| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 2156-ATMEGA644PA-MU-ND | 0 | $1.00 | Buy |
| Mouser Electronics | 556-ATMEGA644PA-MU | 768 | $6.71 | Buy |
| Quarktwin Electronic Components | ATMEGA644PA-MU | 18509 | Buy | |
| Win Source | ATMEGA644PA-MU | 200 | $19.91 | Buy |
| AVNET Express | ATMEGA644PA-MU | 379 | $6.50 | Buy |
| Ameya360 | ATMEGA644PA-MU | 360 | $5.27 | Buy |
| Future Electronics | ATMEGA644PA-MU | 360 | $4.30 | Buy |
ATmega Series 20 MHz 64 KB Flash 4 KB SRAM 8-Bit Microcontroller - QFN-44