“Your Complete Electronic Parts Source” SA74LS154N This is for 1) pc of the SA74LS154N IC Brand New “Original” Signetics Integrated Circuit 24 Pin DIP Quadruple 2-input Positive NAND Gates Also replaces standard 74154 TTL series Replaces ECG74154 Contact Seller for additional information or questions. Consolidated Electronics was created in February of 1979. We are specialists in consumer semiconductors stocking over 25,000 different items. If you are in the US or Canada, you can call us Toll-Free at check out other items in our EBAY STORE stores.ebay.com/ceitron Also check our web site for additional items not listed here on EBay. Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.