PLD分类 PLA(Field Programmable Logic array) 低密度PLD{PAL( Programmable Array Logic) GAL(Generic Array logic) EPLD(Erasable Programmable Logic device 高密度PLD{ FPGA(Field Programmable Gate Array) CPLD(Complicated Programmable Logic device)PLD分类 低密度PLD 高密度PLD PLA(Field Programmable Logic Array) PAL(Programmable Array Logic) GAL(Generic Array Logic) EPLD(Erasable Programmable Logic Device) FPGA(Field Programmable Gate Array) CPLD(Complicated Programmable Logic Device)