| PartNumber | 74F521SJ | 74F521SJX |
| Description | Logic Comparators 8-Bit Identity Comp | Logic Comparators 8-Bit Identity Comp |
| Manufacturer | ON Semiconductor | ON Semiconductor |
| Product Category | Logic Comparators | Logic Comparators |
| RoHS | Y | Y |
| Comparator Type | Identity | Identity |
| Number of Bits | 8 bit | 8 bit |
| Supply Voltage Max | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V |
| Supply Current Max | 32 mA | - |
| Minimum Operating Temperature | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C |
| Propagation Delay Time | 10 ns | 10 ns |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | SOP-20 | SOP-20 |
| Packaging | Tube | Reel |
| Product | Digital Comparators | Digital Comparators |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Input Voltage Range | - 0.5 V to + 7 V | - 0.5 V to + 7.0 V |
| High Level Output Current | 1 mA | - |
| Low Level Output Current | 20 mA | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | 5 V |
| Polarity | Inverting | Inverting |
| Product Type | Logic Comparators | Logic Comparators |
| Factory Pack Quantity | 38 | 2000 |
| Subcategory | Logic ICs | Logic ICs |
| Unit Weight | 0.009408 oz | 0.009408 oz |
| Logic Function | - | A = B |
| Output Type | - | Active Low |
| Part # Aliases | - | 74F521SJX_NL |