| 型号 | 制造商 | 描述 | 操作 |
| CD74HC4520EE4 [更多] | Texas Instruments | Counter ICs Hi-Speed CMOS Logic Dual Bin Up-Counter RoHS: Compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| CD74HC4520EE4 [更多] | Texas Instruments | HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDIP16
| 搜索 |
