题型：单选题 题类：常考题 难易度：普通
苏教版高中通用技术选修第三章 电子控制系统的信号处理1
| A | B | F |
| 0 | 0 | 1 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 1 |
| A | B | F |
| 0 | 0 | 0 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
| A | B | F |
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
| A | B | F |
| 0 | 0 | 1 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
555芯片输入输出关系表
|
输入 |
输出 |
|
|
2脚 |
6脚 |
3脚 |
|
任意 |
任意 |
低电平 |
|
< |
< |
高电平 |
|
|
> |
低电平 |
|
> |
< |
不变 |
试题篮
Vcc
Vcc
