The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 1993
Filed:
Mar. 31, 1992
Dale K Elbert, Kelsey, CA (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
A nonvolatile memory card is described. The nonvolatile memory card includes a plurality of memories arranged in an array. Each of the plurality memories includes memory cells that are electrically programmable and electrically erasable. Each of the plurality of memories requires a device power supply voltage and a reprogramming voltage. The memory card also includes the device power supply input for receiving a power supply voltage for the memory card, and voltage conversion means coupled to receive the device power supply voltage at the power supply input for providing the device power supply voltage to the plurality of memories and for generating the reprogramming voltage for erasing and programming the plurality of memories. The voltage conversion means further includes (1) a charge pump coupled to the power supply input for generating the reprogramming voltage for erasing and programming the plurality of memories, and (2) a control logic coupled to the charge pump for allowing the charge pump to generate the reprogramming voltage. The control logic causes the charge pump not to generate the reprogramming voltage when the memory card does not require a reprogramming operation in order to protect data integrity of the memory card. When the memory card requires a reprogramming operation, the control logic causes the charge pump to generate the reprogramming voltage.