Said to be the first magnetoresistive random access memory (MRAM) device commercially available, Freescale's new four megabit (Mbit) MRAM product is now in volume production and available from the chipmaker. The 4-Mbit MRAM product is a fast, non-volatile memory with unlimited endurance - a combination of characteristics not available in any other individual semiconductor memory product.
MRAM uses magnetic materials combined with conventional silicon circuitry to deliver the speed of SRAM with the non-volatility of Flash in a single, high endurance device. According to the company, the successful commercialisation of this technology could hasten new classes of electronic products offering dramatic advances in size, cost, power consumption and system performance.
Freescale's first commercial MRAM product, called the MR2A16A, is a commercial temperature range, 3,3 V device featuring 35 ns read and write cycle times. It is an asynchronous memory organised as 256 K words by 16 bits. An industry standard SRAM pinout arrangement allows for system design flexibility without bus contention.
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