Logic - Gates and Inverters
Integrated Circuits (ICs) - Page 114
CD4002BD
Harris Corporation
4000/14000/40000 Series, Dual 4-INPUT Nor Gate, CDIP14, Hermetic Sealed, Ceramic, DIP-14
Stock: 124
7439PC
Texas Instruments
Quad 2-Input NAND Buffer with Open-Collector Output 5V 14-Pin PDIP
Stock: 4909