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| PartNumber | SN74F521NSR | SN74F521NS | SN74F521NSRG4 |
| Description | Logic Comparators Octal Binary/BCD Idy Comparators w/Enable | Identity Comparator 8-Bit 20-Pin SOP Tube | - Bulk (Alt: SN74F521NSRG4) |
| Manufacturer | Texas Instruments | - | - |
| Product Category | Logic Comparators | - | - |
| RoHS | Y | - | - |
| Comparator Type | Magnitude | - | - |
| Number of Bits | 8 bit | - | - |
| Logic Function | A = B | - | - |
| Output Type | Active Low | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Supply Current Max | 32 mA | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Propagation Delay Time | 10 ns | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SO-20 | - | - |
| Packaging | Reel | - | - |
| Product | Digital Comparators | - | - |
| Series | SN74F521 | - | - |
| Brand | Texas Instruments | - | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | - | - |
| Polarity | Inverting | - | - |
| Product Type | Logic Comparators | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.009408 oz | - | - |