HEF4539B multiplexer equivalent, dual 4-input multiplexer.
for the HEF4539B are: January 1995 * Data selectors 4 * Data multiplexers
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The HEF4539B is a dual 4-input multiplexer with common select logic. Each multiplexer has four multiplexer inputs (I0 and I3), an active LOW enable input (E) and a multiplexer output (O). When HIGH, E forces O of the respective multiplexer LOW, indep.
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