GR >> MK21FN1M0AVMC12 
123110
MK21FN1M0AVMC12
FREESCALE
Quantity 18650
Packaging BGA
Description original&Quality new original
472142
MK21FN1M0AVMC12
NXP USA Inc.
Quantity 9000
Packaging IC MCU 32BIT 1MB FLASH 121MAPBGA
Description original&Quality new original