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your-chipedge · 5 years ago

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What is Unateness in Static Timing Analysis?

Timing Sense corresponds to the functionality of the standard cells. It explains the traversal of a data from the source pin of the gate to its sink pin. Timing sense is also called as unateness of the timing arc.

All the standard cells can be classified based on the unateness they possess. Positive unate, Negative unate and Non-unate are the three types of unateness.

Under the timing section of a standard cell in .lib file, you can find timing sense information.

Positive unate: The rise transition at the source pin causes rise transition or no transition at the sink pin and fall transition at the source pin causes fall transition or no transition at the sink pin.

Standard Cells like AND Gate, OR gate, buffer possess this property.

Consider the truth table of AND Gate:

Consider the 1st case of inputs where both A and B are at logic 0 and output is at logic 0. Now consider B is getting transition to logic 1 then the output remains at logic 0 only (no transition). Now let A change to logic 1 then the output also transitions to logic 1.

Negative unate timing arc: The rise transition at the source pin causes fall transition or no transition at the sink pin and fall transition at the source pin causes rise transition or no transition at the sink pin.

Standard Cells like NAND Gate, NOR gate, inverter possess this property.

Consider the truth table of Inverter:

Signal transition on input A makes an opposite transition on the output pin Y.

Non unate: A standard cell which does not possess either of the property is said to be non-unate. XOR and XNOR gates have non-unate timing arcs.

Consider the truth table of XOR Gate :

Consider the 1st case of inputs where both A and B are at logic 0 and output is at logic 0. Now consider B is getting transition to logic 1 then the output changes to logic 1. Consider the 3rd row, where output is at logic 1 with A at logic 1 and B at logic 0, now let B change to logic 1 then the output transitions to logic 0. The gate does not possess either of the property. Hence the timing sense of XOR gate is non-unate.

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bitadmission · 2 years ago

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Physical design training institutes | Online physical design training institutes

5 Real Reasons Why Progressively More People Are Rushing Our Physical Design Training

In VLSI, physical design is transformation of net list to format in a given chip by meeting parts of region, power, execution (STA), and hence honoring time to showcase. Placement of cells, routing of metals that associate rationale entryways, floor plan, clock building, and meeting the required timing recurrence is the main objective of physical design.

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#Physical design institutes in Bangalore | Top 10 physical design institutes

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manojmanuu54 · 5 years ago

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5 Real Reasons Why Progressively More People Are Rushing Our Physical Design Training

It's among the chip design industry's most basic stages. It's the phase where most calendar delays are recouped to meet the TTM. Master liveliness, top to bottom examination and understating, faultless design, and demonstrated understanding, are the key necessities for getting a chip exactly on schedule and on the primary pass. These key necessities are definitely what we educate with our acclaimed physicaldesign training. There are a few reasons why dynamically more individuals continue rushing to join the training and they include;

1. We Are a PhysicalDesign Training Institute With 100% Placement

2. Course Content

Our physical Design Training centers providing a full hands-around understanding of physical design training and physical verification training flow with complete laboratory work on using the most trending tools directly accessible in the industry. This is very not normal for other physicaldesign training institutes in Bangalore or Hyderabad. Certainly, we've proceeded and none can find us.

3. The Best Physical Design Training Institute

Truly, we're certainly the best physical design training institute around but then we're a low cost physical design training institute. On the off chance that you contrast the little we accuse of the nature of our instructors, exercises, and materials, you will comprehend that we certainly offer parcels more an incentive for the cash our understudies pay. This by itself has guaranteed that we are seen by all industry specialists as a standout amongst other physical design training institutes in India and around the entire world.

4. We are among the India's Top 10 Physical Design Institutes

Aside from being among the top 10 physical design institutes in India, we're additionally the no 1 physical design training institute in Bangalore. This shows the entire world is beginning to perceive our amazing commitments to the training and placement of the VLSI industry's future chiefs. We are among the top 10 physical design training institutesas a result of our really broad training program for top understudies in the electrical and hardware field.

5. The Course's Features

One of the key purposes behind this current course's continuously rising prominence is its key highlights. The significant ones are;

• A hands-on introduction to the flow of physicaldesign training with best tools that completely fulfill industry guidelines.

• 24/7 laboratory support with the conveyance of course materials and lab practice freebees by means of the best onlinephysical design courses.

• The advancement of delicate aptitudes with a total suite of physical design courses online which, are work arranged with 100% placement help after the consummation of the course.

• Truly profound information on varying advances and systems utilized in physical design including DFT training.

• Project execution that fulfills all industry guidelines from RTL to GDSii training, to hypothesis just as lab practice meetings that are under the direction of the industry's chief specialists who include over twelve years of VLSI teaching experience.

#Physical Design Training Institutes In Bangalore | Physical Design Course In Bangalore

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