54/7454四路输入与或非门简要说明54 为与或非门(正逻辑),其中 54/7454 是 2-2-2-2 输入端,54
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74LS00为四组 2 输入端与非门(正逻辑),共有 54/7400、54/74H00、
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74ls138译码器内部电路逻辑图功能表简单应用 74HC138:74LS138 为3 线-8 线译码器,共有
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电子发烧友网站提供《SN54LS696、SN54LS697、SN54LS699、SN74LS696、SN74LS697、
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54LS155/DM54LS155/DM74LS155,54LS156/DM54LS156/DM74LS156Dual
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54LS157/DM54LS157/DM74LS157,54LS158/DM54LS158/DM74LS158Quad
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54LS174/DM54LS174/DM74LS174,54LS175/DM54LS175/DM74LS175 H
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54LS32/DM54LS32/DM74LS32Quad 2-Input OR GatesGeneral DescriptionThis device contains four
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54LS138/DM54LS138/DM74LS138,54LS139/DM54LS139/DM74LS139Decod
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54LS138/DM54LS138/DM74LS138,54LS139/DM54LS139/DM74LS139Decod
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