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Apparatus and method for programming a one-time programmable memory device

一种器件、元件的技术，应用在非易失性存储器器件领域，能够解决昂贵、消耗集成电路有价值的区域等问题

Inactive Publication Date: 2005-04-06
AGERE SYST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because of their large size, the fabrication of MOSFETs 16 and 18 in recent integrated circuit devices is more expensive than fabrication of smaller MOSFETs and also consumes valuable area on the integrated circuit

Method used

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  • Apparatus and method for programming a one-time programmable memory device
  • Apparatus and method for programming a one-time programmable memory device
  • Apparatus and method for programming a one-time programmable memory device

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Embodiment Construction

[0022] Before detailing a specific method and apparatus for programming a one-time programmable fuse according to the present invention, it should be noted that the present invention resides primarily in novel and non-obvious combinations of elements and method steps. Thus, the inventive features are represented by conventional elements and method steps in the drawings, which show only those specific details pertaining to the invention, so as not to obscure the disclosure with details which would be important to a reader herein Those skilled in the art can easily understand the disclosed specification.

[0023] A semiconductor switching element (also known as a silicon controlled rectifier, SCR) is a four-layer pnpn device with three or four terminals, an anode, a cathode, and one or two gates. A three-terminal semiconductor switching element 23 is schematically illustrated in FIG. 2A . When anode 24 (connected to anode terminal 24A) is held positive relative to cathode 25 (h...

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PUM

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Abstract

A method and apparatus for opening a fuse formed on a semiconductor substrate. The apparatus comprises a thyristor formed from CMOS device regions and having a one or two control terminals for permitting current to flow through the thyristor into the fuse, for opening the fuse.

Description

technical field [0001] The present invention relates generally to integrated circuit memory devices, and more particularly to methods and apparatus for programming one-time programmable non-volatile memory devices. Background technique [0002] The memory devices used to store digital data in today's computers, automobiles, cell phones and media cards are numerous. Some of these memory devices or storage elements include non-volatile memory that retains stored digital data when power is removed from the device. For example, non-volatile memory instructs the computer throughout the boot process and stores instructions and data in the cell phone for sending and receiving calls. All types of electronics, from microwave ovens to heavy industrial machines, store their operating instructions in these non-volatile memory elements. Certain nonvolatile memory devices offer a variety of programming capabilities, overwriting previously stored information with new data. Other nonvola...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L29/74G11C7/00G11C17/00G11C17/06G11C17/18H01L27/10
CPCG11C17/18G11C7/00G11C17/00G11C17/06
Inventor 拉恩伯·赛恩理查德·J·麦克帕特兰德罗斯·A·柯勒
Owner AGERE SYST INC
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