型号 / 厂家，封装，批号，备注，订购

M74HC221AC1R / ST Microelectronics,Datasheet,07+,DUAL MONOSTABLE MULT 订购 PDF文档

M74HC221AM1R / ST Microelectronics,Datasheet,06/07+,DUAL MONOSTABLE MULT 订购 PDF文档

M74HC221B1N / ST Microelectronics,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

M74HC221C1R / ST Microelectronics,Datasheet,06/07+,DUAL MONOSTABLE MULT 订购 PDF文档

M74HC221ARM13TR / ST Microelectronics,Datasheet,06/07+,DUAL MONOSTABLE MULT 订购 PDF文档

M74HC221C1 / Various,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

M74HC221DP / Various,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

M74HC221F1R / ST Microelectronics,Datasheet,07+,DUAL MONOSTABLE MULT 订购 PDF文档

M74HC221FP / Various,Datasheet,06/07+,Dual Monostable Mult 订购 PDF文档

M74HC221P / Various,Datasheet,06/07+,Dual Monostable Mult 订购 PDF文档