It is a step towards a new breed of computer chips that couple memory with information processing. Such chips retain data when computer is turned off, eliminating the time-consuming process of booting up information from hard drive to processor. If we can make semiconductor based magnetic memories when we turn on computer it would be like a TV set-all information will be there with no need for reloading the operating system. All spintronic computers eliminate the need for parallel processing. Computing could be accelerated and customized with r ....etc

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Ferroelectric Random Access Memory
Abstract
Ferroelectric Random Access Memory Before the 1950 s, ferromagnetic cores were the only type of random-access, nonvolatile memories available. A core memory is a regular array of tiny magnetic cores that can be magnetized in one of two opposite directions, making it possible to store binary data in the form of a magnetic field. The success of the core memory was due to a simple architecture that resulted in a relatively dense array of cells. This approach was emulated in the semiconductor m ....etc

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Random access memory (RAM) is the best known form of computer memory. RAM is considered random access because you can access any memory cell directly if you know the row and column that intersect at that cell.

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Resistive random-access memory (RRAM) is a new non-volatile memory type . Basic idea is that a dielectric, which is normally insulating can be made to conduct through a filament or conduction path formed after application of a sufficiently high voltage. The conduction path formation can arise from different mechanisms, including defects, metal migration, etc. Once the filament is formed, it may be reset (broken, resulting in high resistance) or set (re-formed, resulting in lower resistance) by an appropriately applied voltage. Different forms o ....etc

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Magnetic Random Access Memories (M-RAM) : A truly universal memory


Introduction
Recent developments in the physics of spin electronics (see Inset) have enabled the
emergence of a new class of non-volatile memories, Magnetic Random Access Memories
(MRAM). MRAM combine on paper all the virtues of current silicon-based memories: speed,
density, non-volatility, low power consumption, radiation hardness and endurance (see Table
1). The first target for MRAM is replacement of Flash ....etc

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Magnetic Random Access Memory

MRAM is a nonvolatile random access memory which uses magnetic storage and magnetoresistance (MR) to read the stored data. Magnetoresistive material is a resistor made of common ferromagnetic material which will change in resistance in the presence of a magnetic field. The magnetoresistive property gives a small but sufficient signal to distinguish between a 1 and 0. MRAM results from combining MR storage elements with standard semiconductor fabrication processes. The magnetic devices a ....etc

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To get more information about the topic random access memory please refer the page link below

http://seminarsprojects.net/Thread-magnetic-ram-full-report?page=2
http://seminarsprojects.net/Thread-nano-ram-seminars-presentation

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Dynamic random-access memory (DRAM) is a type of random-access memory that stores each bit of data in a separate capacitor within an integrated circuit. The capacitor can be either charged or discharged .these two states are taken to represent the two values of a bit, conventionally called 0 and 1. Since capacitors leak charge, the information eventually fades unless the capacitor charge is refreshed periodically.The advantage of DRAM is its structural simplicity. only one transistor and a capacitor are required per bit, compared to six transis ....etc

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