![]() Here we have a significant decision to make-precisely what design variations on your products will you provide? Probably a few of the most popular ones that have scored highly in the marketability area. So, we can see that you will probably not be able to cover every single DRAM on the market in your products. Physically, in our example earlier with the DRAM, the market provides components from 4Mb (256KX16) up to 64Gb (2G X 32) with a total of 112 different memory sizes using a total of 186 different physical footprints. But that does come with a huge warning, and it takes a bit of planning to prepare for every component scenario both physically and electrically. When dealing with alternate variant components, it is essential to know that it is not required that a particular component be a “drop-in” replacement. A single PCB design with various components/firmware mounted can lead to different design variants, suiting the needs of different customers. In that way, you could support multiple product lines. Let me give you a great example: You could have a PCB Design using a DRAM of different memory sizes. Either by not installing, not installing, or choosing alternate components as replacements on a specific assembly to ultimately create different end products. The concept of design variants entails taking a single PCB design, and then on the assembly side, modifying specific components used in the design. But when dealing with design variants, special attention must be given to several areas, which is what I will be covering (in part) in this blog. That way companies get a bigger “bang for their buck.” Spending less on product development and increasing profits. You develop a single PCB design with variations of Assemblies. Ergo, you can attain tremendous savings when they develop those product lines as design variants. But to take several products through development can be very costly to any company. A significant way that they improve the bottom line is to have a variety of product lines available to their customers. It is entirely understandable that profit is what keeps the doors open and people employed. It may come as a shock to some, but many companies are in business and always chasing this thing called “profits” (I am using my sarcastic voice).
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