Static information storage and retrieval – Read/write circuit – Differential sensing
Patent
1981-11-02
1984-02-28
Fears, Terrell W.
Static information storage and retrieval
Read/write circuit
Differential sensing
365203, 365218, G11C 1140
Patent
active
044344791
ABSTRACT:
A sensing system for a nonvolatile memory transistor array employs reference transistors which are substantially identical to the memory transistors within the array and employs means to program the threshold voltage levels of the reference transistors to a lower level than that of the memory transistors within the array such that the changes in the electrical characteristics of both the memory and the reference transistors are proportional over time, the system thereby being rendered self-tracking.
REFERENCES:
patent: 4376987 (1983-03-01), Hsia
Chen Yung J.
Mei Eden Y. C.
Cone Gregory A.
Fears Terrell W.
Finch George W.
McDonnell Douglas Corporation
Royer Donald L.
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