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Recent content by Siong Hui

  1. S

    [Verilog HDL] Verilog code for 8-bit ALU with clock gating technique?

    Hi, thank you for your reply. Actually, I already do some research about this, but I still don't know how to write the coding. So, thank you again for your guidance.
  2. S

    [Verilog HDL] Verilog code for 8-bit ALU with clock gating technique?

    Good days. Can someone guide me on how to write Verilog code for 8-bit ALU with clock gating technique?
  3. S

    [Mentor Graphics] Printing Phyisical Layout with White Background?

    Hi, can someone teach me how I can print the physical layout with white background? If I crop the physical layout, the background should be black in colour. So, I want white background instead of a black background.
  4. S

    [SOLVED] [Mentor Graphics] Simulation of 8-bit ALU CMOS to get the waveform?

    There are several options that can change, but I don't know how to modify the options. I put the options in picture below. For the alternative method, I already change the 2-bit ALU CMOS to the block and simulate it, but the simulation also failed. I also attached the picture of the 2-bit ALU...
  5. S

    [SOLVED] [Mentor Graphics] Simulation of 8-bit ALU CMOS to get the waveform?

    Noted, I will look into it.
  6. S

    [SOLVED] [Mentor Graphics] Simulation of 8-bit ALU CMOS to get the waveform?

    So, may I know, what I can do now to solve the problems? Because I still blur about it. These few days, I try to use the standard cells inside the Mentor Graphics to build the ALU, unfortunately, I only manage to run the simulation until 4-bit ALU. The simulation of 8-bit ALU still cannot get...
  7. S

    [SOLVED] [Mentor Graphics] Simulation of 8-bit ALU CMOS to get the waveform?

    I already test the devices individually before I combine them to form 1-bit ALU. The waveform for the devices is correct. Now, the simulation of 2-bit ALU is no problem. So, even I run and test the simulation for 1-bit ALU, it still can successful obtain the waveform. When I add one more bit for...
  8. S

    [SOLVED] [Mentor Graphics] Simulation of 8-bit ALU CMOS to get the waveform?

    May I know, is this correct? I already simulate this schematic diagram, but the simulation result is failed.
  9. S

    [SOLVED] [Mentor Graphics] Simulation of 8-bit ALU CMOS to get the waveform?

    May I know, each digital input its own connection to the source means that I need to separate the source of the 2-bit ALU CMOS? So, I need to create a new source for the second ALU and connect the wire to the new source, right? This concept is correct?
  10. S

    [SOLVED] [Mentor Graphics] Simulation of 8-bit ALU CMOS to get the waveform?

    For the 4-bit ALU, I already try, but still cannot simulate it. The highest bit that I can simulate is 2-bit ALU CMOS. I will attach the schematic diagram of the 2-bit ALU below. So, can your guys guide me on how to solve the problem?
  11. S

    [SOLVED] [Mentor Graphics] Simulation of 8-bit ALU CMOS to get the waveform?

    Hi, I doing a project about designing 8-bit ALU CMOS using Mentor Graphics. So, I using a hierarchical method of 2-bit ALU to form the 8-bit ALU. The simulation of 2-bit ALU is successfully, but why my simulation of 8-bit ALU is failed. For the 8-bit ALU CMOS, I need to spend one to two hours...
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