Ramtron has announced the second serial device in a family of new F-RAM products that offer high-speed read/write performance, low-voltage operation and optional device features.
The FM25V05 is a 512 Kb, 2,0 to 3,6 V, serial peripheral interface (SPI) non-volatile RAM in an 8-pin SOIC package that features fast access, NoDelay writes, 1E14 read/write cycles and low power consumption. It is a suitable alternative to serial Flash and serial EEPROM memory in industrial control, metering, medical, automotive, military, gaming and computing applications, among others.
Unlike serial Flash memory or serial EEPROM, the FM25V05 performs write operations at bus speed without write delays. F-RAM allows data to be written immediately to the memory array. Data can be written continuously up to 40 megabits per second. Compared to serial Flash and serial EEPROM, the FM25V05 offers orders of magnitude more endurance and consumes less power.
High-performance F-RAM capabilities make the FM25V05 ideal for non-volatile memory applications that require frequent or rapid writes or low-power operation. Applications range from high-frequency data collection where the number of write cycles is critical, to demanding industrial controls where the long write time of serial Flash or EEPROM devices is impractical due to potential data loss.
The FM25V05 has a read-only device ID and can be ordered with a unique serial number and/or system reset option. The device ID provides information about the manufacturer, product density and product revision of the device. The unique serial number allows the host to have an ID that is different from any other host in the world. The system reset option eliminates the need for an external system reset component in the system.
The FM25V05 operates over the industrial temperature range of -40°C to +85°C, and consumes only 3 mA while running at a 40 MHz SPI clock rate, 90 μA during standby and 5 μA during sleep mode. The device offers a typical active power consumption of 38 μA per MHz.
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