Short circuit detector circuit for memory arrays

Details Short circuit detector circuit for memory arrays Short circuit detector circuit for memory arrays

1990-04-10

1993-01-19

Beausoliel, Jr., Robert W.

Excavating

365201, 324522, G11C 1140, G11C 2900

Patent

active

051812053

ABSTRACT:
A method for detecting voltage supply short circuits in integrated circuits and a circuit for implementing that method is disclosed. Entire rows of memory cells in an SRAM are coupled to a single sense line. The sense line to each row is activated individually. The sense lines are in turn coupled to a current sensing circuit. If a short exists on any memory cell in a given row, the current sensing circuit generates a low output, indicating a short circuit.

REFERENCES:
patent: 4048575 (1977-09-01), Musa
patent: 4284957 (1981-08-01), Haque
patent: 4685086 (1987-08-01), Tran
patent: 4720818 (1988-01-01), Takeguchi
patent: 4728898 (1988-03-01), Staley, Jr.
patent: 4905194 (1990-02-01), Ohtsuka et al.
patent: 4969124 (1990-11-01), Luich et al.

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