Rutronik offers Fujitsu SPI FRAM
Distributor Rutronik now offers Fujitsu’s ultra small package for 1Mbit SPI FRAM, which can be used for power critical miniature applications in sensor and wearable markets.
This miniature 8pin, WL-CSP (wafer level chip scale package) is an additional package variant to the existing MB85RS1MT and is smaller than the industry standard SO8-package. At 3.09 x 2.28 x 0.33mm, the WL-CSP reduces the surface mounting area by 77%, says the company, and the device height by 80%. The manufacturer claims that this 1Mbit SPI FRAM is in the industry’s smallest packaging technology.
While conventional non-volatile memories cover an endurance of the range of only one million write cycles, the MB85RS1MT FRAM provides 10 trillion read/write cycles, for flexible storage of real-time logging data. It can be overwritten fast and flexibly into each memory cell without any waiting time, says the company, resulting in a lower energy consumption in the writing access. It also helps extend the battery lifetime, especially for wearable and sensor applications with frequent logging functions.
Operating range is 1.8 to 3.6V and operating temperature range is -40 to +85°C. Data retention is guaranteed for 10 years at 85°C.
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