74HC/HCT21 и другие
| Компонент | Описание | Производитель | |
| 74HC/HCT21 | Dual 4-input AND gate |
NXP Semiconductors |
 |
| 74HCHCT21 | Dual 4-input AND gate |
NXP Semiconductors |
|
| 74HC_HCT245_3 | Octal bus transceiver; 3-state |
NXP Semiconductors |
|
| 74HC_HCT245_CNV_2 | Octal bus transceiver; 3-state |
NXP Semiconductors |
|
| 74HC_HCT258 | Quad 2-input multiplexer; 3-state; inverting |
NXP Semiconductors |
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