| 型号 | 制造商 | 描述 | 操作 |
| 54ACT253FMQB [更多] | National Semiconductor Corporation | LOGIC MUX, DUAL, 4-INPUT, ACT-CMOS, 16 Pin, Ceramic, Flat Pack
| 搜索 |
| 54ACT253FMQB/C [更多] | National Semiconductor Corporation |
| 搜索 |
