Sense amplifier with feedback-controlled bitline access

Details Sense amplifier with feedback-controlled bitline access Sense amplifier with feedback-controlled bitline access

2005-05-17

2005-05-17

Nguyen, Long (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S054000, C327S057000

Reexamination Certificate

active

06894541

ABSTRACT:
A sense amplifier includes a feedback controlled bit line access scheme that feeds a sense amplifier output signal back to control operation of its associated bit line access transistor. This feedback may be implemented using a pair of inverter circuits each coupling a respective output signal to the control gate of the associated access transistor. Alternatively, the feedback may be implement using a logic gate which logically combines the sense amplifier output signals together to generate an output signal for controlling operation of both access transistors. The logic gate is preferably a NAND gate. The sense amplifier further includes a cross-connected feedback inversion circuit which inverts a sense amplifier output signal from a first latch inverter for application to a conducting line of a second latch inverter.

REFERENCES:
patent: 5552728 (1996-09-01), Lin
patent: 5615161 (1997-03-01), Mu
patent: 5796273 (1998-08-01), Jung et al.
patent: 5939903 (1999-08-01), Lin
patent: 6584026 (2003-06-01), Kawasumi
patent: 20020024851 (2002-02-01), Kawasumi

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