74LS02 Overview
This device contains four independent gates each of which performs the logic NOR function. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Function Table Y= A+B Inputs A L L H H H = HIGH Logic Level L = LOW Logic Level Output B L H L H Y H L L L © 2000 Fairchild Semiconductor Corporation DS006441 .fairchildsemi.