Clock Distribution Tree: Operating Voltage 0.8V to 3.3V

Q: What is the purpose of a clock distribution tree?

It ensures that clock signals arrive simultaneously at all clocked elements in a digital system, minimizing timing errors and improving performance.

Q: How does a clock distribution tree reduce skew?

By using balanced routing paths, buffer insertion, and impedance matching to equalize signal propagation delays across all branches.

Component Specifications

Definition

A clock distribution tree is a structured network within digital systems that delivers synchronized clock signals from a single source to multiple destination points (such as flip-flops, latches, or other clocked elements) across an integrated circuit or printed circuit board. It is designed to minimize clock skew, jitter, and power consumption while ensuring reliable timing for synchronous operations.

Working Principle

The clock distribution tree operates by receiving a master clock signal from an oscillator or PLL (Phase-Locked Loop) and distributing it through a branching network of buffers and interconnects. It uses balanced routing, impedance matching, and buffer insertion to maintain signal integrity, equalize propagation delays, and reduce timing variations across all endpoints.

Materials

Typically fabricated using silicon-based semiconductor materials (e.g., silicon wafers with copper or aluminum interconnects), with dielectric insulators (e.g., silicon dioxide) and may include materials like low-k dielectrics for high-speed applications.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Skew	< 10 ps
Jitter	< 1 ps RMS
Number Of Outputs	Up to thousands
Operating Voltage	0.8V to 3.3V
Power Consumption	Varies with design, typically 5-20 mW
Clock Frequency Range	1 MHz to 10 GHz

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

IEC 60749, JEDEC JESD65B

Parent Products

This component is used in the following industrial products

Clock Distribution Buffer

A specialized electronic component within a Master Clock Generator that receives, conditions, and distributes the master clock signal to multiple destinations with minimal skew and jitter.

View Product Details

Engineering Analysis

Risks & Mitigation

Timing violations due to excessive skew or jitter
Signal integrity degradation from crosstalk or noise
Power consumption overhead in high-frequency designs

FMEA Triads

Trigger: Imbalanced routing or buffer mismatches
Failure: Increased clock skew leading to setup/hold time violations
Mitigation: Use automated clock tree synthesis tools with skew optimization algorithms.

Trigger: Power supply noise or ground bounce
Failure: Clock jitter causing timing uncertainty
Mitigation: Implement decoupling capacitors and robust power distribution networks.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Skew tolerance typically < 5% of clock period, jitter < 0.1% of period

Test Method

Measured using time-domain reflectometry (TDR), oscilloscopes, and on-chip delay measurement circuits

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Clock Distribution Tree

Manufacturer profiles associated with Clock Distribution Tree.

Sourcing Clock Distribution Tree from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Explore company information and manufacturing capabilities, then discuss the scope of your project with a relevant supplier.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

Related Components

Marking Ink

Specialized ink for permanent identification on surface mount resistors during manufacturing.

Dielectric Layer

Insulating layer in surface mount capacitors that stores electrical energy through polarization.

Optical Window

Transparent optical component for light transmission in polycarbonate lens housings

PCB Substrate

PCB substrate is the foundational insulating layer that provides mechanical support and electrical connectivity for electronic components in high-speed memory modules.

Frequently Asked Questions

What is the purpose of a clock distribution tree?