Fujitsu Semiconductor America (FSA) today announced the release of MB85RDP16LX, an ultra-low-power FRAM device with an integrated binary counter function. The new device incorporates multiple optimizations that can slash energy consumption to less than 10 percent of what is required by standard FRAM solutions. With the MB85RDP16LX, Fujitsu is targeting industrial automation applications involving energy harvesting for rotary encoders, motor control and sensors.
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The new device provides significant energy savings by integrating the counter function into the FRAM device. This contrasts with conventional system environments using standard memory, which require the MCU to read data from the memory device before performing computation and writing new data back to the memory to complete the counting operation. In contrast, the MB85RDP16LX replaces these separate read/write operations with a single command from the MCU and uses only the binary counter, resulting in energy savings of up to 94 percent.
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To satisfy the broad temperature ranges required by the industrial automation market, the MB85RDP16LX has been specified for an operating temperature range of -40 to 105 degrees C without compromising its 10-year data retention time. MB85RDP16LX comes in an SON-8 package with physical dimensions of 2 mm x 3 mm, which permits the design of miniature devices. Compared with typical SOP-8 packages, more than 80 percent of the memory’s PCB space can be saved.
Also available through Fujitsu is a 16kbit FRAM without the binary counter for general data storage. MB85RS16N devices are available in SOP and SON packages with operating temperature up to 95 degrees C. The MB85RDP16LX has entered mass production and samples are now available.
source: http://www.powerpulse.net/story.php?storyID=31271
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