| Компонент | Описание | Производитель | |
| P4C1981-12JC | ULTRA HIGH SPEED 16K x 4 CMOS STATIC RAMS |
List of Unclassifed Manufacturers |
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| P4C1981-12JI | 12 ns,static CMOS RAM, 16 K x 4 ultra high speed |
List of Unclassifed Manufacturers |
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| P4C1981-12JM | ULTRA HIGH SPEED 16K x 4 CMOS STATIC RAMS |
List of Unclassifed Manufacturers |
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| P4C1981-12JMB | ULTRA HIGH SPEED 16K x 4 CMOS STATIC RAMS |
List of Unclassifed Manufacturers |