74F521 и другие
| Компонент | Описание | Производитель | |
| 54F521 | 8-Bit Identity Comparator |
National Semiconductor |
 |
| 54F521DM | 8-Bit Identity Comparator |
National Semiconductor |
|
| 54F521DMQB | 8-Bit Identity Comparator |
National Semiconductor |
|
| 54F521LMQB | 8-Bit Identity Comparator |
National Semiconductor |
|
| 74F521 | 8-bit identity comparator |
NXP Semiconductors |
|
| 74F521 | 8-Bit Identity Comparator |
Fairchild Semiconductor |
|
| 74F521CW | 8-Bit Identity Comparator |
Fairchild Semiconductor |
|
| 74F521MSA | 8-Bit Identity Comparator |
Fairchild Semiconductor |
|
| 74F521MSA | 8-Bit Identity Comparator |
National Semiconductor |
|
| 74F521MSAX | 8-Bit Identity Comparator |
Fairchild Semiconductor |
|