Static information storage and retrieval – Systems using particular element – Semiconductive
Patent
1992-09-28
1994-03-22
LaRoche, Eugene R.
Static information storage and retrieval
Systems using particular element
Semiconductive
36518901, 365210, G11C 700
Patent
active
052970795
ABSTRACT:
A memory devices having NAND type cells as storage elements is disclosed. The amplifier prevents the error from occurring and improves the sensing speed by getting the column line and the reference line approximately the same current level for a while, after the equalizing signal was just turned into row level, in order that the potentials of the column line and the reference line normally come out without time delay. And, the sensing amplifier comprises a reference cell string selecting part 203 connected to a reference line and to selection lines 1 to N, a reference cell part 204 connected to row lines 1 to N and to the reference cell string selecting part 203, a column dummy cell part 205 connected to a column line and to dummy lines 1 and 2, a reference dummy cell part 206 connected to the reference line and to the dummy lines 1 and 2.
REFERENCES:
patent: 4223394 (1980-03-01), Pathak et al.
patent: 4633443 (1986-12-01), Childers
patent: 4641284 (1987-02-01), Suzuki
patent: 5091888 (1992-02-01), Akaogi
patent: 5218570 (1993-06-01), Pascucci et al.
Hyundai Electronics Industries Co,. Ltd.
LaRoche Eugene R.
Nguyen Tan
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