| 型号 | 制造商 | 描述 | 操作 |
| SN74ALS869DWR [更多] | Texas Instruments | Counter ICs Synch 8-Bit Up/Down Binary Counter RoHS: Compliant | 搜索 |
| SN74ALS869DWRG4 [更多] | Texas Instruments | Counter ICs Synch 4B Up Down Binary Counters RoHS: Compliant | 搜索 |
| SN74ALS869DWRE4 [更多] | Texas Instruments | Counter ICs Synch 8-Bit Up/Down Binary Counter RoHS: Compliant | 搜索 |