型号 / 厂家，封装，批号，备注，订购

M54HC190B1R / ST Microelectronics,Datasheet,06/07+,4 BIT SYNCHRONOUS UP 订购 PDF文档

M54HC190C1R / ST Microelectronics,Datasheet,06/07+,4 BIT SYNCHRONOUS UP 订购 PDF文档

M54HC190D / ST,,07+,全新原装热卖 订购 PDF文档

M54HC190F1R / ST Microelectronics,Datasheet,06/07+,4 BIT SYNCHRONOUS UP 订购 PDF文档

M54HC190M1R / ST Microelectronics,Datasheet,06/07+,4 BIT SYNCHRONOUS UP 订购 PDF文档

M54HC191 / ST Microelectronics,Datasheet,07+,4 BIT SYNCHRONOUS UP 订购 PDF文档

M54HC191D / ST Microelectronics,Datasheet,07+,RAD-HARD 4 BIT SYNCH 订购 PDF文档

M54HC191M1R / ST Microelectronics,Datasheet,07+,4 BIT SYNCHRONOUS UP 订购 PDF文档

M54HC192 / ST Microelectronics,Datasheet,07+,HC193 - SYNCHRONOUS 订购 PDF文档

M54HC192B1R / ST Microelectronics,Datasheet,07+,SYNCHRONOUS UP/DOWN 订购 PDF文档