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A compact model for Phase Change Memories

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6 Author(s)
P. Fantini ; STMicroelectronics, via Olivetti 2, 20041 Agrate Brianza, Italy. ; A. Benvenuti ; A. Pirovano ; F. Pellizzer
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In this paper we present the first inherently single-piece model describing the phase change memories (PCM) electrical behavior. The model correctly reproduces for all bias and temperature conditions the behavior of both SET and RESET states, including the exponential pre-switching regime and the S-shaped negative differential resistance region. The model responds with resistance changes to different programming (SET or RESET) pulses, and retains the stored data. The proposed model provides a precious tool for the design of non-volatile memory products based on the new phase change memory concept

Published in:

2006 International Conference on Simulation of Semiconductor Processes and Devices

Date of Conference:

6-8 Sept. 2006