These identity comparators perform comparisons on two 8-bit binary or BCD words. They provide
outputs.
The SN54F521 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F521 is characterized for operation from 0°C to 70°C.
| Number of channels | 8 |
| Technology family | F |
| Input type | Bipolar |
| Output type | Push-Pull |
| Features | Very high speed (tpd 5-10ns) |
| Operating temperature range (°C) | 0 to 70 |
| Rating | Catalog |
| PDIP (N) | 20 | 228.702 mm² 24.33 x 9.4 |
| SOIC (DW) | 20 | 131.84 mm² 12.8 x 10.3 |
| SOP (NS) | 20 | 98.28 mm² 12.6 x 7.8 |