High voltage switching circuit of nonvolatile memory device

Details High voltage switching circuit of nonvolatile memory device High voltage switching circuit of nonvolatile memory device

2007-10-16

2007-10-16

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S080000, C326S092000, C327S536000, C327S537000

Reexamination Certificate

active

11299191

ABSTRACT:
A high-voltage switching circuit comprises: a high-voltage switch configured to transfer a high voltage; a pumping circuit configured to boost signals of first, second, and third nodes by conducting pumping operations in response to a plurality of clock signals; and a drive signal transmission circuit configured to boost the signal of the second node at a constant rate while maintaining a voltage level of the third node regardless of variation of a voltage level at the first node and transfer the boosted signal of the second node to the high-voltage switch, activating the high-voltage switch.

REFERENCES:
patent: 7157957 (2007-01-01), Kim
patent: 2006/0044042 (2006-03-01), Kim
patent: 11-134892 (1999-05-01), None
patent: 10-0281281 (2000-11-01), None
patent: 10-2006-0057960 (2006-05-01), None
patent: 10-2006-0101896 (2006-09-01), None

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