altera公司cpld的原理图库(protel格式)-sch.lib about altera s cpld.

比较全的ALTERA芯片的原理图和封装库(Protel99)，对需要画Altera FPGA PCB版图的同志很有用。-Comparing all the ALTERA chip schematic and footprint library (Protel99), on the need to draw Altera FPGA PCB layout comrades useful.

altera cyclone 系列的protel封装图，layout的哥们有用的~-altera cyclone series of protel package diagram, layout useful ~