Memory cell with a Frohmann-Bentchkowsky EPROM memory transistor

Static information storage and retrieval – Floating gate

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Details

36518505, 36518518, G11C 1604

Patent

active

061186910

ABSTRACT:
The unintentional programming of a memory cell having a Frohmann-Bentchkowsky p-channel memory transistor and an n-channel MOS access transistor, which can occur during a read operation when high read voltages are used, is eliminated by forming a diode-connected MOS transistor in parallel with the access transistor. The diode-connected transistor is formed to be off when an unprogrammed memory transistor is read, and to be on when a programmed memory transistor is read.

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