CC20TTE и другие
| Компонент | Описание | Производитель | |
| 74AC20TTR | DUAL 4-INPUT NAND GATE |
STMicroelectronics |
 |
| CC20TTE | zero ohm melf resistor |
KOA Speer Electronics, Inc. |
|
| M74HC20TTR | DUAL 4-INPUT NAND GATE |
STMicroelectronics |
|