| Компонент | Описание | Производитель | |
| LF251D | Wide bandwidth single JFET operational amplifiers |
STMicroelectronics |
|
| LF251DT | Wide bandwidth single JFET operational amplifiers |
STMicroelectronics |
|
| MC74F251D | 8-input multiplexer with 3-state outputs |
Motorola, Inc |