| Компонент | Описание | Производитель | |
| SN74HC191N | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
|
| SN74HC191N3 | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
|
| SN74HC191NE4 | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
|
| SN74HC191NSR | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |
|
| SN74HC191NSRE4 | 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
Texas Instruments |