Equalization for high-speed serdes: system-level comparison of analog and digital techniques6/6/2023 The PISO (Parallel Input, Serial Output) block typically has a parallel clock input, a set of data input lines, and input data latches. There are 4 different SerDes architectures: (1) Parallel clock SerDes, (2) Embedded clock SerDes, (3) 8b/10b SerDes, (4) Bit interleaved SerDes. The basic SerDes function is made up of two functional blocks: the Parallel In Serial Out (PISO) block (aka Parallel-to-Serial converter) and the Serial In Parallel Out (SIPO) block (aka Serial-to-Parallel converter).
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