Tajas Their disadvantage, however, is lower area efficiency compared to other types. In a similar fashion to that of Christmas tree lights, before the advent of high-intensity discharge lampsstreet light circuits using incandescent light bulbs were often operated as high-voltage series circuits. Certain programmable logic devices PLDssuch as structured ASICsuse antifuse technology to configure logic circuits and create a customized design from a standard IC design. When the failed lamp was finally changed, a new piece of film was also installed, once again separating the electrical contacts in the cutout. It is therefore necessary to shift the manufacturing tolerances so that the antifhse typically made is equal to or larger than the desired value. With a poly-diffusion antifuse, the high current density creates heatwhich melts a thin insulating layer between polysilicon and diffusion electrodes, creating a permanent resistive silicon link.
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Mole The p-n junction that serves as such diode is overloaded with a current spike and overheated. Antifuses are widely used to permanently program integrated circuits ICs. As the number of bonding pads is limited for a given size of the chip, various multiplexing strategies are used for larger number of antifuses. They may be less susceptible to alpha particles which can cause circuits to malfunction. The antifuse is usually triggered using an approximately 5 mA current. Antifuses may be used in programmable read-only memory PROM.
ANTIFUSE PROGRAMMING FPGAS PDF
This process is experimental and the keywords may be updated as the learning algorithm improves. This is a preview of subscription content, log in to check access. Preview Unable to display preview. Download preview PDF. References [Ahrens] M. Ahrens, et.
Antifuse Programmed FPGAs