Signetics N74155 dual 2-line to 4-line decoder/demux Integrated Circuit

M74LS139P 2-Line to 4-Line Decoder / Demultiplex 2 PCS NOS

National DM74LS138N 3-line to 8-line decoder/demultiplexer integrated circuit

Panasonic 74LS247 BCD-to-Seven-Segment decoder/driver Integrated Circuit

Toshiba TC74HC139P dual 2-to-4 line decoder Integrated Circuit

Hitachi HD74LS155P dual 2-to-4 line decoder/demultiplexer Integrated Circuit

National MC74HC139N/MM74HC139N dual 2-to-4 line decoder Integrated Circuit

Texas Instruments SN54LS139J dual 2-to-4 line decoder Integrated Circuit