PT28-21B и другие
| Компонент | Описание | Производитель | |
| HT2821 | Dual Sound Generator |
Holtek Semiconductor Inc |
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| HT2821A | Dual Sound Generator |
Holtek Semiconductor Inc |
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| HT2821E | Dual Sound Generator |
Holtek Semiconductor Inc |
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| IDTQS74FCT2821AT | HIGH-SPEED CMOS BUS INTERFACE 10-BIT REGISTER |
Integrated Device Technology |
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| IDTQS74FCT2821ATQ | HIGH-SPEED CMOS BUS INTERFACE 10-BIT REGISTER |
Integrated Device Technology |
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| IDTQS74FCT2821ATSO | HIGH-SPEED CMOS BUS INTERFACE 10-BIT REGISTER |
Integrated Device Technology |
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| IDTQS74FCT2821BTQ | HIGH-SPEED CMOS BUS INTERFACE 10-BIT REGISTER |
Integrated Device Technology |
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| IDTQS74FCT2821BTSO | HIGH-SPEED CMOS BUS INTERFACE 10-BIT REGISTER |
Integrated Device Technology |
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| IDTQS74FCT2821CTQ | HIGH-SPEED CMOS BUS INTERFACE 10-BIT REGISTER |
Integrated Device Technology |
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| IDTQS74FCT2821CTSO | HIGH-SPEED CMOS BUS INTERFACE 10-BIT REGISTER |
Integrated Device Technology |
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