Current sensing amplifier with feedback

Details Current sensing amplifier with feedback Current sensing amplifier with feedback

1997-12-08

2000-04-25

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 51, 327170, G11C 706, H03K 512

Patent

active

060548797

ABSTRACT:
A sense amplifier that includes a sensing circuit, a first feedback circuit, and an output buffer. The first feedback circuit is coupled to an output of the sensing circuit and is configured in a feedback arrangement with the output buffer. The output of the sensing circuit provides an output signal having a first slew rate as the output signal transitions from a first logic state to a second logic state. The first feedback circuit may increase the slew rate of the output signal. The sense amplifier may also include a second feedback circuit coupled to the output of the sensing circuit and configured in a feedback arrangement with the output buffer. The second feedback circuit may increase a second slew rate of the output signal as the output signal transitions from the second logic state to the first logic state. The sense amplifier may be a current sense amplifier that may be used to sense the amount of current flowing through a nonvolatile memory circuit.

REFERENCES:
patent: 5148482 (1992-09-01), Bocci et al.
patent: 5189322 (1993-02-01), Chan et al.
patent: 5495191 (1996-02-01), Lev et al.
patent: 5525917 (1996-06-01), Wong et al.
patent: 5546026 (1996-08-01), Lin et al.

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