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| PartNumber | N74F521D | N74F521D,602 | N74F521D,623 |
| Description | Identity Comparato | IC COMPARATOR IDENTITY 8B 20SOIC | IC COMPARATOR IDENTITY 8B 20SOIC |
| Manufacturer | NXP Semiconductors | - | - |
| Product Category | Logic - Comparators | - | - |
| Series | 74F | - | - |
| Type | Identity Comparator | - | - |
| Packaging | Tube | - | - |
| Package Case | 20-SOIC (0.295", 7.50mm Width) | - | - |
| Operating Temperature | 0°C ~ 70°C | - | - |
| Mounting Type | Surface Mount | - | - |
| Voltage Supply | 4.5 V ~ 5.5 V | - | - |
| Output | Active Low | - | - |
| Number of Bits | 8 | - | - |
| Output Function | A=B | - | - |
| Current Output High Low | 1mA, 20mA | - | - |
| Max Propagation Delay V Max CL | 9.5ns @ 5V, 50pF | - | - |
| Current Quiescent | - | - | - |