Refresh method of reusing electric charge

Details Refresh method of reusing electric charge Refresh method of reusing electric charge

1996-01-16

1997-03-04

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Data refresh

36523003, 365190, 365204, 365236, 36523004, G11C 700

Patent

active

056086830

ABSTRACT:
A refresh method of reusing electric charges from a refresh operation of a first memory array for pre-charging in an initial refresh operation of a second memory array in which charges that are charged/discharged to a bit line and its complementary bit line of one memory array via switching units provided between the one memory array and another memory array when performing a refresh operation in the one memory array are also used for performing an initial refresh operation of the other memory array, thereby reducing back-up currents by reducing refresh currents, and prolonging the life of dry cells or batteries for hours.

REFERENCES:
patent: 4570242 (1986-02-01), Nagami
patent: 5270971 (1993-12-01), Muraoka et al.

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