What this 74HC multiplexer does on your board
The SN74HC158PWR is a 4 x 2:1 single-supply multiplexer from the 74HC series, in a 16-TSSOP package.
Supply voltage and output drive — what the numbers mean for your BOM
Rated for 2V to 6V single-supply operation. The 7.8 mA source and sink at each output is typical for the 74HC family.
