| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-3673-5-ND | 904 | $1.55 | Buy |
| DigiKey | 2156-SN74LS221NSR-ND | 2000 | $1.32 | Buy |
| DigiKey | SN74LS221DRE4-ND | 0 | $0.49 | Buy |
| DigiKey | 2156-SN74LS221NSR-ND | 2000 | $1.32 | Buy |
| DigiKey | 296-SN74LS221DRCT-ND | 53 | $1.30 | Buy |
| DigiKey | 2156-SN74LS221NSR-ND | 2000 | $1.53 | Buy |
| DigiKey | 296-3673-5-ND | 0 | $1.30 | Buy |
| DigiKey | SN74LS221DRE4-ND | 0 | $1.19 | Buy |
| Mouser Electronics | 595-SN74LS221DG4 | 0 | $0.77 | Buy |
| Mouser Electronics | 595-SN74LS221NSRE4 | 0 | Buy | |
| Mouser Electronics | 595-SN74LS221DRG4 | 0 | Buy | |
| Mouser Electronics | 595-SN74LS221NSRG4 | 0 | Buy | |
| Mouser Electronics | 595-SN74LS221DE4 | 0 | Buy | |
| Mouser Electronics | 595-SN74LS221DBRE4 | 0 | Buy | |
| Mouser Electronics | 595-SN74LS221DBRG4 | 0 | Buy | |
| Mouser Electronics | 595-SN74LS221NE4 | 410 | $1.48 | Buy |
| Mouser Electronics | 595-SN74LS221DR | 1854 | $1.18 | Buy |
| Mouser Electronics | 595-SN74LS221DBR | 1069 | $1.35 | Buy |
| Mouser Electronics | 595-SN74LS221D | 1755 | $1.31 | Buy |
| Mouser Electronics | 595-SN74LS221N | 771 | $1.54 | Buy |
| Mouser Electronics | 595-SN74LS221NSR | 1370 | $1.52 | Buy |
| Mouser Electronics | 595-SN74LS221DRE4 | 0 | $0.47 | Buy |
| Texas Instruments | SN74LS221N | 33094 | $1.18 | Buy |
| Freelance | SN74LS221N | 116 | Buy | |
| AVNET Express | SN74LS221N | 35152 | $0.67 | Buy |
| AVNET Europe | SN74LS221N | 25 | * $0.83 | Buy |
| Newark | SN74LS221N | 42 | $1.96 | Buy |
| element14 APAC | SN74LS221N | 41 | * $1.68 | Buy |
| Farnell | SN74LS221N | 63 | * $1.70 | Buy |
| Component Online | SN74LS221N | 3 | $1.15 | Buy |
| AVNET Express | SN74LS221NSR | 2000 | $0.60 | Buy |
| Utsource | SN74LS221NE4 | 10000 | $1.26 | Buy |
| Farnell | SN74LS221DBR | * $0.86 | Buy | |
| Texas Instruments | SN74LS221NSR | 7396 | $1.14 | Buy |
| Texas Instruments | SN74LS221DBR | 14637 | $1.00 | Buy |
| Win Source | SN74LS221NSR | 1703 | $0.68 | Buy |
| AVNET Express | SN74LS221NE4 | 190 | $0.40 | Buy |
| Newark | SN74LS221NE4 | $1.26 | Buy | |
| Quest Components | SN74LS221N | 44 | $3.38 | Buy |
| AVNET Express | SN74LS221DRE4 | $0.49 | Buy | |
| Verical Marketplace | SN74LS221N | 300 | $1.28 | Buy |
| Arrow North American Components | SN74LS221N | 2 | $0.89 | Buy |
| RS Components (APAC) | SN74LS221N | $51.10 | Buy | |
| RS Components | SN74LS221N | $1.43 | Buy | |
| AVNET Express | SN74LS221DR | $0.49 | Buy | |
| Arrow North American Components | SN74LS221D | 0 | $1.37 | Buy |
| Verical Marketplace | SN74LS221D | 2830 | $0.00 | Buy |
| Texas Instruments | SN74LS221D | 2284 | $1.09 | Buy |
| Quest Components | SN74LS221D | 356 | $1.04 | Buy |
| Freelance | SN74LS221D | 253 | Buy | |
| RS Components | SN74LS221D | $25.68 | Buy | |
| Arrow North American Components | SN74LS221DBR | 0 | $0.83 | Buy |
| Farnell | SN74LS221D | 1162 | * $1.90 | Buy |
| Newark | SN74LS221D | 516 | $1.85 | Buy |
| element14 APAC | SN74LS221D | 1192 | * $1.65 | Buy |
| AVNET Express | SN74LS221D | 368 | $0.43 | Buy |
| AVNET Europe | SN74LS221D | 349 | * $0.88 | Buy |
| RS Components (APAC) | SN74LS221D | $48.02 | Buy | |
| AVNET Express | SN74LS221DBR | $0.54 | Buy | |
| Verical Marketplace | SN74LS221DBR | 10000 | $0.51 | Buy |
| AVNET Europe | SN74LS221DR | * $0.71 | Buy | |
| Texas Instruments | SN74LS221DR | 47401 | $0.80 | Buy |
| Win Source | SN74LS221DR | 9703 | $0.63 | Buy |
| Arrow North American Components | SN74LS221DR | 0 | Buy | |
| AVNET Asia Pacific | SN74LS221DR | Buy | ||
| AVNET Express | SN74LS221DG4 | $0.56 | Buy | |
| Utsource | SN74LS221NSRE4 | 10000 | $1.26 | Buy |
| Utsource | SN74LS221DE4 | 10000 | $1.26 | Buy |
| Utsource | SN74LS221DBRE4 | 33951 | $1.26 | Buy |
| AVNET Europe | SN74LS221DBR | * $0.86 | Buy | |
| element14 APAC | SN74LS221DBR | * $1.52 | Buy |
SN74LS221 Dual monostable multivibrators with Schmitt-trigger inputs