GR >> MK21DN512AVLK5 
123249
MK21DN512AVLK5
FREESCALE
Quantity 18650
Packaging QFP
Description original&Quality new original
472130
MK21DN512AVLK5
NXP USA Inc.
Quantity 9000
Packaging IC MCU 32BIT 512KB FLASH 80LQFP
Description original&Quality new original