SN74LS191D и другие
| Компонент | Описание | Производитель | |
| SN74LS191 | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL |
Texas Instruments |
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| SN74LS191D | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS |
Motorola, Inc |
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| SN74LS191D | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL |
Texas Instruments |
|
| SN74LS191DR | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS WITH UP/DOWN MODE CONTROL |
Texas Instruments |
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| SN74LS191N | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL |
Texas Instruments |
|
| SN74LS191N | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS |
Motorola, Inc |
|