| 型号 | 制造商 | 描述 | 操作 |
| CY74FCT191ATSOCT [更多] | Texas Instruments | Counter ICs Presettable Synch 4B Up/Down Bin RoHS: Compliant | 搜索 |
| CY74FCT191ATSOCTG4 [更多] | Texas Instruments | Counter ICs Presettable Synch 4B Up/Down Bin RoHS: Compliant | 搜索 |
| CY74FCT191ATSOCTE4 [更多] | Texas Instruments | Counter ICs Presettable Synch 4B Up/Down Bin RoHS: Compliant | 搜索 |