74LS92
簡介74LS92是一顆DIVIDE-BY-TWELVE COUNTERS的IC。
簡圖
真值表
| OUTPUTS | ||||
| QD | QC | QB | QA | |
| 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 1 |
| 2 | 0 | 0 | 1 | 0 |
| 3 | 0 | 0 | 1 | 1 |
| 4 | 0 | 1 | 0 | 0 |
| 5 | 0 | 1 | 0 | 1 |
| 6 | 1 | 0 | 0 | 0 |
| 7 | 1 | 0 | 0 | 1 |
| 8 | 1 | 0 | 1 | 0 |
| 9 | 1 | 0 | 1 | 1 |
| 10 | 1 | 1 | 0 | 0 |
| 11 | 1 | 1 | 0 | 1 |
74LS92
簡介
74LS92是一顆DIVIDE-BY-TWELVE COUNTERS的IC。簡圖
真值表
COUNTE OUTPUTS QD QC QB QA 0 0 0 0 0 1 0 0 0 1 2 0 0 1 0 3 0 0 1 1 4 0 1 0 0 5 0 1 0 1 6 1 0 0 0 7 1 0 0 1 8 1 0 1 0 9 1 0 1 1 10 1 1 0 0 11 1 1 0 1