Padu wrote: > Someone else indicated that moments ago in another post that > cylindrical is more resistant to vibrations. This device will be > inside a racebike or a racecar, then I guess cylindrical would be > better. Higher-frequency crystals, because they're physically smaller, are often more shock- and vibration-resistant than low-frequency crystals. It's probably not an issue in this case, since the frequencies you're choosing from aren't THAT far apart, but maybe something to keep in mind for other crystals you might need in your high-vibration application. -Andy === Andrew Warren -- aiw@cypress.com === Principal Design Engineer === Cypress Semiconductor Corporation === === Opinions expressed above do not === necessarily represent those of === Cypress Semiconductor Corporation _______________________________________________ http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist