SL74HC20 и другие
| Компонент | Описание | Производитель | |
| SL74HC20 | Dual 4-Input NAND Gate |
System Logic Semiconductor |
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| SL74HC20D | Dual 4-Input NAND Gate |
System Logic Semiconductor |
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| SL74HC20N | Dual 4-Input NAND Gate |
System Logic Semiconductor |
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| SL74HC221 | Dual Monostable Multivibrator |
System Logic Semiconductor |
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| SL74HC221D | Dual Monostable Multivibrator |
System Logic Semiconductor |
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| SL74HC221N | Dual Monostable Multivibrator |
System Logic Semiconductor |
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| SL74HC240 | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
System Logic Semiconductor |
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| SL74HC240D | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
System Logic Semiconductor |
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| SL74HC240N | Octal 3-State Inverting Buffer/Line Driver/Line Receiver |
System Logic Semiconductor |
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| SL74HC241 | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
System Logic Semiconductor |
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