The SN55451B/SN75451B, SN55452B/SN75452B, SN55453B/SN75453B, and SN55454B/SN75454B are dual peripheral AND, NAND, OR, and NOR drivers, respectively (assuming positive logic), with the output of the logic gates internally connected to the bases of the npn output transistors
| 器件型号 | 名称 | 产品系列 |
| SN75451B | 双路非常高速大电流外设驱动器 | 其它接口 |
