Non-volatile programmable read only memory device having write-i

Details Non-volatile programmable read only memory device having write-i Non-volatile programmable read only memory device having write-i

1991-05-24

1994-07-19

Callahan, Timothy P.

Static information storage and retrieval

Addressing

Plural blocks or banks

36518902, 365194, G11C 800

Patent

active

053316002

ABSTRACT:
An electrically programmable read only memory device is equipped with a plurality of write-in circuits for concurrently writing a plurality of data bits into memory cells, wherein a write-in controlling unit sequentially produces a plurality of write-in controlling signals supplied to a transfer gate groups for sequentially transferring the data bits to column selectors associate with memory cell blocks so that the peak current in the write-in operation is not increased together with the number of the data bits concurrently written into the memory cells.

REFERENCES:
patent: 4680738 (1987-07-01), Tam
patent: 4763302 (1988-08-01), Yamada
patent: 4841488 (1989-06-01), Sanada
patent: 4849937 (1989-07-01), Yoshimoto
patent: 5027326 (1991-06-01), Jones
patent: 5040149 (1991-08-01), Ebihara et al.
patent: 5121360 (1992-06-01), West et al.

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