An initiative pointed at finding and bringing forward unconventional and unexplored design solutions in the field of architecture. Lowvoltage differential signaling, or lvds, also known as tiaeia644, is a technical standard that specifies electrical characteristics of a differential, serial communication protocol. Design of a new serializer and deserializer architecture. Topics in design and analysis of high data rate serdes systems ieee sscs seminar fort collins, co sep. The increasing trends in socs and sips technologies demand integration of large numbers of buses and metal tracks for interconnections. Serdes transceivers for highspeed serial communications. A parallel architecture for highdatarate agcdecisionclockrecovery circuit, recovering digital nrz data in opticalfiber receivers, is described. Circuit design of main components is covered in detail. Tadros submitted to the department of electronics engineering. Each spartan6 fpga inputoutput block iob contains a 4bit input serdes and a 4bit output serdes.
The open domainspecific architecture an open interface for interchiplet communication chiplets for accelerators. The continuously growing demand for a higher bandwidth has driven the need for newer protocols operating at higher data rates. Pdf high speed serial link design serdes introduction. The aligned clock now allows the data to be sampled at. An embedded clock serdes serializes data and clock into a single stream. Soc architecture, the ort82g5 contains eight backplane transceiver.
Design architecture as shown in figures 1 and 2, the new serdes architecture has a common module and a module with 1 to 16 lanes. Overcoming serdes design and simulation challenges part. The material focuses on hss devices, and the consolidation of related topics into a single text. Design considerations standard and custom protocols, signal. Design and implementation of cdr and serdes for high speed. In this paper, we explore a multiband architecture for a 25 gbps serdes, where the channel in each subband is approximately frequency flat, eliminating need of an equalizer in the receiver. Serializerdeserializer component design and test mcgill. Serdes transceivers for highspeed serial communications dianyong chen 1 introduction in order to process and redistribute digital information, data are constantly exchanged between different systems and also between different functional blocks inside a system. A regulator design for a serdes phy of a high speed serial. This paper reports a design of a new serializer and deserializer. Topics in design and analysis of high data rate serdes. High speed serdes devices and applications introduces concepts related to interface standards, as well as design architectures for various protocol logic.
Lvds operates at low power and can run at very high speeds using inexpensive twistedpair copper cables. There are at least four distinct serdes architectures. The serialized stream is sent along with a reference clock. Highspeed serial io can be used to solve system interconnect design challenges. Serdes io standards support in intel arria 10 devices150 5. The rtl of the cdr block diagram which is extracted from ise is shown in fig. Onchip signaling techniques for highspeed serdes transceivers a thesis submitted to.
This paper will show an adcdsp serdes transceiver with a 2tap dfe is capable of operating errorfree over a 38db link yet having an overall power budget similar to ams. Soc architecture, the ort82g5 contains eight backplane. Keystone ii architecture serializerdeserializer serdes users guide literature number. This book discusses the many aspects of highspeed serial designs. The proposed cdr architecture consists of four parts, phase detector, control unit, multiphase. This book provides the reader with an understanding of the features and functions typically found on high speed serdes hss devices. Deserializer architecture for basic functional operations of serialization and deserialization used in onchip serdes transceiver. High speed serial link design serdes introduction, architectures and applications.
High speed serdes devices and applications springerlink. The intel agilex io system includes a general purpose io gpio interface, a. Lock to random data for true hot plug capabilitylock can be achieved w i t h o u t i n t e r r u p t i n g traffic with pll training patterns and w i t h o u t a lossoflock feedback path from receiver to. The course covers the system and design issues relevant to highspeed electrical and optical, if time permits signaling. It explains how these hss devices are used in protocol applications and the analysis which must be performed to use them. Bladeserver base specification serdes design 12 may 2010 ibmintel confidential 1 version 2.
Design of analogtype highspeed serdes using digital components for optical chiptochip link. The american university in cairo school of science and engineering onchip signaling techniques for highspeed serdes transceivers a thesis submitted by ramy n. If you are one of the users of this ip then this book may serve you a purpose. Intel agilex general purpose io and lvds serdes overview. Internal serdes architecture may seem irrelevant, but this overlooked item can dictate many important system parameters like system topology, protocol overhead, data formatting and flow, latency, clocking and timing requirements, and the need for additional buffering as. Let us help make your book project a successful one. Design of lowcomplexity transceivers for such highspeed serdes faces many technical challenges. Pdf design of analogtype highspeed serdes using digital.
The simplest method of transferring data through the inputs or outputs of a silicon chip is to directly connect each bit of the datapath from one chip to the next chip. Such ios, when integrated into a highly programmable digital environment such as an fpga, allow you to create highperformance designs that were never possible before. Keystone ii architecture serializerdeserializer serdes. A regulator design for a serdes phy of a high speed serial data interface. Bus lvds serdes architecture the bus lvds serdes architecture was developed in conjunction with major telecommunications customers who desired features not provided by common 8b10b datacom serdes chipsets. The evolution of highspeed transceiver technology november 2002, ver. Serdes hsi is also called serdes ser for serializer, and des for deserializer core data rate is much lower than interface digital signal processing usually employs parallel architecture. Instead of scrambling each byte into a new 10bit code as with 8b10b coding, the bus lv d s s e r d e s coding scheme frames each data word with.
Differential transmitter in intel arria 10 devices151. The same basic serdes architecture is implemented fig. Download pdf magazines and ebook free usa, uk, australia. This architecture employs a design technique which samples input on both edges of clock. Onchip serdes transceiver is a promising solution which can reduce the number of interconnects and offers remarkable benefits in context with power consumption, area congestion and crosstalk. This clock and retimed data is then used by the deserializer to. Reproduction of ti information in ti data books or data sheets is permissible only if.
Analog design in contrast is often a very manual process almost all tasks during schematic and. Overcoming serdes design and simulation challenges part 1 white paper the concept of taking a parallel stream of data, converting it to a serial stream, and then converting back to. Drawings are of poor quality and it comes with springer price tag. Architectural design and construction instructors manual architecture architectural design and construction education module developed by michael behm, ph. Cory boughton east carolina university photo courtesy of thinkstock notes to instructors this module presents safedesign considerations pertaining to architectural design and. Many pages are filled with register control bits of this serdes ip which add no value. Mindshare learning options mindshare classroom mindshare virtual classroom mindshare elearning. The clock jitter tolerance at the serializer is 510 ps rms. The purpose of this paper is to detail our investigation of issues involved in clock and data recovery associated with a high speed serializerdeserializer serdes receiver block.
The serdes from two adjacent blocks m aster and slave can be cascaded to make an 8bit block. Internal serdes architecture may seem irrelevant, but this overlooked item can dictate many important system parameters like system topology, protocol overhead, data formatting and flow, latency, clocking and timing requirements, and the need for additional buffering as well as logic. The receiver is configured in a dual path for better jitter tolerance, crosstalk rejection, and power dissipation. In this paper we briefly overview the major challenges that serdes systems need to address and discuss commonly used solutions, and then a pythonbased system modeling package, pyserdes, is proposed to address the need for system level simulation and validation for various aspects of serdes design, and integration of the constantly advancing optimization techniques available in the scientific. Coverage of serdes operation is shallow and cursory. Defining a new highspeed, multiprotocol serdes architecture for advanced nodes designing a highspeed, highperformance serializerdeserializer serdes for. The architecture features a dualpath receiver rx and a hybrid transmitter tx.
About this book high speed serdes devices and applications provides a broad understanding of high speed serdes hss device usage. High speed serdes devices and applications provides a broad understanding of high speed serdes hss device usage. Open library is an open, editable library catalog, building towards a web page for every book ever published. However, one aspect and perhaps the only aspect of chip design which has not changed during the career of the authors is moores law, which has dictated substantial. High speed serdes devices and applications david robert. Pdfhigh speed serdes devices and applications free. Relationship between eye diagram and bathtub curve 5. Just like wikipedia, you can contribute new information or corrections to the catalog. Chip and system designers using hss devices must have detailed knowledge of both the features and functions of the hss device, and the applications in which they are used. While the advice and information in this book are believed to be true and accurate at the date of going to. Keystone ii architecture serializer deserializer serdes users guide literature number. Intel agilex general purpose io and lvds serdes user guide. The main advantage of this technique hich w is input is sampled with lower. This gives the possibility of serdes ratios from 2.
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