| 型号 | 制造商 | 描述 | 操作 |
| 74HC4520PW,118 [更多] | Nexperia | Counter ICs DUAL 4-BIT SYNC RoHS: Compliant | 搜索 |
| 74HC4520PW-T [更多] | NXP Semiconductors | Counter ICs DUAL 4-BIT SYNC BINARY COUNTER RoHS: Compliant | 搜索 |
