毕业论文-低压差分信号.doc

黑龙江东方学院本科生毕业论文（设计） Ⅰ PAGE I 摘要 低电压差分信号 (LVDS)高速1/0接口单元当前CMOS电路设计中的重要研究。它在减小CMOS芯片内外速度差异、实现高速数据传输方面具有独特的优势和作用。本文重点研LVDS高速1/0接口单元的设计技术，完成一种基于中芯国际0.13umCMOS工艺的 622MbpsLVDs驱动器的设计。论文首先介绍了LVDS接口的基本原理和电特性，通过与其他接口技术进行对比，分析了LVDS接口在高速数据传输应用方面的优势，结合实例给出了LVDS接口电路的设计原则。论文着重分析了几种 LVDSUO接口单元的基本电路结构及其工作原理，给出了用HSPICE工具进行模拟验证的结果。基于中芯国际0.13umCMOS工艺，完成了中芯国际LVDS系列产品中 622MbPsLVDS驱动器的设计，实现了从电路设计、仿真、版图、后仿真优化、一直到最后的流片等整套LVDS产品的开发过程。设计过程参照国际通用标准，保证了产品的通用性。 关键词:低电压差分信号 (LVDS)；接口;电流镜；差分放大器;带隙基准。 PAGE II Ⅱ Abstract Low Voltage Differential Signaling(LVDS)，a high speedl/0interface，1s one important research Problem of reeent CMOS cireuit design.It hasi nimitable superiority and funetion on a chieving high speed datatransfer.In this Paper，researeh on design teehnology of LVDS Shigh speed l/0 interfaee 1s diseussed:It also ceontains a 622MbPs LVDS transmitter design nwhieh 1s based on SMIC 0.13um CMOS arts. In this PaPer，we first introduce the basic Prinei Ple and eleetrieal specification of LVDS inierfaee; by eomParing with other interface teehnology，analyzethes一the sPeriority of LVDS on high sPeed datatransfer.In the article we also analyze some examples ofLVDSI/0interface cireuit sandworking PrineiPleindetail，and give out the simulation results as well as verifieation using HSpICE simulationtool.AceomPlish a 622MbPs LVDS transmitter design，one of Products of SMIC LVDS series，based on SMIC0.13um CMOS arts.Aetualize a total Process of LVDS Produet development from Circuits design，pre一layoutsimulation，layoutdesign，post一layout simulation and Optimize till to the final tapeout.The entire design flow refers to international general Criterion which ensures the general acceptance and use. Keywords:LowVoltage Differential Signaling(LVDS)Inierfaee Current Mirror Differential AmPlifier Bandgap 目录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc260989139 摘要 PAGEREF _Toc260989139 \h I HYPERLINK \l _Toc260989140 Abstract PAGEREF _Toc260989140 \h II HYPERLINK \l _Toc260989142 第一章绪论 PAGEREF _Toc260989142 \h 1