GR >> MK20FX512VMD12 
123974
MK20FX512VMD12
FREESCALE
Quantity 18650
Packaging BGA
Description original&Quality new original
472129
MK20FX512VMD12
NXP USA Inc.
Quantity 9000
Packaging IC MCU 32BIT 512KB FLASH 144BGA
Description original&Quality new original