74HC191DB и другие
| Компонент | Описание | Производитель | |
| 74HC191D | Presettable synchronous 4-bit binary up/down counter |
NXP Semiconductors |
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| 74HC191DB | Presettable synchronous 4-bit binary up/down counter |
NXP Semiconductors |
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| SN74HC191D | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
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| SN74HC191DE4 | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
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| SN74HC191DR | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
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| SN74HC191DRE4 | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
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| SN74HC191DT | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
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| SN74HC191DTE4 | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
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