| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 2156-CAT1021ZI-42-G-488-ND | 672 | $1.20 | Buy |
| Mouser Electronics | 698-CAT1021ZI-42-G | 0 | $0.92 | Buy |
| Quarktwin Electronic Components | CAT1021ZI-42-G | 5244 | $0.81 | Buy |
| Newark | CAT1021ZI-42-G | $1.37 | Buy | |
| Farnell | CAT1021ZI-42-G | 672 | * $1.10 | Buy |
| AVNET Express | CAT1021ZI-42-G | 672 | $0.99 | Buy |
CPU Supervisor with 2 k EEPROM Memory