| Компонент | Описание | Производитель | |
| KK74HC20A | Dual 4-Input NAND Gate High-Performance Silicon-Gate CMOS |
KODENSHI KOREA CORP. |
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| KK74HC20AD | Dual 4-Input NAND Gate High-Performance Silicon-Gate CMOS |
KODENSHI KOREA CORP. |
|
| KK74HC20AN | Dual 4-Input NAND Gate High-Performance Silicon-Gate CMOS |
KODENSHI KOREA CORP. |