| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-42646-1-ND | 1875 | $0.94 | Buy |
| Mouser Electronics | 595-SN74F521NSR | 1380 | $0.76 | Buy |
| Quarktwin Electronic Components | SN74F521NSR | 13952 | $0.30 | Buy |
| Win Source | SN74F521NSR | 1620 | $0.51 | Buy |
| Arrow North American Components | SN74F521NSR | 0 | $0.45 | Buy |
| AVNET Express | SN74F521NSR | 3450 | $0.30 | Buy |
| Texas Instruments | SN74F521NSR | 22639 | $0.61 | Buy |
SN74F521 8-Bit Identity/Magnitude Comparators (P=Q) with Enable