74155 IC Dual 1:4 Demultiplexer

IC 74155 is a dual 1:4 line demultiplexer with individual strobe inputs.
It has common binary address inputs (A, B and C) and it is available in single 16 pin package.
To enable a section, we have to connect the corresponding strobe input to ground.
When both the sections are enabled, the common binary address inputs (A, B, C) can be used to select the outputs of both sections.
the data applied to input IC is inverted at its output and that applied at pin number 15 is not inverted through the output.