| 型号 | 制造商 | 描述 | 操作 |
| SN74191N [更多] | Texas Instruments | Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP | 搜索 |
| SN74191N [更多] | Signetics | Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP | 搜索 |
| SN74191N [更多] | Texas Instruments | Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP | 搜索 |
| SN74191N [更多] | Texas Instruments | Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP | 搜索 |