Sense amplifier circuit to write data at high speed in high...

Details Sense amplifier circuit to write data at high speed in high... Sense amplifier circuit to write data at high speed in high...

2006-07-18

2006-07-18

Hoang, Huan (Department: 2827)

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

C365S207000, C365S189050, C327S051000

Reexamination Certificate

active

07079435

ABSTRACT:
A sense amplifier includes: a bit line and a complementary bit line; a data input/output line and a complementary data input/output line; first and second transistors which are connected in series between the data input/output line and the bit line; and third and fourth transistors which are connected in series between the complementary data input/output line and the complementary bit line, where the gate of the first transistor is connected to the complementary data input/output line, the gate of the third transistor is connected to the data input/output line, and a write column select line enable signal is input to the gates of the second and fourth transistors. Since the sense amplifier can write data before data of adjacent bit line pairs are amplified in a semiconductor memory device, the write timing can be reduced.

REFERENCES:
patent: 5691950 (1997-11-01), McClure
patent: 6118717 (2000-09-01), Brady
patent: 2003/0021173 (2003-01-01), Lee et al.
patent: 9-251780 (1997-11-01), None
patent: 10-0179099 (1998-11-01), None

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