16-Mbit, 64-Mbit rad-hard MRAMs are pushed by Aeroflex

Published:2012/7/9 2:23:00 Author:Ecco From:SeekIC

Aeroflex Inc. has pushed a kind of three magnetoresistive random access memory (MRAM) components made using a manufacturing license from Everspin Technologies Inc. (Chandler, Ariz.). Aeroflex Inc. is a company to provide electronic components for military and aerospace applications.

MRAM technology provides a combination of fast access time, non-volatility, data retention and endurance. The parts are architected as non-volatile replacements for SRAM components. The UT8MR2M8 is a 16-Mbit MRAM with a 40-lead flatpack package. The UT8MR8M8 is a 64-Mbit multichip module which is available in a 64-lead flatpack package. Everspin's largest monolithic memory is a 16-Mbit device but it looks like Aeroflex is taking four die and wiring them up in a single package to create the 64-Mbit device.

As a replacement for 3.3-V SRAMs, the MRAMs are 8-bit parallel I/O solutions with data retention after each write of 20 years. The 3V MRAMs have guaranteed operation from -40 to +105 degees C, 100-krads (Si) and are SEL immune to more than 100 MeV-cm2.

The UT8MR8M8's prototypes are available now with volume production scheduled to start in 2Q13; the samplers of UT8MR2M8 are available now with production due in one year’s time in 3Q13.

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