Multiple bank memory with over-the-array conductors programmable

Details Multiple bank memory with over-the-array conductors programmable Multiple bank memory with over-the-array conductors programmable

1997-12-24

1999-04-20

Nguyen, Tan T.

Static information storage and retrieval

Format or disposition of elements

365 63, G11C 506

Patent

active

058963103

ABSTRACT:
A memory configuration (20) which includes a first and second bank (B0, B1). Both bank arrays comprises a plurality of wordlines (WLs) and bitlines (BLs). The memory configuration further includes a plurality of column decoder circuits (CDEC0-CDEC7), and a plurality of y-select conductors (C0-C15) generally parallel to the plurality of bitlines of the first bank array. Each of the plurality of y-select conductors is operable to be selected by one of the plurality of column decoder circuits in response to a column address. The memory configuration further includes a plurality of column factor conductors (F0.sub.I, F1.sub.I, F2.sub.I) formed in a direct periphery area existing between the first and second bank arrays. Still further, the memory configuration includes a power conductor (PDD.sub.I) formed between the first and second bank arrays, and aligned generally parallel to the plurality of wordlines of the first and second bank arrays. Lastly, the memory configuration includes a plurality of programmable conductors (PC0-PC7) disposed between and generally parallel to the plurality of y-select conductors. The programmable conductors are formed such that a first portion of each of the plurality of programmable conductors overlies the first bank array and a second portion of each of the plurality of programmable conductors extends toward the direct periphery. Each of the plurality of programmable conductors may be selected for connecting to a corresponding one of the plurality of column factor conductors or to the power conductor.

REFERENCES:
patent: 5619472 (1997-04-01), Okamura
patent: 5627792 (1997-05-01), Tsujimoto
patent: 5808930 (1998-09-01), Wadd et al.

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