"The increasing demand for performance-intensive handheld devices and rising time-to-market pressures heightens the need for design turnkey providers to endow ASIC customers with more predictable and robust SoC solutions. With True Circuits' PLL and DLL at TSMC 55nm, we were able to achieve low jitter for DDR 800Mbps and enter into mass production with very stable yield."

Yao Lee
Strategic Marketing Manager
Alchip Technologies



The Verilog model is very close but not perfect.

  • In steady state, the Verilog model does not model any jitter that might be present in the real PLL.
  • During startup, the Verilog model will achieve lock much more quickly than the actual PLL....
  • ...


31 May 19 True Circuits Demonstrates Silicon Proven DDR 4/3 PHY at DAC

22 May 19 Response to DeepChip.com article on the demise of analog PLLs, by John Maneatis

20 Jun 18 True Circuits Attends Design Automation Conference

15 May 18 True Circuits Provides Low Power PLL Technology to SiFlower in China

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