| 型号 | 制造商 | 描述 | 操作 |
| 54FCT244DMQB [更多] | National Semiconductor Corporation | Driver/Buffer Device, Dual, 4-Bit, 20 Pin, Ceramic, DIP | 搜索 |
| 54FCT244DMQB/QS [更多] | National Semiconductor Corporation | BUS DRIVER, FCT SERIES, 2-FUNC, 4-BIT, TRUE OUTPUT, CMOS, CDIP20 | 搜索 |
| 54FCT244DMQB/QS [更多] | National Semiconductor Corporation | BUS DRIVER, FCT SERIES, 2-FUNC, 4-BIT, TRUE OUTPUT, CMOS, CDIP20 | 搜索 |