| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-3592-5-ND | 320 | $0.88 | Buy |
| Mouser Electronics | 595-SN74F521DW | 276 | $0.81 | Buy |
| Win Source | SN74F521DW | 102 | $0.37 | Buy |
| Quarktwin Electronic Components | SN74F521DW | 10108 | $0.81 | Buy |
| Arrow North American Components | SN74F521DW | 819 | $0.20 | Buy |
| Freelance | SN74F521DW | 840 | Buy | |
| Verical Marketplace | SN74F521DW | 1150 | $0.78 | Buy |
| RS Components | SN74F521DW | $10.36 | Buy | |
| Newark | SN74F521DW | $0.75 | Buy | |
| AVNET Europe | SN74F521DW | 175 | * $0.41 | Buy |
| AVNET Express | SN74F521DW | 21588 | $0.32 | Buy |
| Texas Instruments | SN74F521DW | 14939 | $0.74 | Buy |
SN74F521 8-Bit Identity/Magnitude Comparators (P=Q) with Enable