| 型号 |
概述 |
| NE555 |
General purpose single bipolar timer |
| NE556 |
General purpose dual bipolar timer |
| SA555 |
General purpose single bipolar timer |
| SA556 |
General purpose dual bipolar timer |
| SE555 |
General purpose single bipolar timer |
| TS555 |
Low power single CMOS timer |
| TS556 |
Low power dual CMOS timer |
