7409 TTL集电极开路2输入端四与门
This device contains four independent gates each of whichperforms the logic AND function. The
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This device contains four independent gates each of whichperforms the logic AND function. The
This device contains four independent gates each of whichperforms the logic NAND function. Th
This device contains four independent gates each of whichperforms the logic NAND function. Th
CD4000 双3输入端或非门+单非门 TI CD4001 四2输入端或非门 HIT/NSC/TI/GOL 双4输入端或非门 NSC CD4006 18位串入/串出移位寄存器 NSC CD4007 双互补对加反相器...
从文件读取7路数字信号(存储为char型), 输出2路信号是输入信号的当前值与前2次 的逻辑组合。用屏幕和文件分别输出信号,用字符代表光点模拟输出结果波形。输出 结果由已有函数intf1(char d2,char d1,char d),...
1、ps/2键盘输入,通过led显示ascii码 2、稍等1s可以在lcd上显示输入的字符 3、其中键盘上的backspce键是用来清屏的 4、当lcd上显示满字符时,在按下按键自动清屏,从第一行显示。