National Semiconductor
74 Series TTL Logic
Part number: DM74154
Function: 4 Line To 16 Line Decoder/Demultiplexers
24 pin DIP package
Datasheet is readily available online or I can provide one (if requested)
New unused, old stock and stored in the suitable ESD safe material
Condition exactly as described
Non-returnable product unless dead on arrival advised within 7 days