AtaiTec SI Suite 2026.03

 

AtaiTec SI Suite is a comprehensive, integrated signal integrity analysis platform that enables engineers to design, simulate, and validate high-speed digital interconnects – from chip-to-chip on PCBs to backplanes, cables, and connectors. Version 2026.03 continues AtaiTec’s mission of bringing enterprise-class SI analysis to engineering teams of all sizes, offering a powerful yet intuitive environment for s-parameter analysis, IBIS/AMI modeling, channel compliance, and statistical eye diagram simulation. Whether designing PCIe 6.0, DDR5, USB4, or 112G Ethernet links, AtaiTec SI Suite delivers the accuracy, speed, and usability that modern high-speed design demands.

???? Primary Users

This professional signal integrity software is designed for:

  • Signal Integrity (SI) Engineers & Hardware Designers analyzing high-speed serial links, memory interfaces, and clock distribution networks.

  • PCB Designers & Layout Engineers optimizing stackups, routing topologies, and termination schemes.

  • Semiconductor & ASIC Designers characterizing I/O buffers, package parasitics, and on-die termination.

  • Telecommunications & Networking Engineers designing backplanes, connectors, and cable assemblies.

  • Automotive & Aerospace Engineers ensuring EMI/EMC compliance and robust high-speed communication.

⚡ Key Features & Capabilities

???? Channel Analysis & Compliance

High-Speed Serial Links:

  • PCI Express (Gen3/4/5/6), USB (3.0/4, Type-C), Thunderbolt

  • Ethernet (10G/25G/40G/100G/112G)

  • HDMI, DisplayPort, MIPI D-PHY/C-PHY

  • Custom NRZ, PAM4, PAM8 modulation schemes

Memory Interfaces:

  • DDR3/4/5, LPDDR4/5, GDDR6/HBM

  • Write/read leveling, ODT calibration

  • Command/address bus timing

Channel Compliance:

  • Insertion loss (IL), return loss (RL), crosstalk

  • COM (Channel Operating Margin) for 100G+ Ethernet

  • Eye mask and bathtub curve testing

???? S-Parameter & Touchstone Analysis

S-Parameter Processing:

  • Import/export Touchstone (.sNp) files

  • Passivity, causality, reciprocity checks and enforcement

  • De-embedding (port extension, fixture removal)

  • Mixed-mode (differential/common) conversion

Causal Modelling:

  • Broadband Spice model generation (rational fit, convolution)

  • Frequency-domain to time-domain conversion (IFFT)

???? IBIS & AMI Modeling

IBIS (I/O Buffer Information Specification):

  • IBIS 5.1 / 6.0 / 7.0 model validation (golden parser)

  • Package RLC and pin mapping

  • On-die termination (ODT) configuration

AMI (Algorithmic Model Interface):

  • CTLE, DFE, FFE, CDR simulation

  • PAM4 and NRZ equalization

  • Auto-negotiation and link training

???? Statistical & Time-Domain Simulation

Statistical Eye (Bit-by-Bit Convolution):

  • High-speed serial links (millions of bits in seconds)

  • Jitter and noise distributions (RJ, PJ, DCD, ISI)

  • BER contour and bathtub curve

Transient Simulation:

  • Time-domain reflectometry (TDR/TDT)

  • Pulse response and step response

  • Nonlinear driver and receiver models

????️ Stackup & PCB Planning

  • Material library (Megtron, Isola, Panasonic, Rogers)

  • Copper foil roughness (Huray, Hammerstad models)

  • Multi-layer, blind/buried via, backdrill support

  • Crosstalk matrix (FEXT, NEXT)

???? Optimization & What-If Analysis

  • Genetic algorithm (GA) and gradient descent optimization

  • Termination, equalizer, CTLE boost, DFE tap tuning

  • Sensitivities: length, impedance, skew

  • BER vs. eye height/width trade-offs

???? What’s New in Version 2026.03

  • PCIe 6.0 PAM4 – Full support for 64 GT/s with FLIT mode and L0p power state

  • DDR5 – DFE per pin, CA training, write/read leveling, gear-down mode, PODL termination

  • 112G Ethernet – CEI-112G (VSR, MR, LR), COM (IEEE 802.3ck)

  • Chiplet & Advanced Package – UCIe, BoW, HBM3, TSV model, bump pitch, underfill effects

  • AI-Assisted Optimization – RL/GP for termination/equalizer tuning (up to 10× faster convergence)

  • GPU Acceleration – NVIDIA CUDA for statistical eye generation (5× speedup)

  • Cloud Library – IBIS/AMI models, s-parameters from major semiconductor vendors (pull direct)

???? Industry Applications

  • Data Center & Networking – 400G/800G switch/router line cards, active optical cables, mid-board optics

  • Automotive – In-vehicle network (IVN): Automotive Ethernet (1000BASE‑T1), PCIe for IVI, Camera SerDes

  • Aerospace & Defense – High-speed backplane (VPX, SOSA), optical transceivers (Space‑grade)

  • Consumer & PC – Notebook, desktop, tablet: DDR5, PCIe M.2, USB4, Thunderbolt

  • Semiconductor – Pre-silicon I/O design, post-silicon characterization, package / interposer RDL routing