Fusebox及其interface在Tessent MemoryBIST修复方案中的作用

The Roles of Fusebox and its Interface as Part of Tessent Memory BIST Repair Solution

We have multiple inquires about Tessent Memory BIST to understand the Built-in-Self-Repair (BISR) architecture, specifically in regards to the fuse box and how it interfaces with the repair IP.

The fuse box is typically provided by a vendor or in-house, and holds repair information of memories of the device. Upon device power up, repair information from the fuse box is shifted along the BISR chain to the memories.

Since several vendors provide fuse boxes with varying protocols that are not common to each other, a fuse box interface would serve to describe the read and write protocols. Depending on the technology,

Siemens EDA can provide this interface. Properties pertaining to the fuse box, such as the word size, maximum numbe