Cheap And Discounts 50pcs/Lot HD74LS03P DIP-14 Logic Circuit, Quad 2-Input NAND, LS-TTL, 14 Pin Operating Temperature:0 C-+ 70 C Wholesale. Buy Directly From Merchant CJXY221012 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.