规格书
                    1(MIC4478-80 Datasheet)
                   
                    设计资源
                    1(MIC4480 Development Tool Selector)
                   
                    PCN 产品变更/停产
                    1(MIC4478/MIC4479/MIC4480 19/Feb/2018)
                   
                    PCN 组装/来源
                    1(Wafer Size Update 02/Sep/2015)
                   
                    PCN 封装
                    1(MBB/Label Chgs 16/Nov/2018)
                   
                    PCN 零件编号
                    1(Micrel to Microchip PN Changes 7/Oct/2015)
                   
                    HTML 规格书
                    1(MIC4478-80 Datasheet)