| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 2156-SN74AS21D-ND | 21392 | $2.83 | Buy |
| Mouser Electronics | 595-SN74AS21D | 255 | $2.43 | Buy |
| Mouser Electronics | 595-SN74AS21NSR | 0 | $1.36 | Buy |
| Mouser Electronics | 595-SN74AS21NS | 455 | $3.35 | Buy |
| Mouser Electronics | 595-SN74AS21DR | 0 | Buy | |
| Mouser Electronics | 595-SN74AS21N | 75 | $4.49 | Buy |
| Verical Marketplace | SN74AS21D | 8800 | $0.00 | Buy |
| AVNET Express | SN74AS21D | 35192 | $1.16 | Buy |
| AVNET Europe | SN74AS21D | * $1.40 | Buy | |
| Arrow North American Components | SN74AS21D | 0 | $1.30 | Buy |
| Texas Instruments | SN74AS21NSR | 15918 | $2.07 | Buy |
| Verical Marketplace | SN74AS21NSR | 14000 | $0.00 | Buy |
| Arrow North American Components | SN74AS21NSR | 0 | $1.64 | Buy |
| AVNET Europe | SN74AS21NSR | * $1.29 | Buy | |
| AVNET Express | SN74AS21NSR | 42000 | $1.06 | Buy |
| Texas Instruments | SN74AS21D | 16212 | $1.84 | Buy |
| Verical Marketplace | SN74AS21NS | 9800 | $1.24 | Buy |
| element14 APAC | SN74AS21N | * $2.31 | Buy | |
| AVNET Express | SN74AS21N | 60672 | $1.06 | Buy |
| Farnell | SN74AS21N | * $2.71 | Buy | |
| Freelance | SN74AS21N | 150 | Buy | |
| AVNET Express | SN74AS21DR | 57625 | $0.71 | Buy |
| AVNET Europe | SN74AS21N | * $1.29 | Buy | |
| Arrow North American Components | SN74AS21N | 0 | $1.85 | Buy |
| Arrow North American Components | SN74AS21NS | 0 | $1.27 | Buy |
| Texas Instruments | SN74AS21N | 17722 | $2.15 | Buy |
| Win Source | SN74AS21N | 15000 | $0.97 | Buy |
| Component Online | SN74AS21N | 8 | $1.15 | Buy |
| Texas Instruments | SN74AS21NS | 17350 | $2.40 | Buy |
SN74AS21 Dual 4-Input Positive-AND Gates