SN54LS139 Datasheet Index: Compare All Manufacturers

Manufacturer	Part Number	Description
Texas Instruments	SN54LS139A	Dual 2-Line To 4-Line Decoders/Demultiplexer
Motorola Semiconductor (now NXP Semiconductors)	SN54LS139	DUAL 1-OF-4 DECODER/ DEMULTIPLEXER