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The 2002 IEEE International Workshop on Memory Technology, Design and Testing (MTDT 2002)
Decreasing EEPROM Programming Bias With Negative Voltage, Reliability Impact
Isle of Bendor, France
July 10-July 12
ISBN: 0-7695-1617-3
R. Laffont, L2MP/Polytech-UMR CNRS and ST-Microelectronics
J. Razafindramora, L2MP/Polytech-UMR CNRS
P. Canet, L2MP/Polytech-UMR CNRS
R. Bouchakour, L2MP/Polytech-UMR CNRS
J. M. Mirabel, ST-Microelectronics
This paper presents a study of EEPROM cell programming in order to decrease the bias polarization of the memory cell. Simulations show that it is possible to erase and write a cell with a divide up polarization, with positive and negative pulses. Measurements on a memory cell confirm these statements. Moreover simulations of the electrical field through the tunnel oxide didn?t show any change of the maximum value, that means there is no impact on cells reliability. Endurance tests were performed on several memory cells with divide up polarizations. They show the same results as classical programming
Citation:
R. Laffont, J. Razafindramora, P. Canet, R. Bouchakour, J. M. Mirabel, "Decreasing EEPROM Programming Bias With Negative Voltage, Reliability Impact," mtdt, pp.168, The 2002 IEEE International Workshop on Memory Technology, Design and Testing (MTDT 2002), 2002
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