RTC-72421A и другие
| Компонент | Описание | Производитель | |
| RTC-72421 | Real time clock module(4-bit REAL TIME CLOCK MODULE) |
Epson Company |
 |
| RTC-72421A | Built-in crystal unit allows adjustment-free efficient operation |
Epson Company |
|
| RTC72421 | 4-bit REAL TIME CLOCK MODULE |
List of Unclassifed Manufacturers |
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