SN74LS155 demultiplexer equivalent, dual 1-of-4 decoder / demultiplexer.
The LS155 and LS156 are fabricated with the Schottky barrier diode process for high speed and are completely compatible.
The LS155 and LS156 are Dual 1-of-4 Decoder/Demultiplexers with common Address inputs and separate gated Enable inputs. When enabled, each decoder section accepts the binary weighted Address inputs (A0, A1) and provides four mutually exclusive active.
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