| Компонент | Описание | Производитель | |
| PT7C4302 | Real-time Clock Module (3-wire Interface) |
Pericom Semiconductor Corporation |
|
| PT7C4302P | Real-time Clock Module (3-wire Interface) |
Pericom Semiconductor Corporation |
|
| PT7C4302W | Real-time Clock Module (3-wire Interface) |
Pericom Semiconductor Corporation |