| 型号 | 制造商 | 描述 | 操作 |
| 74HCT193DB,118 [更多] | Nexperia | Counter ICs 4-BIT BINARY UP/DOWN RoHS: Compliant | 搜索 |
| 74HCT193DB-T [更多] | NXP Semiconductors | Counter ICs 4-BIT BINARY UP/DOWN COUNTER RoHS: Compliant | 搜索 |
