Random access memory device with dual charging circuits differen

Details Random access memory device with dual charging circuits differen Random access memory device with dual charging circuits differen

1991-03-25

1992-10-20

Clawson, Jr., Joseph E.

Static information storage and retrieval

Read/write circuit

Precharge

365202, 365208, 36518906, G11C 700

Patent

active

051576317

ABSTRACT:
For decreasing current consumption, a random access memory device comprises a plurality of static memory cells arranged in matrix, a plurality of digit line pairs respectively coupled to the columns of the memory cells for propagating data bits to a column selector unit, and a set of high-impedance and low-impedance current charging circuits coupled to each of the bit line pairs, in which the low-impedance current charging circuit supplies current to one of the bit line pairs selected by the column selector unit and the other non-selected bit line pairs are supplied from the associated high-impedance current charging circuits.

REFERENCES:
patent: 4852064 (1989-07-01), Kim et al.
patent: 5236492 (1991-07-01), Runaldue

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