True Random Number Generator - Analog Noise Source

​​​The True Random Number Generator (TRNG) Analog Noise Source is a physical entropy source compliant with the AIS 31 standard.



​AIS 31 compliant
Fully integrated
Robust architecture
Analog-based source​
Low power consumption


Robust, fully-integrated, state-of-the-art physical entropy source
Differential jitter extraction through a PLL-based fully symmetric architecture
Stochastic model of the entropy source for AIS 31 certification
Asynchronous random clock signal output
Random stream synchronization through an external sampling clock
Typical characteristics of a 55 nm implementation:

  • compliant with the AIS 31 standard (Method A, Procedure A) up to 100 kbit/s
  • with optional digital post-processing: fully compliant with the AIS 31 (Method A & B)
    and NIST SP 800-90B standards up to 100 kbit/s
  • startup time shorter than 80 µs
  • power-supply voltage range: 1.2 V ±10%
  • operating current smaller than 40 µA
  • standby current lower than 1 µA
  • operating junction temperature range: -40°C to 125°C
  • silicon area smaller than 0.02 mm²

Silicon proven in 130 nm, 110 nm, 65 nm and 55 nm CMOS processes
Digital post-processing available separately


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