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CMOS电路C301是十进制译码器。但用二块C301可组成十六进制译码器。具体线路如图1所示。C_1和C_2为C301。
CMOS circuit C301 is a decimal decoder. But with two C301 can be composed of hexadecimal decoder. The specific line shown in Figure 1. C_1 and C_2 are C301.