74HC4520 и другие
| Компонент | Описание | Производитель | |
| 74HC4520 | Dual 4-bit synchronous binary counter |
NXP Semiconductors |
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| 74HC4520D | Dual 4-bit synchronous binary counter |
NXP Semiconductors |
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| 74HC4520DB | Dual 4-bit synchronous binary counter |
NXP Semiconductors |
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| 74HC4520N | Dual 4-bit synchronous binary counter |
NXP Semiconductors |
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| 74HC4520PW | Dual 4-bit synchronous binary counter |
NXP Semiconductors |
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| 74HC4520U | Dual 4-bit synchronous binary counter |
NXP Semiconductors |
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| CD54HC4520 | High-Speed CMOS Logic Dual Synchronous Counters |
Texas Instruments |
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| CD54HC4520F | High-Speed CMOS Logic Dual Synchronous Counters |
Texas Instruments |
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| CD54HC4520F3A | High-Speed CMOS Logic Dual Synchronous Counters |
Texas Instruments |
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| CD74HC4520 | High Speed CMOS Logic Dual Synchronous Counters |
Texas Instruments |
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