Cheap And Discounts 100% New Original 8 bit Microcontrollers MCU IC Chip TQFP-64 CY8C4246AZI-L445 Wholesale. Buy Directly From Merchant Wan xing da MCU Franchise Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.