Method and apparatus for compensating for subthreshold current i

Details Method and apparatus for compensating for subthreshold current i Method and apparatus for compensating for subthreshold current i

1995-03-14

1996-05-14

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Precharge

36518911, 365190, 365204, G11C 700

Patent

active

055174523

ABSTRACT:
A discharging circuit for bit lines for compensating for the effect of subthreshold leakage in pull-up transistors. The bit lines are periodically discharged to a level approximately equal to the level that the bit lines would be at if no leakage occurred. In this way, the discharging can occur even during an active memory cycle. The discharging occurs infrequently, for example, once every 512 memory cycles.

REFERENCES:
patent: 4905197 (1990-02-01), Urai
patent: 5200924 (1993-04-01), Wong
patent: 5412606 (1995-05-01), Lee
patent: 5416742 (1995-05-01), Takada

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