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iscas 85 benchmark circuits

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designtech

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iscas 85 benchmark

Hi,

Can anyone please tell me where I can get SPICE netlists for the iscas 85 benchmark circuits ? I need them very urgently

Thanks a lot
 

iscas 85 benchmarks

U can generate it very easly using perl script. It is a matetr of small program in perl.
First of all u have to to make all subckt library for basic gates and use thise subcircuits to replace the basic gates in iscas circuits.
 

is there any tool that does this? i mean conversion from verilog to spice?

---------- Post added at 03:07 ---------- Previous post was at 02:27 ----------

I also need the same spice netlists. ISCAS combinational circuits. But I dont know perl scripting. I have verilog files. but how do I get spice files?
 

Thanks Pavan

I read at many places that HSIM has v2s that converts verilog to spice.

I did that, but it looks like that Verilog is converted to *.spi . However I need to perfrm an STA using Synopsys Nanotime and it reads .sp file. I need flat Spice level netlist.

How do you suggest should I move further?
 
Hey pavan...

I have gate level spice netlist and separate spice descripption. Can you guide me how to write Perl script? May be an example script?
 

hey ramu i vl giv u some clue as i know how v vl get that net list but my prob is that my halwa professors need circuit diagrams so can u also help me out



the site i would suggest u is WWW: ISCAS89 Sequential Benchmark Circuits

can u also kindly help me how to get circuit diagrams of them
 

hai ramu gate level net list is readily available for some of the circuits directly kindly browse the site

and sending netlist is for around for all sequential is a bit difficult so kindly u browse it u vl surely get it there is no other alternative rather than to belive the net source wether they r true or not

so kind;y browse it
 

dhaval4987 said:
Thanks Pavan

I read at many places that HSIM has v2s that converts verilog to spice.

I did that, but it looks like that Verilog is converted to *.spi . However I need to perfrm an STA using Synopsys Nanotime and it reads .sp file. I need flat Spice level netlist.

How do you suggest should I move further?
Click to expand...

Dear dhaval
I convert my synthesized veriolg code into spice netlist but i have a problem.
Every Cell (subcircuit) has its own VDD and VSS net name,
Code: 
.
.
.
XU9 PA n9 X1[0] VDD_dummy47 VSS_dummy48 NAND2_X1
XU8 PA n8 X1[1] VDD_dummy49 VSS_dummy50 NAND2_X1
XU7 PA n7 X1[2] VDD_dummy51 VSS_dummy52 NAND2_X1
XU6 PA n6 X1[3] VDD_dummy53 VSS_dummy54 NAND2_X1
.
.
I want all the cells VDD and VSS be connected to the global supply net.
What do you suggest?

Thanks in advance.
Oveis.
 

Oveis.Gharan said:
Dear dhaval
I convert my synthesized veriolg code into spice netlist but i have a problem.
Every Cell (subcircuit) has its own VDD and VSS net name,
Code: 
.
.
.
XU9 PA n9 X1[0] VDD_dummy47 VSS_dummy48 NAND2_X1
XU8 PA n8 X1[1] VDD_dummy49 VSS_dummy50 NAND2_X1
XU7 PA n7 X1[2] VDD_dummy51 VSS_dummy52 NAND2_X1
XU6 PA n6 X1[3] VDD_dummy53 VSS_dummy54 NAND2_X1
.
.
I want all the cells VDD and VSS be connected to the global supply net.
What do you suggest?

Thanks in advance.
Oveis.
Click to expand...

Dear Oveis,

use some perl scripts to perform some text manipulation and replace all VDD_dummyxx with VDD and same for VSS.
unfortunately using v2s command by hsim has a con- about the supply rail names.

But running through perl script is really easy and should solve this problem.
 

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