| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 74AC521SC | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 80 K |
| 74AC521SCX | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 80 K |
| 74AC821SC | 10-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild-Semiconductor | SOIC | 24 | - | - | 79 K |
| 74AC821SCX | 10-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild-Semiconductor | SOIC | 24 | - | - | 79 K |
| 74AC821SCX | 10-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild-Semiconductor | SOIC | 24 | - | - | 79 K |
| 74ACT521SC | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 80 K |
| 74ACT521SCX | 8-Bit Identity Comparator | Fairchild-Semiconductor | SOIC | 20 | - | - | 80 K |
| 74ACT821SC | 10-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild-Semiconductor | SOIC | 24 | - | - | 79 K |
| 74ACT821SCX | 10-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild-Semiconductor | SOIC | 24 | - | - | 79 K |
| 74ACTQ821SC | Quiet Series 10-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild-Semiconductor | SOIC | 24 | - | - | 68 K |
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