Abstract: cd40106 application notes MM74HC pin configuration CD40106 diagram CD40106 DATASHEET ic CD40106 ic mm74hc CPDF CD40106 Family specifications AN-376 Text: disable all signals to use a MM74HC4049 or MM74HC4050-circuits that that might affect the powered or , ) FIGURE 5. MM74C922 • MM74C923 16-Key Encoder • 20-Key Encoder MM74C922 • MM74C923 16-Key Encoder • 20-Key Encoder General Description The MM74C922 and MM74C923 CMOS key encoders pro-vide all the necessary logic to fully encode an array of SPST switches. The keyboard scan can be implemented by either an external clock or external capacitor. These Explore Motorola MC74HC243 and discover alternative parts, CAD models, technical specifications, datasheets, and more on Octopart. These are the part details and datasheets for MM74HC and contains information such as trending graphs, pricing, part images, similar parts, technical information, supplier stock, and manufacturer information.