EEPROM utilizing single transistor per cell capable of both byte

Static information storage and retrieval – Read/write circuit – Erase

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365185, 365104, 357 235, 307465, G11C 1140

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049493094

ABSTRACT:
An array of floating gate transistors is connected so that some of the floating gate transistors within the array can be erased without affecting the state of other floating gate transistors within the array, or in the alternative, the entire array of floating gate transistors can be erased simultaneously.

REFERENCES:
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patent: 4408305 (1983-10-01), Kuo
patent: 4408306 (1983-10-01), Kuo
patent: 4412309 (1983-10-01), Kuo
patent: 4531203 (1985-07-01), Masuoka et al.
patent: 4698787 (1987-10-01), Mukherjee et al.
patent: 4752871 (1988-06-01), Sparks et al.
patent: 4803529 (1989-02-01), Masuoka
Samachisa et al., "A 128K Flash EEPROM Using Double-Polysilicon Technology", IEEE Journal of Solid-State Circuits, vol. SC-22, No. 5, Oct. 1987, pp. 676-683.
Mukherjee et al, "A single Transistor EEPROM Cell and Its Implementation in a 512K CMOS EEPROM", I.E.D.M., 1985, pp. 616-619.
Johnson et al., "A 16Kb Electrically Erasable Nonvolatile Memory", IEEE International Solid-State Circuits Conference, 1980, pp. 152-153.

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