Download 74LS156 Datasheet PDF
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74LS156 Description

DUAL 1-OF-4 DECODER/ DEMULTIPLEXER The SN54 / 74LS155 and SN54 / 74LS156 are high speed Dual 1-of-4 Decoder/Demultiplexers. These devices have two decoders with mon 2-bit Address inputs and separate gated Enable inputs. Decoder “a” has an Enable gate with one active HIGH and one active LOW input.