M54HCT139 decoder/demultiplexer equivalent, dual 2 to 4 decoder/demultiplexer.
While the enable input is held high, all four outputs are high independently of the other inputs. All inputs are equipp.
The M54/74HCT139 is a high speed CMOS DUAL TWO LINE TO FOUR LINE DECODER/DEMULTIPLEXER fabricated in silicon gate C2MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. The active low enable i.
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