Secure Clock Generator

​The Secure Clock Generator is a fully integrated mixed-signal IP
securing the clocked system against side-channel attacks.

Key Features

​Fully integrated
Programmable range
Accurate​ frequency
On-the-fly modulation
Optional jitter


  • fully integrated secure clock generator
  • programmable frequency range (customized on request)
  • frequency accuracy better than ±10% through trimming process
  • frequency monitor protecting against fault injection attacks
  • jittered clock option protecting against side-channel attacks
  • secondary clock signal generated by on-the-fly period masking
  • robust power-up, power-down and standby sequences avoiding clock glitches
  • operating junction temperature range: -40°C to 125°C
  • characteristics of a 55 nm CMOS implementation:
    • power supply voltage range: 1.2 V ±10%
    • typical wake-up time shorter than 20 µs
    • typical operating current consumption lower than 120 µA at 120 MHz
    • silicon area smaller than 0.045 mm²
  • proven track record through mass production in 130 nm and 55 nm CMOS processes
  • silicon proven in 130 nm, 65 nm and 55 nm CMOS processes


  • GDSII stream and layer map file
  • Library Exchange Format (LEF) file
  • Circuit Description Language (CDL) netlist
  • Liberty Timing File (.lib)
  • VHDL behavioral model
  • design specification

Please contact for any further information.