GR >> MK21FN1M0AVLQ12 
123335
MK21FN1M0AVLQ12
FREESCALE
Quantity 18650
Packaging LQFP-144
Description original&Quality new original
472141
MK21FN1M0AVLQ12
NXP USA Inc.
Quantity 9000
Packaging IC MCU 32BIT 1MB FLASH 144LQFP
Description original&Quality new original