| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 296-34015-5-ND | 336 | $2.04 | Buy |
| Mouser Electronics | 595-SN74LS640-1DW | 0 | $2.06 | Buy |
| Texas Instruments | SN74LS640-1DW | 1695 | $1.46 | Buy |
| Win Source | SN74LS640-1DW | 8500 | Buy | |
| Verical Marketplace | SN74LS640-1DW | 575 | $2.01 | Buy |
| Arrow North American Components | SN74LS640-1DW | 0 | $1.49 | Buy |
| Quarktwin Electronic Components | SN74LS640-1DW | 10425 | $1.84 | Buy |
| AVNET Europe | SN74LS640-1DW | 75 | * $1.44 | Buy |
| element14 APAC | SN74LS640-1DW | * $2.60 | Buy | |
| AVNET Express | SN74LS640-1DW | 9547 | $1.16 | Buy |
| Farnell | SN74LS640-1DW | * $1.94 | Buy | |
| Ameya360 | SN74LS640-1DW | 750 | $1.19 | Buy |
SN74LS640 Octal bus transceivers