PK40X128VLQ100 , ARM® Cortex®-M4 Kinetis K40 Microcontroller IC 32-Bit 100MHz 128KB (128K x 8) FLASH 144-LQFP (20x20). we specialize in Freescale Semiconductor, Inc. PK40X128VLQ100 electronic components. PK40X128VLQ100 can be shipped within 24 hours after order.