M54HC138F1R M74HC138M1R M74HC138B1R M74HC138C1R

DESCRIPTION The M54/74HC139 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 input can be used for gating or as a