Cheap And Discounts (5 pcs) AT89S8253-24PU AT89S8253-24PC AT89S8253 Direct Plug DIP-40 Microcontroller Chip IC Good Quality Spot Wholesale. Buy Directly From Merchant JSWY Electronic Porter Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.