Charge pump circuit of nonvolatile semiconductor memory

Details Charge pump circuit of nonvolatile semiconductor memory Charge pump circuit of nonvolatile semiconductor memory

1997-05-15

1999-01-19

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With bootstrap circuit

327536, 327537, 307110, 363 59, 363 60, H03L 7089

Patent

active

058617728

ABSTRACT:
A charge pump circuit for generating an output voltage in response to a clock pulse is disclosed. The charge pump circuit has a switching node connected to a gate of a transistor which is connected between a high voltage output from a high voltage generator and the output voltage, a first path for providing a first coupling voltage to the switching node in response to the clock pulse and a second path for providing a second coupling voltage to the switching node in response to an inverse signal of the clock pulse. Each path includes a capacitor, where a capacitor in the first path has a coupling ratio greater than that of a capacitor of the second path.

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patent: 5467050 (1995-11-01), Clapp, III et al.
patent: 5473563 (1995-12-01), Suh et al.
patent: 5682348 (1997-10-01), Lin et al.

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