Patent ID: 7609578

Claim:
A one-time programmable memory cell, comprising: a storage element having a first upper input, a second upper input opposite the first upper input, a first lower input, a second lower input opposite the first lower input, a first output, and a second output opposite the first output; a first fuse coupled to the first upper input, wherein the first fuse, when programmed, acts as a pull-up device on the first output; a second fuse coupled to the second upper input, wherein the second fuse, when programmed, acts as a pull-up device on the second output; a third fuse coupled to the first lower input, wherein the third fuse, when programmed, acts a pull-down device on the first output; and a fourth fuse coupled to the second lower input, wherein the fourth fuse, when programmed, acts a pull-down device on the second output.