Low-power differential interface technologies for portable productsdesignfeature By Pravas Pradhan and Jeff Ju, Fairchild SemiconductorALTHOUGH A NUMBER OF RECENT PUBLICATIONS HAVE OUTLINED THE BENEFITS OF USING DIFFERENTIAL SIGNALLING TECHNOLOGY OVER SINGLEENDED TECHNOLOGY FOR SERIAL INTERFACES, LESS INFORMATION EXISTS ON THE HIDDEN FORCES DRIVING SUCH MIGRATIONS AT THE SIGNAL-TRANSMISSION LEVEL.Low-Power Differential Interface Technologies for Portable ProductsDesigns in the consumer and communications sectors are witnessing a transition from parallel to high-speed serial I/O solutions. Interface technologies that can balance the conflicting requirements for very high data rates, at lower power consumption, and with improved EMI performance are experiencing rapid growth. This article analyses the architectures of the most commonly used differential……
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