54LS21DM и другие
| Компонент | Описание | Производитель | |
| 54LS21DM | DUAL 4-INPUT POSITIVE AND GATE |
List of Unclassifed Manufacturers |
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| 74LS21DC | DUAL 4-INPUT POSITIVE AND GATE |
List of Unclassifed Manufacturers |
|
| SN74LS21D | DUAL 4-INPUT AND GATE |
Motorola, Inc |
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| SN74LS21D | DUAL 4-INPUT POSITIVE-AND GATES |
Texas Instruments |
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| SN74LS21DE4 | DUAL 4-INPUT POSITIVE-AND GATES |
Texas Instruments |
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| SN74LS21DR | DUAL 4-INPUT POSITIVE-AND GATES |
Texas Instruments |
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| SN74LS21DRE4 | DUAL 4-INPUT POSITIVE-AND GATES |
Texas Instruments |
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