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\"\"<\/div>\n

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SN74LS138(A)\u4e3b\u8981\u7528\u4e8e\u89e3\u51b3\u6570\u636e\u9009\u62e9\u548c\u6570\u636e\u8def\u590d\u7528\u7684\u95ee\u9898\uff0c\u4f8b\u5982\u5728\u5b58\u50a8\u5668\u6269\u5c55\u3001\u6570\u636e\u9009\u62e9\u3001\u6570\u636e\u8def\u590d\u7528\u7b49\u573a\u5408\u3002<\/p>\n

SN74LS138\u662f\u4e00\u6b3e3\u7ebf-8\u7ebf\u8bd1\u7801\u5668\/\u591a\u8def\u590d\u7528\u5668\uff0c\u800c\u4e0d\u662f\u5355\u7247\u673a\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u6570\u5b57\u903b\u8f91\u7cfb\u7edf\u4e2d\u7684\u5730\u5740\u8bd1\u7801\u548c\u6570\u636e\u9009\u62e9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u793a\u4f8b\uff1a<\/p>\n

1. **\u5b58\u50a8\u5668\u6269\u5c55**\uff1a\u5728\u5fae\u5904\u7406\u5668\u7cfb\u7edf\u4e2d\uff0cSN74LS138\u5e38\u5e38\u7528\u4e8e\u5b58\u50a8\u5668\u6269\u5c55\uff0c\u5373\u901a\u8fc7\u5730\u5740\u8bd1\u7801\u9009\u62e9\u7279\u5b9a\u7684\u5b58\u50a8\u5668\u82af\u7247\u3002<\/p>\n

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