
| 部件型号 | 厂商 | 描述 |
|---|---|---|
CY74FCT191CTSOCT |
Texas Instruments | Counter ICs Presettable Synch 4B Up/Down Bin |
CY74FCT191ATSOCTG4 |
Texas Instruments | Counter ICs Presettable Synch 4B Up/Down Bin |