74HCT21 и другие
| Компонент | Описание | Производитель | |
| 54HCT240 | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS |
Texas Instruments |
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| 74HCT20 | Dual 4-input NAND gate |
NXP Semiconductors |
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| 74HCT20D | Dual 4-input NAND gate |
NXP Semiconductors |
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| 74HCT20DB | Dual 4-input NAND gate |
NXP Semiconductors |
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| 74HCT20N | Dual 4-input NAND gate |
NXP Semiconductors |
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| 74HCT20U | Dual 4-input NAND gate |
NXP Semiconductors |
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| 74HCT21 | Dual 4-input AND gate |
NXP Semiconductors |
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| 74HCT21D | Dual 4-input AND gate |
NXP Semiconductors |
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| 74HCT21DB | Dual 4-input AND gate |
NXP Semiconductors |
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| 74HCT21N | Dual 4-input AND gate |
NXP Semiconductors |
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