| Компонент | Описание | Производитель | |
| SM5544ME | 5.0 V CMOS Clock Oscillators |
Pletronics, Inc. |
|
| SM5544MEV | 3.3 V CMOS Clock Oscillators |
Pletronics, Inc. |
|
| SM5544MEW | 2.5 V CMOS Clock Oscillators |
Pletronics, Inc. |
|
| SM5544MEX | 1.8 V CMOS Clock Oscillators |
Pletronics, Inc. |