used to synchronize the facts stream, which has a jitter tolerance at the serializer of 5–10 ps rms.

• Embedded clock

  — This serializes the information and the clock right into a unmarried movement. One Clock Cycle is transmitted first accompanied by the actual information, creating a periodic growing facet at the beginning of the records stream.

• 8b/10b SerDes

  — This maps the statistics to a ten-bit Code right earlier than serializing. The deserializer Makes use of the reference clock to screen the recovered clock from the bit stream.

• Bit interleaved

  — This multiplexes more than one slower serial statistics streams into faster streams, while the receiver Demultiplexes the faster streams again into a couple of slower streams.

What does SerDes stand for?

When we refer to SerDes as an acronym of Serializer/Deserializer, we mean that SerDes is formed by taking the initial letters of each significant word in Serializer/Deserializer. This process condenses the original phrase into a shorter, more manageable form while retaining its essential meaning. According to this definition, SerDes stands for Serializer/Deserializer.

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