Kinetis K 32-bit MCU, ARM Cortex-M4 core, 1MB Flash, 120MHz, USB, MAPBGA 144
Freescale
Freescale - MK20FN1M0VLQ12
$19.60 - $19.80
Freescale - MK20FX512VLQ12
$16.72 - $18.06
Freescale - MK20FX512VMD12
$13.55