Patent ID: 6970394

Claim:
A programming method for an electrical fuse link, comprising the following steps: providing a core circuit applied with a first power voltage; providing a plurality of fuse cells, each fuse cell comprising: an electrical fuse element connected to a common node; and a driver device connected between the electrical fuse element and a ground node, the ground node having a ground voltage, the driver device having a control gate for controlling current through the electrical fuse element; determining whether the fuse cells are in program mode or in read mode; in response to determining that the fuse cells are in program mode, applying a second power voltage to the common node, wherein the second power voltage exceeds the first power voltage; applying a first control voltage to the control gate of a selected fuse cell; and applying a second control voltage to the control gate of an unselected fuse cell, wherein the second control voltage exceeds the ground voltage, wherein the second control voltage is lower than the first control voltage; and in response to determining that the fuse cells are in read mode, applying the first power voltage to the common node.