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MC74ACT244N MC74ACT244NG MC74ACT245DT
MC74ACT244N/MC74ACT244NG/MC74ACT245DT
MC74ACT244NG MC74ACT245NG MC74ACT32NG MC74ACT540NG
MC74ACT244NG【IC BUF NON-INVERT 5.5V 20DIP】
丝印MC74ACT244NG-MC74ACT244MG-MC74ACT244DW-MC74ACT244DT
