| 型号 | 制造商 | 描述 | 操作 |
| SN74HC4020DBR [更多] | Texas Instruments | Counter ICs 14-Bit ASynch Binary Counter RoHS: Compliant | 搜索 |
| SN74HC4020DBRE4 [更多] | Texas Instruments | Counter ICs 14-Bit ASynch Binary Counter RoHS: Compliant | 搜索 |
| SN74HC4020DBRG4 [更多] | Texas Instruments | Counter ICs 14B ASYNC Binary Counters RoHS: Compliant | 搜索 |