TC74ACT521P и другие
| Компонент | Описание | Производитель | |
| MC74ACT521 | 8-BIT IDENTITY COMPARATOR |
Motorola, Inc |
 |
| MC74ACT521DW | 8-BIT IDENTITY COMPARATOR |
Motorola, Inc |
|
| MC74ACT521N | 8-BIT IDENTITY COMPARATOR |
Motorola, Inc |
|
| TC74ACT521F | CMOS Digital Integrated Circuit Silicon Monolithic 8-Bit Equality Comparator |
Toshiba Semiconductor |
|
| TC74ACT521P | CMOS Digital Integrated Circuit Silicon Monolithic 8-Bit Equality Comparator |
Toshiba Semiconductor |
|