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| PartNumber | 74AC521MTC | 74AC521MTCX | 74AC521PC |
| Description | Logic Comparators 8-Bit Identity Comp | IC COMPARATOR IDENTITY 20TSSOP | IC COMPARATOR IDENTITY 8B 20DIP |
| Manufacturer | ON Semiconductor | - | - |
| Product Category | Logic Comparators | - | - |
| RoHS | Y | - | - |
| Comparator Type | Identity | - | - |
| Number of Bits | 8 bit | - | - |
| Logic Function | A = B | - | - |
| Output Type | Active Low | - | - |
| Supply Voltage Max | 6 V | - | - |
| Supply Voltage Min | 2 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Propagation Delay Time | 11.5 ns, 8.5 ns | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TSSOP-20 | - | - |
| Packaging | Tube | - | - |
| Product | Digital Comparators | - | - |
| Brand | ON Semiconductor / Fairchild | - | - |
| Input Voltage Range | - 0.5 V to + 0.5 V | - | - |
| Ib Input Bias Current | 0.004 mA | - | - |
| Operating Supply Voltage | 2.5 V, 3.3 V, 5 V | - | - |
| Polarity | Inverting | - | - |
| Product Type | Logic Comparators | - | - |
| Factory Pack Quantity | 73 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.006737 oz | - | - |