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Maxim’s Security Reference Design Enables Licensing Control and Secure Feature-Set Upgrades for Spartan-6 FPGA-Based Designs

SUNNYVALE, Calif. April 26, 2012 reference design DS28E01-100

Operating over a single pin, the built-in challenge-and-response SHA-1 authentication scheme in the DS28E01-100 prevents unauthorized product builds and safeguards FPGA IP. The reference design allows manufacturers to remotely turn on fee-based software-controlled feature upgrades, without physically altering the installed hardware. The security scheme requires secret keys to be loaded in the FPGA and the 1-Wire secure memory. Maxim’s reference core seamlessly overlays on the Spartan-6 device; utilizes less than 5% of the logic cell resources and eases the loading of secret keys into the FPGA. Maxim can also preprogram* the DS28E01-100 with customer-specified keys prior to delivery.

Anti-Counterfeiting, Brand Protection and Authentication Solutions Needed:

  • Device manufacturers lose billions of dollars per year to "gray market" piracy.
  • US$5.5 billion US$512 billion


Availability and Pricing:

  • The reference security scheme (Xilinx XAPP780) for the Spartan-6 family is evaluation ready.
  • The DS28E01-100 reads and writes over a 2.8V to 5.25V voltage range and operates at -40 degrees C to +85 degrees C. 
  • $0.84 USA

here here

About Maxim Integrated Products
$2.5 billion



Ferda Millan

(408) 470-5581

[email protected]

SOURCE Maxim Integrated Products, Inc.

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