| Компонент | Описание | Производитель | |
| P4C1256-20PM | HIGH SPEED 32K x 8 STATIC CMOS RAM |
List of Unclassifed Manufacturers |
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| P4C1256-20PMB | HIGH SPEED 32K x 8 STATIC CMOS RAM |
List of Unclassifed Manufacturers |
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| P4C1256-20PMBLF | HIGH SPEED 32K x 8 STATIC CMOS RAM |
Pyramid Semiconductor Corporation |
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| P4C1256-20PMLF | HIGH SPEED 32K x 8 STATIC CMOS RAM |
Pyramid Semiconductor Corporation |