Electrically programmable fuse bit

Details Electrically programmable fuse bit Electrically programmable fuse bit

2011-03-15

2011-03-15

Mai, Son L (Department: 2827)

Static information storage and retrieval

Read/write circuit

Having fuse element

C365S096000, C365S104000, C327S525000

Reexamination Certificate

active

07907465

ABSTRACT:
One-time programmable (OTP) nonvolatile fuse memory cells are disclosed that do not require decoding or addressing for reading their data content. Each fuse memory cell has its content latched at its output and available at all times and can be used, for example, for code storage memories, serial configuration memories, and as individual fuse bits for ID (identification), trimming, and other post-fabrication System-on-Chip (SoC) customization needs. Means are also provided for temporary data storage for design testing, etc. In alternative embodiments, using two differentially programmed fuses in a single memory cell, the selection and programming circuitry are merged.

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