文档预览： 加法计数器74LS160可逆计数器74LS190计数器应用级联法置数法移位寄存器型计数器环形计数器扭环形计数器脉冲波的产生和整形脉冲参数脉冲周期T... 点击下载

文档预览： 51 Figure 9--44 A divide-by-40,000 counter using 74HC161 4-bit binary counters. Note that each of the parallel data inputs is shown in binary order (the right ... 59 Figure 9--52 Logic diagram of typical divide-by-60 counter using 74LS160A ... 点击下载

文档预览： 52 Figure 9--44 A divide-by-40,000 counter using 74HC161 4-bit binary counters. Note that each of the parallel data inputs is shown in binary order (the right ... 60 Figure 9--52 Logic diagram of typical divide-by-60 counter using 74LS160A ... 点击下载

文档预览： All rights reserved.1. 非同步式计数器的运作例题9-1 如图9-5所示为一个4...All rights reserved.2. 同步式计数器的运作Figure A--26 The 74LS160 ... 点击下载

文档预览： 实验参考用器件:74LS160, 74LS161, 74LS00, 74LS20学号+40 学号 ≤20学号 学号 >201.必做内容(1)设计四路抢答器,当主持人宣布开始时,一旦有一个参赛者最... 点击下载