| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| Mouser Electronics | 595-SN74LS21N | 1203 | $0.86 | Buy |
OEM Part Number: SN74LS21N; Original Manufacturer Name: Advanced Micro Devices
| Title | Manufacturer | Published |
|---|---|---|
| Designing with the SN54/74LS123 (Rev. A) | Texas Instruments | 03/01/1997 |