Semiconductor device

Details Semiconductor device Semiconductor device

1998-12-15

2000-05-09

Zarabian, A.

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

365208, G11C 700

Patent

active

060612886

ABSTRACT:
There is described a semiconductor device including a memory block which has a plurality of sense amplifier columns and a plurality of memory cells capable of establishing continuity with one of the plurality of sense amplifier columns. The semiconductor device enables simultaneous designation of row and column addresses. Sense amplifier columns and memory arrays are arranged such that the sense amplifier columns alternate with the memory arrays. By designation of a row address, memory cells pertaining to a relevant column are connected to the sense amplifier column, and the thus-connected sense amplifier column is activated. Data line connection transistors are provided between a sense amplifier and a pair of data lines. Further, the sense amplifier column is provided with an AND circuit which receives a column selection signal produced through designation of the column address and an activation signal SON used for activating the sense amplifier. A signal output from the AND circuit is supplied to the data line connection transistors by way of a sub-column selection line.

REFERENCES:
patent: 4868823 (1989-09-01), White
patent: 5270977 (1993-12-01), Iwamoto
patent: 5539700 (1996-07-01), Kawahara

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