What do you mean by a hierarchical design?

[smith_suez]

What do u mean by a hierarchical design and why do we use hierarchical designs

 

[kender]

Re: hierachial Design

Could you give us more context please? Do you have a particular software in mind?

In a few words: hierarchial design facilitates design encapsulation and reuse.

 

[smith_suez]

Re: hierachial Design

In PADS they have mentioned the use of flat and hierarchical schematic designs

 

[Rame]

Re: hierachial Design

Hi,

Please check this is in mentor graphics download,there was some article regarding this, which i had gone through between september to december.You can just subsribe and they will send you the article to ur mail id mentioned.

If i find the same in my database, i will upload it in this forum.


Regards

Ramesh

 

[cyberrat]

hierachial Design

It may mean that you can create sub circuits in different schematics and through linking them all to a master schematic you can create a single board using a hierarchical design structure.

 

[rangareddy1432]

Re: hierachial Design

if u want use the same circuit in different places in ur sch then instead of placing the circuit u can crake a hierachial block and u can place this block instead of that circuit , if u want the circuit by pushing tha hierachial block u can get the circuit

regards
ranga

 

[Rame]

Re: hierachial Design

Hi,

Check this out,is this what your looking for?

https://www.mentor.com/products/pcb/pads/physical_design/pads_layout/upload/PADS_PDR_updated.pdf.

There are many article with this Term "Reuse" in Mentor.com.


Regards

Ramesh

 

[renga]

Re: hierachial Design

If u use the same circuit in different places on same design or use the same circuit which is used in another design instead of placing all the circuits manually.

In orcad capture this option is working well.

take the same placement in another design also possible...it reduce our time..

 

[Ajish Babu S]

Re: hierachial Design

Hi

please refer following link



with regards
Ajish Babu S

 

[eemonk]

Re: hierachial Design

A flat design is that you capture all your circuitry in many pages. There is no block used in the design. Every parts sits at the same level.

A hierarchical design contains functional blocks. For example, a PC mother board has CPU, Memory, Controller, and other sections. If the design is captured as a flat design, all the individual devices are placed in various pages without functional block. In a hierarchical design, one can create a CPU block and put the CPU and its associated devices like by-pass caps and things within the same block. Similarly the memory block contains the memory connectors for different banks and so on. A hiearchical design can group devices based on their functionality and can also facilitate the layout so that devices can be placed closed to one and another.

In some schematic capture tools, if you capture the design using a hierarchical design fashion, you can copy the block from one design into another to *reuse* the existing circuitry. Doing this will help you save time and not doing the schematic if you know that circuit work. A hierarchical design is really the fundation of doing design reuse.

Hope this helps.