SN74S02 is Quad 2-input positive-NOR gates 14-PDIP 0 to 70
Logic - NOR Gate IC; Logic Type:Gate; Logic Family:S; Logic Base Number:7402; Output Current Max:20mA; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Package/Case:14-DIP; No. of Pins:14 ;RoHS Compliant: Yes