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YAML in Semiconductor EDA: From Configuration Language to Reusable Design-Flow Methodology

Hello Dear Readers,   Today in this post, I will provide some deep insight about yaml langauge for CAD flow developments with detailed examples. YAML is not a programming language in the same sense as Python, Tcl, C++, or Verilog. It is primarily a human-readable data serialization/configuration language . In semiconductor EDA, that distinction is important because YAML generally describes what a flow should do , while Python/Tcl/Shell and the EDA tools execute the flow . The official YAML specification describes it as a data serialization language designed to be human-friendly and portable across programming languages. For the semiconductor angle, this becomes particularly interesting because YAML can act as a configuration layer between design methodology and EDA implementation . Frameworks such as Hammer explicitly use YAML/JSON configuration and an intermediate representation to standardize information exchanged between design, technology, and tool plugins. 1. Introduction M...
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Static Timing Analysis Practice Questions

 Hello Dear Readers, 

Today I have designed this page for doing exercises regarding STA-related Questions.

Q-1:

The circuit in Fig. 1. is the internal layout of a custom-built chip. The tpd for each gate is listed below it. The delays for the register are all the same and listed in the lower right corner. What is the Maximum Clock Frequency of the below gate-level netlist?

Fig. 1






Solution:






Q-2:

For each of the following circuits: 
 (i). Calculate the worst-case pin-to-pin combinational delay, clock-to-output delay, and register-to-register delay. 
   (ii). Use this data to find the maximum clock frequency. 
  (iii). Calculate tsu and thd for the external inputs.
Fig. 2

Fig. 3

Q-3: Are Setup and Hold times of the flip-flop is intrinsic parameters or design parameters.

Q-4: Setup and Hold times of the flip-flop are controllable or not, explain your answer.

Here I will upload more as I will come across any good questions. Thanks for reading 


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Comments

  1. Anonymous30 November 2021 at 20:37

    Incredible your posts but if you will provide answer then it will be helpful. Please keep it up

    ReplyDelete
  2. Anonymous30 November 2021 at 20:55

    Yes bro please upload answer also will be more beneficial for us. I hope you will consider it and work on it. Best wishes.

    ReplyDelete
  3. Anonymous30 November 2021 at 22:26

    Amazing posts you are always come with more excitements hope you will also coming with answers.

    ReplyDelete
  4. Anonymous16 December 2021 at 07:26

    Questions are so much good level but please provide solution also will be helpful to us.

    ReplyDelete

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