US Shop

New user? / Forgot your password?

0 Item | 0,00 €

Product groups

Quasi Delay-Insensitive (QDI) Circuits

Optimize Your Asynchronous Designs with QDI Circuits

Unlock the full potential of your asynchronous circuit designs with Quasi Delay-Insensitive QDI circuits. These robust and efficient circuits operate independently of gate and wire delays, ensuring stability and reliability even under process variations and temperature fluctuations. Ideal for complex control circuitry, QDI circuits optimize for average-case workloads, making them perfect for research chips, microprocessors, and safety-critical systems. Trust HPC Standards GmbH for high-purity reference materials that meet the highest industrial standards, ensuring accurate and reliable analysis for your QDI circuits.

Product

Catalog No./ CAS No.

Quantity

Price

6QDI solution
Concentration: 100 µg/ml
Solvent: Acetonitrile

6QDI solution

688163
52870-46-9

1X1ML

Please log in.

7QDI solution
Concentration: 100 µg/ml
Solvent: Acetonitrile

7QDI solution

688165
173262-07-2

1X1ML

Please log in.

Ensuring Robust and Efficient Asynchronous Circuit Design

Overview

Quasi delay-insensitive (QDI) circuits are a type of asynchronous circuit that operates correctly independent of gate and wire delays, with minimal exceptions necessary to ensure Turing-completeness. QDI circuits are robust to process variations, temperature fluctuations, circuit redesigns, and FPGA remapping.

These circuits facilitate complex control circuitry through natural event sequencing, automatic clock gating, and compute-dependent cycle times, optimizing for average-case workloads rather than worst-case scenarios.

Uses

QDI circuits are primarily used in the design and manufacture of research chips, including Caltech's asynchronous microprocessor and MIPS R3000 clones, as well as Tokyo University's TITAC processors.

Regulatory

QDI circuits must adhere to strict design and operational guidelines to ensure stability and non-interference. This includes maintaining monotonic digital transitions to prevent instability and interference, which can lead to incorrect results, deadlock, or circuit damage.

Monitoring

Monitoring QDI circuits involves ensuring that all transitions are acknowledged appropriately. This is critical for maintaining the stability and correct operation of the circuits, especially in complex asynchronous systems.

Health Impact

While QDI circuits themselves do not pose direct health risks, ensuring their correct operation is vital to prevent potential hazards in applications where they are used, such as medical devices or safety-critical systems.

Human Toxicity

There is no direct human toxicity associated with QDI circuits. However, the materials and processes used in their manufacture should comply with safety and environmental regulations to prevent any indirect health risks.

Environmental Impact

QDI circuits, like other electronic components, should be designed and manufactured with environmental considerations in mind. This includes using environmentally friendly materials and ensuring proper disposal and recycling of electronic waste.

Effects on Wildlife

Improper disposal of electronic components, including QDI circuits, can have detrimental effects on wildlife. It is essential to follow proper recycling and disposal protocols to mitigate these impacts.

Safety Measures

To ensure the safe operation of QDI circuits, it is crucial to implement proper design practices, including maintaining monotonic transitions and adhering to stability requirements. Additionally, safety measures should be in place for the handling and disposal of electronic components.

Regulation

QDI circuits must comply with various regulatory standards to ensure their safe and reliable operation. This includes adhering to industry-specific guidelines and international standards for electronic components and systems.

Analytical Standards

HPC Standards GmbH provides high-purity reference materials for QDI circuits, ensuring accurate and reliable analysis. Our products meet the highest industrial standards and are essential for laboratories conducting food and environmental analysis to ensure compliance with regulatory limits.