A Low-Power 1Kb PCRAM Chip with Elevated Write Performance

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Abstract:

A low-power 1Kb phase change random access memory (PCRAM) chip is designed. The chip uses 1T1R (one transistor one resistor) structure and titanium nitride (TiN) bottom electrode (BE) for reducing power consumption. Besides, the write property of the chip is improved by employing a ramp down pulse generator. The chip is fabricated in 130nm CMOS standard technology. The test result shows a 56% power reduction based on TiN BE compared with tungsten (W) BE, which predicts a new direction to realize the commercialization of PCRAM.

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463-466

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March 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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