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PermSRAM (TM) is a versatile nonvolatile memory macro available on foundry standard CMOS platform covering process node of 180nm to 28nm and beyond.


  • one-time programmable ROM and pseudo multi-time PROM incorporated with multi- page configuration,
  • wide memory size of 64bit to 512Kbit,
  • non-rewritable hardware safety lock for security code storage.
  • Applications

  • Security Code Storage
  • Program Storage
  • Analog Trimming
  • Gamma Correction
  • Memory Repair
  • Feature Selection
  • Patch Code
  • Features

    • Smallest Si area
    • Tamper-resident by invisible charge trap memory mechanism
    • Non-rewritable hardware safety lock
    • No charge pump required in read operation
    • Built-in-self-test circuit supports stress-free test environments.
    • All bits fully testable with conventional test equipments
    • Automotive grade data retention over 150 deg C.

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