Kinetis K 32-bit MCU, ARM Cortex-M4 core, 512KB Flash, 120MHz, USB, MAPBGA 144
Freescale
Freescale - MK20FN1M0VLQ12
$19.60 - $19.80
Freescale - MK20FN1M0VMD12
Freescale - MK20FX512VLQ12
$16.72 - $18.06