| Компонент | Описание | Производитель | |
| SN74LS290 | DECADE AND 4-BIT BINARY COUNTERS |
Texas Instruments |
|
| SN74LS290D | DECADE COUNTER; 4-BIT BINARY COUNTER |
ON Semiconductor |
|
| SN74LS290D | DECADE COUNTER; 4-BIT BINARY COUNTER |
Motorola, Inc |
|
| SN74LS290D | DECADE AND 4-BIT BINARY COUNTERS |
Texas Instruments |
|
| SN74LS290DR2 | DECADE COUNTER; 4-BIT BINARY COUNTER |
ON Semiconductor |
|
| SN74LS290N | DECADE COUNTER; 4-BIT BINARY COUNTER |
ON Semiconductor |
|
| SN74LS290N | DECADE COUNTER; 4-BIT BINARY COUNTER |
Motorola, Inc |
|
| SN74LS290N | DECADE AND 4-BIT BINARY COUNTERS |
Texas Instruments |