NDLI: Modeling and analysis of biological cells in DRAM implementation

Content Provider	IEEE Xplore Digital Library
Author	Fan, J. Guofen Yu Jichang Tan Tan, S.X.-D.
Copyright Year	2007
Description	Author affiliation: Florida Int. Univ., Miami (Fan, J.)
Abstract	In this paper, we propose a novel technique in modeling and analysis of biological cells to implement DRAM storage elements in the post-CMOS era. The motivation is based on the known characteristics of biological cells. By applying an electric pulse with a fixed duration, we may calculate the voltage across the cytoplasmic membrane, also called a cell membrane or plasma membrane, and the nuclear membrane within biological cells. The induced voltage across the membranes may function like a capacitor does in a DRAM storage element. The electron charge accumulated on a membrane is also leaky, similar to the traditional DRAM. The electron charge and discharge time constants for cytoplasmic and nuclear membranes can be fine-tuned through careful selection of different sizes and types of biological cells. Experimental results by simulation show that about 75 percents (75%) of the applied voltage is distributed across the cytoplasmic membrane. Hence, cytoplasmic membrane is more suitable in the application of DRAM implementation. This means that when applying 0.9 V - 1 V of voltage across a biological cell, roughly 0.7 V - 0.75 V of the voltage is induced across the cytoplasmic membrane. The electron charge and discharge time can be achieved within 100 ns for certain size and type of biological cells. The required DRAM refresh frequency is therefore approximately 10 MHz for such biological cells.
Starting Page	90
Ending Page	93
File Size	171294
Page Count	4
File Format	PDF
ISBN	9781424415670
DOI	10.1109/BMAS.2007.4437531
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biological system modeling Biological cells Random access memory Biomembranes Voltage Electrons Cells (biology) Plasma properties Capacitors Frequency
Content Type	Text
Resource Type	Article

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