Cheap And Discounts DIP-28 AT28C256-15PU 256K 32Kx8 Paged Parallel EEPROM AT28C256 IC Chip Integrated Circuits Wholesale. Buy Directly From Merchant MWSS PCB Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.