Encryption hybrid model SI simulation method based on ADS and HSPICE

Patent metadata

Field	Value
Publication number	US-11475196-B2
Application number	US-201716097185-A
Country	US
Kind code	B2
Filing date	Nov 30, 2017
Priority date	Aug 14, 2017
Publication date	Oct 18, 2022
Grant date	Oct 18, 2022

Abstract

It is provided an encryption hybrid model SI simulation method based on an ADS and an HSPICE. The method includes: extracting step response data of a TX end chip encryption model by using HSPICE transient simulation; externally generating a random code signal; and taking the extracted step response data and the random code signal as input sources of ADS channel simulation, to realize active simulation to the encryption hybrid model.

First claim

The invention claimed is:

1. An encryption hybrid model signal integrity (SI) simulation method based on an Advance Design System (ADS) and an HSPICE, performed by an SI simulation device, the method comprising:
extracting step response data of a transmitter (TX) end chip encryption model by using HSPICE transient simulation;
externally generating a random code signal; and
performing ADS channel simulation by taking the extracted step response data and the random code signal as input sources of the ADS channel simulation, to realize active simulation to the encryption hybrid model,
wherein the HSPICE transient simulation comprises:
reserving a model input interface in the TX end chip encryption model;
building a wiring model required in a link;
connecting the TX end chip encryption model and the wiring model, and providing the connected model in butt joint with a resistor;
inputting an ideal step signal at the model input interface reserved in the TX end chip encryption model; and
extracting the step response data at a position where the butt joint is provided.

2. The encryption hybrid model SI simulation method based on the ADS and the HSPICE according to claim 1 , wherein the step response data is a step response output file with a suffix of and a format of the step response output file is edited to make the step response output file to be a file with a suffix of .tim that is capable of being called by the ADS.

3. The encryption hybrid model SI simulation method based on the ADS and the HSPICE according to claim 1 , further comprising:
transforming the wiring model into an S parameter for the ADS to call.

4. The encryption hybrid model SI simulation method based on the ADS and the HSPICE according to claim 3 , further comprising:
transforming the wiring model into an S parameter for the ADS to call.

Assignees

• Zhengzhou Yunhai Information Tech Co Ltd

Inventors

• Rong Shili
• Wu Ning
• Sun Long
• Wang Wei

Classifications

• G06F30/36 Primary

  Circuit design at the analogue level · CPC title

• H04L9/0875

  based on channel impulse response [CIR] · CPC title

• G06F21/602

  Providing cryptographic facilities or services · CPC title

• G06F2221/2107

  File encryption · CPC title

• G06F30/367 Primary

  Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods · CPC title