寄生电容寄生电容 寄生电阻寄生电阻 寄生电感寄生电感 器件的寄生参数器件的寄生参数 三种主要的寄生参数:三种主要的寄生参数: 寄生电容 寄生电容 寄生电阻 寄生电阻 寄生电感 寄生电感 parameterscaling parameter scaling:: capacitancesscale linearly widthconductances capacitancesscale linearly width((””widening wireleads wireleads lessthan proportionalincrease less than proportionalincrease proportionalreduce proportionalreduce resistance,so RCdelay product improves RC delay product improves..”” ““P219,CMOS VLSI P219,CMOS VLSI””)) resistancesscale inversely widthresistances scale inversely interconnectsintroduce extra resistance, capacitance, interconnectsintroduce extra resistance, capacitance, delay,degrade largedevice performance! delay, degrade largedevice performance! need many fingers connected parallelneed many fingers connected parallel