1、报警信号报警信号C B A关机信号关机信号L0 0 00 0 10 1 00 1 11 0 01 0 11 1 01 1 100010111ABCBCACBACABLACBCABL ACBCABLACBCABACBCAB ABCBCACBACABL检测检测信号信号D C B A质量信质量信号号 L1 L2 L3 L40 0 0 00 0 0 10 0 1 00 0 1 10 1 0 00 1 0 10 1 1 00 1 1 11 0 0 01 0 0 11 0 1 01 0 1 11 1 0 01 1 0 11 1 1 01 1 1 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0
2、0 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 1 1 0 0 0检测信号检测信号D C B A质量信号质量信号 L1 L2 L3 L40 0 0 00 0 0 10 0 1 00 0 1 10 1 0 00 1 0 10 1 1 00 1 1 11 0 0 01 0 0 11 0 1 01 0 1 11 1 0 01 1 0 11 1 1 01 1 1 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0
3、 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 1 1 0 0 0ABCDL 1CDBAL 2DCBAL 33214LLLDCBACDBAABCDL3214LLLLABCDL 1 CDBAL 2 DCBAL 3 3213213214LLLLLLLLLLABCDL 1CDBAL 2DCBAL 33213213214LLLLLLLLLL CRRTf)/(21 TW CDABCDABL IOHIIH IOLIIL BAL 控制控制输入变量输入变量输出变量输出变量 G A B L(1)0(1)0(1)0(1)0(0)1 0 0 0 1 1 01 1X X 1 1 1 0 高阻高阻BENAENBENAENAENBEN TTL电路也可以采用电路也可以采用OC门作为门作为CMOS电路的驱电路的驱动门,只要将动门,只要将OC门的外接门的外接电阻电阻RL接到接到CMOS电路的电电路的电源源VDD上即可,如图上即可,如图2.46(c)所示。所示。(a)(b)(c)作作 业业 P49 习题习题2 2.2 2.7 2.8 2.9 2.15 2.20 下周一交下周一交