Dual 4-input OR gate IC HEF4072B / HEF4072BP / 4072B / 4072BP DESCRIPTION : The HEF4072B provides the positive dual 4-input OR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance. HEF4072BP(N): 14-lead DIL; plastic (SOT27-1) Data Sheet : http://www.nxp.com/documents/data_sheet/HEF4072B_CNV.pdf