MK21DX256 Series
| Mfr.Part# | Description | Manufacturer | In Stock | Operation |
| MK21DX256AVMC5R | IC MCU 32B 256KB FLASH 121MAPBGA | NXP USA Inc. | 9439 |
|
| MK21DX256VLK5 | IC MCU 32BIT 256KB FLASH 80FQFP | NXP USA Inc. | 9427 |
|
| MK21DX256VMC5 | IC MCU 32B 256KB FLASH 121MAPBGA | NXP USA Inc. | 5182 |
|
| MK21DX256AVLK5 | KINETIS K21: 50MHZ CORTEX-M4 MCU | Freescale Semiconductor | 6942 |
|