7438 TTL开路输出2输入端四与非缓冲器
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...
This device contains four independent gates with two datainputs, each which performs the logi...
This device contains two independent combinations ofgates, each of which perform the logic AN...
java写的cs架构的数字排序。客户端输入多个数字,服务端排序完成之后返回结果!...
按键输入模块(key): --可编程延时发生器(数字同步机)的前端输入模块:0-9十个数字键按键输入模块原型 --前端模块:消抖 --对i0-i9十个输入端的两点要求: --(1)输入端要保证一段时间的稳定高电平 --(2)不能同时按下两个或多于两个的键 --后级模块:1、编码;2、可变...