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数字： a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9
  • HD74LS32P
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  • HD74LS166AFPEL-E
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  • HD74LS164RPEL-E-Q
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  • HD74LS163AP
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  • HD74LS161ARPEL-E-Q
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  • HD74LS157RPEL-E-Q
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  • HD74LS157FPEL-E
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  • HD74LS14RPEL-E-Q
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  • HD74LS139RPEL-E-Q
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  • HD74LS139P
  • HD74LS139FPEL
  • HD74LS139
  • HD74LS138RPEL-E
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  • HD74LS138P-E-Q
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  • HD74LS138N
  • HD74LS138FPEL
  • HD74LS138FP
  • HD74LS138
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  • HD74LS132P
  • HD74LS132FPEL