型号 / 厂家，封装，批号，备注，订购

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74ACT521LC / Various,Datasheet,07+,8-Bit Identity Compa 订购 PDF文档

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74ACT374LC / Various,Datasheet,07+,Octal D-Type Flip-Fl 订购 PDF文档

74ACT521PCQR / Various,Datasheet,07+,8-Bit Identity Compa 订购 PDF文档

74ACT521SCQR / Various,Datasheet,07+,8-Bit Identity Compa 订购 PDF文档