PermSRAM is a highly versatile nonvolatile memory macro that operates on foundry standard CMOS platforms, covering process nodes from 180nm to 22nm and beyond. This memory solution offers a variety of configurations, including one-time programmable ROM and pseudo multi-time PROM with a multi-page format. It features a significant range of memory sizes from 64 bits to 512 Kbits and includes a non-rewritable hardware safety lock, enhancing security for critical data storage. PermSRAM is designed to be a secure and reliable solution with a proven record of stable yields.
The technology is ideal for applications such as security code storage, program storage, and analog trimming. Its configuration allows for tamper-resistant storage using an invisible charge-trap mechanism, ensuring data security. Unlike traditional memory solutions, PermSRAM eliminates the need for a charge pump during read operations, reducing complexity and enhancing reliability. The built-in self-test circuits simplify the testing process, supporting ease of use across different applications.
PermSRAM is also distinguished by its compact silicon area requirements, significantly smaller compared to conventional e-Fuse solutions. The memory's small footprint and high level of security make it an attractive option for applications that require efficient yet secure memory functionality, including automotive-grade environments where data retention is crucial.
