| 型号 | 制造商 | 描述 | 操作 |
| HEF4520BT,652 [更多] | Nexperia | Counter ICs DUAL COUNTER BINARY RoHS: Compliant | 搜索 |
| HEF4520BTD [更多] | NXP Semiconductors | Counter ICs DUAL COUNTER BINARY RoHS: Compliant | 搜索 |
| HEF4520BT,653 [更多] | Nexperia | Counter ICs DUAL BINARY COUNTER RoHS: Compliant | 搜索 |
