This site uses third-party website tracking technologies to provide and continually improve our services, and to display advertisements according to users' interests. I agree and may revoke or change my consent at any time with effect for the future.

National Semiconductor
June 1989
54LS155/DM54LS155/DM74LS155,
54LS156/DM54LS156/DM74LS156
Dual 2-Line to 4-Line Decoders/Demultiplexers
General Description Features
These TTL circuits featu