| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 74ACT521CW | 8-Bit Identity Comparator | Fairchild-Semiconductor | - | - | - | - | 80 K |
| 74ACT521MTC | 8-Bit Identity Comparator | Fairchild-Semiconductor | TSSOP | 20 | - | - | 80 K |
| 74ACT521MTCX | 8-Bit Identity Comparator | Fairchild-Semiconductor | TSSOP | 20 | - | - | 80 K |
| 74ACT521PC | 8-Bit Identity Comparator | Fairchild-Semiconductor | MDIP | 20 | - | - | 80 K |
| 74ACT521SC | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 80 K |
| 74ACT521SCX | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 80 K |
| 74ACT521SJ | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 80 K |
| 74ACT521SJX | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 80 K |
| MC74ACT521DW | 8-bit identity comparator | Motorola | - | 20 | -40°C | 85°C | 180 K |
| MC74ACT521N | 8-bit identity comparator | Motorola | - | 20 | -40°C | 85°C | 180 K |
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