Experimental Study of Data Retention in Nitride Memories by Temperature and Field Acceleration

We present a detailed investigation of data retention in nitride memories by means of temperature- and field-accelerated experiments. Using cell array stress test (CAST) structures, we show that a very different retention time is extracted from high-temperature and field extrapolations, revealing a...

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Veröffentlicht in:IEEE electron device letters 2007-07, Vol.28 (7), p.628-630
Hauptverfasser: Compagnoni, C.M., Spinelli, A.S., Lacaita, A.L.
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container_title IEEE electron device letters
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creator Compagnoni, C.M.
Spinelli, A.S.
Lacaita, A.L.
description We present a detailed investigation of data retention in nitride memories by means of temperature- and field-accelerated experiments. Using cell array stress test (CAST) structures, we show that a very different retention time is extracted from high-temperature and field extrapolations, revealing a change in the dominant charge-loss mechanism when the temperature is reduced to the room value. Finally, the dependence of data retention on electrical stress is studied on the arrays, showing that only a small reduction of the extrapolated retention time appears when increasing the stress dose, with no anomalous cell behaviors.
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subjects Acceleration
Applied sciences
Arrays
Data mining
Data retention
Design. Technologies. Operation analysis. Testing
Devices
Electronics
Exact sciences and technology
Extrapolation
Integrated circuits
Integrated circuits by function (including memories and processors)
Leakage current
nitride memories
Nitrides
nonvolatile memories
Nonvolatile memory
Reduction
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Senior members
Stress
stress-induced leakage current (SILC)
Stresses
Temperature
Testing
Testing, measurement, noise and reliability
Tunneling
title Experimental Study of Data Retention in Nitride Memories by Temperature and Field Acceleration
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