National Clock Design Tool 1.2.4 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free program is National Semiconductor.
The most popular versions among the program users are 1.3 and 1.2. The software lies within System Utilities, more precisely System Optimization. Guincdt.exe is the most common filename for this program's installer. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
National Clock Design Tool software is used to aid part selection, loop filter design, and simulation of timing device solutions.
Enter desired output frequencies and optionally a reference frequency and the tool provides: National devices meet the specified requirements, divider values, and recommended loop filter to minimize jitter.
You may want to check out more software, such as Vector Clock Designer, CCTV Design Tool or Xilinx Design Tools ISE WebPACK, which might be related to National Clock Design Tool.
Strategy
Simulation