| 74AC520PC | Fairchild/ON Semiconductor | | 20-DIP (0.300", 7.62mm) | — | 申请询价 |
| 74AC520SC | Fairchild/ON Semiconductor | | 20-SOIC (0.295", 7.50mm Width) | — | 申请询价 |
| 74AC520SCX | Fairchild/ON Semiconductor | | 20-SOIC (0.295", 7.50mm Width) | — | 申请询价 |
| 74AC521MTC | Fairchild/ON Semiconductor | | 20-TSSOP (0.173", 4.40mm Width) | — | 申请询价 |
| 74AC521MTCX | Fairchild/ON Semiconductor | | 20-TSSOP (0.173", 4.40mm Width) | — | 申请询价 |
| 74AC521PC | Fairchild/ON Semiconductor | | 20-DIP (0.300", 7.62mm) | — | 申请询价 |
| 74AC521SC | Fairchild/ON Semiconductor | | 20-SOIC (0.295", 7.50mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.295", 7.50mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.209", 5.30mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.209", 5.30mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-DIP (0.300", 7.62mm) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.295", 7.50mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.295", 7.50mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.209", 5.30mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.209", 5.30mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-TSSOP (0.173", 4.40mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-TSSOP (0.173", 4.40mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-DIP (0.300", 7.62mm) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.295", 7.50mm Width) | — | |
| Fairchild/ON Semiconductor | | 20-SOIC (0.295", 7.50mm Width) | — | |
