74139 Ic Pin Diagram. The decoders take as input a two digit binary number 1 thru 4 00 01 10 11 and output by selecting one of four lines. Ps 71660 74139series ps 71660 sd 74139 002.
This sn74hc139 example circuit uses the first decoder on pins 1 7. Output active low 11. 74139 pin diagram ic 74139 text.
Inputs are pins 2 and 3 and the outputs are pins 4 to 7.
Output active low 11. The decoders take as input a two digit binary number 1 thru 4 00 01 10 11 and output by selecting one of four lines. Ps 71660 74139series ps 71660 sd 74139 002. Output active low 7.
