PK50X256CLK100 , ARM® Cortex®-M4 Kinetis K50 Microcontroller IC 32-Bit 100MHz 256KB (256K x 8) FLASH 80-LQFP (12x12). we specialize in Freescale Semiconductor, Inc. PK50X256CLK100 electronic components. PK50X256CLK100 can be shipped within 24 hours after order.