Encoders, Decoders, Multiplexers & Demultiplexers Encoders, Decoders, Multiplexers & Demultiplexers 3-Line To 8-Line Decoders/Demultiplexers 16-CDIP -55 to 125 JM38510/30701BEA - Texas Instrument - Military High-Reliability Integrated Circuit, Commercial Number 54LS138 MFG. Texas Instrument Date Code 1990