Ramtron's new FM25L512 is a 512 kilobit, 3 V nonvolatile FRAM device with a high-speed serial peripheral interface (SPI). It offers increased data collection and storage capacity in a small 8-pin package compared to the previous 256 Kb serial FRAM device. Intended for a range of applications from multifunction printers to industrial motor controllers, it is a direct hardware replacement for equivalent EEPROMs. The FM25L512 offers instantaneous reads, writes at bus speeds of up to 20 MHz, has 10-year data retention, virtually unlimited read/write endurance, and low operating currents. The device operates from 3 to 3,6 V and is rated over -40 to +85°C. According to Ramtron, the FM25L512 outperforms alternative nonvolatile memory solutions for applications that require frequent and rapid writes and/or low power operation. These applications range from advanced data collection, in which the number of write cycles is critical, to demanding industrial controls, in which long write delays and limited endurance can cause data loss. Unlike serial EEPROMs, it performs write operations at bus speed.
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