| Компонент | Описание | Производитель | |
| SM7644HE | CMOS with Enable/ Disable or Optional Stand By Mode (3.3 V) |
Pletronics, Inc. |
|
| SM7644HEV | 3.3 V CMOS Clock Oscillators |
Pletronics, Inc. |
|
| SM7644HEW | 2.5 V CMOS Clock Oscillators |
Pletronics, Inc. |