Editorial Technical Reference

Frequency Divider

This page explains how Frequency Divider is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An electronic circuit that reduces the frequency of an input clock signal by an integer divisor.

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Product Specifications

Technical details and manufacturing context for Frequency Divider

Definition
A frequency divider is a critical component within clock circuits that takes a high-frequency input clock signal and produces an output signal with a frequency that is a precise integer fraction (e.g., 1/2, 1/4, 1/10) of the input frequency. It is essential for generating multiple, synchronized clock domains from a single master oscillator within digital systems, microprocessors, communication devices, and timing circuits. This directory entry covers a generic frequency divider component used in computer, electronic, and optical product manufacturing. The device is typically implemented as an integrated circuit (IC) using silicon, with copper interconnects. It operates over an input frequency range of 1–100 MHz and provides a selectable division ratio from 2 to 256 via control pins, resulting in an output frequency range of 0.004–50 MHz. The supply voltage is 3.3–5.0 V DC, and the output duty cycle is 45–55% at nominal conditions. Propagation delay is ≤5 ns from input clock edge to output edge. The operating temperature range is -40 to 85 °C, with a storage range of -55 to 125 °C. Input logic levels are TTL-compatible and support CMOS levels (0–0.8 V for low, 2.0–5.5 V for high). The output can sink and source ±24 mA. Available package types include SOIC-8 and DIP-8, with a weight of 0.5–1.5 g depending on package and lead finish. These parameters are directory reference ranges and must be confirmed for the specific model and application. Always verify model-specific values and standards with the legal manufacturer or supplier before procurement or design-in.
Working Principle
The divider operates by counting a defined number of input clock cycles before toggling its output state. Common implementations use digital counters (like ripple counters or synchronous counters) or flip-flops in a feedback configuration. For example, a simple divide-by-2 circuit uses a single T-flip-flop that toggles its output on every rising edge of the input clock, effectively halving the frequency. For higher division ratios, cascaded flip-flops or counter ICs are used. The division ratio is set via control pins, allowing the user to select an integer divisor between 2 and 256. The output signal is a square wave with a duty cycle that depends on the design and load conditions. The propagation delay from input to output is minimal (≤5 ns), ensuring synchronized operation in high-speed digital systems. The device requires a single supply voltage (3.3–5.0 V DC) and proper decoupling to maintain stable operation. The input clock must be within the specified frequency range and logic levels to ensure correct counting and output generation.
Common Materials
Silicon (for integrated circuits), Copper (for interconnects)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Input Frequency Range1–100 MHzOperating range for the input clock signal
Division Ratio2–256Integer divisor selectable via control pins
Output Frequency Range0.004–50 MHzDerived from input frequency divided by ratio
Supply Voltage3.3–5.0 V DCSingle supply; decoupling required
Output Duty Cycle45–55 %At nominal input frequency and ratio
Propagation Delay≤5 nsFrom input clock edge to output edge
Operating Temperature Range-40–85 °CIndustrial grade; extended range available
Storage Temperature Range-55–125 °CNon-operating condition
Input Logic Level0–0.8 / 2.0–5.5 VTTL-compatible; CMOS levels supported
Output Drive Capability±24 mASink and source current
Package TypeSOIC-8 / DIP-8Surface mount or through-hole
Weight0.5–1.5 gDepending on package and lead finish

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

Components / BOM
  • Flip-Flop / Counter Cell Part
    The basic storage element that toggles or counts input clock edges to achieve frequency division.
    Material: Silicon (semiconductor)
  • Feedback Logic Part
    Digital gates (e.g., AND, OR) that determine when the counter resets, setting the specific division ratio.
    Material: Silicon (semiconductor)
  • Output Buffer Part
    Amplifies and shapes the divided signal to drive subsequent circuit stages with proper voltage levels and timing.
    Material: Silicon (semiconductor)

Application & selection

Application Fit & Sizing Matrix

Operational Limits
power: 10 mW typical power consumption at 100 MHz
voltage: 1.8V to 5.5V supply range, 0V to VDD input signal levels
frequency: DC to 500 MHz maximum input frequency
temperature: -40°C to +85°C (industrial grade), -55°C to +125°C (military grade)
Media Compatibility
✓ Digital logic systems ✓ Clock distribution networks ✓ Frequency synthesis circuits
Unsuitable: High-voltage AC power systems (requires low-voltage DC operation)
Sizing Data Required
  • Input clock frequency (fin)
  • Desired output frequency (fout)
  • Required division ratio (N = fin/fout)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing fatigue failure
Cause: Inadequate lubrication, contamination ingress, or excessive loading leading to spalling, brinelling, or overheating in the gearbox or motor bearings.
Gear tooth wear or pitting
Cause: Misalignment, improper backlash, or insufficient lubrication causing surface fatigue, abrasive wear, or scoring on the gear teeth within the frequency divider assembly.
Maintenance Indicators
  • Unusual grinding, whining, or knocking noises from the gearbox during operation
  • Excessive vibration or heat detected on the housing, indicating internal friction or imbalance
Engineering Tips
  • Implement a strict lubrication schedule using manufacturer-recommended oils or greases, and monitor for contamination through regular oil analysis.
  • Ensure precise alignment during installation and periodic checks, and maintain proper gear backlash settings to prevent premature wear and overload.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
IEC 61000-6-2 Electromagnetic Compatibility (EMC) CE Marking (EU Machinery Directive 2006/42/EC)

Quoted from the published standard.

Manufacturing Precision
  • Frequency Accuracy: +/- 0.001%
  • Output Jitter: < 1 ps RMS
Quality Inspection
  • Signal Integrity Analysis (Eye Diagram Test)
  • Environmental Stress Screening (Temperature/Humidity Cycling)
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
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Manufacturers of Frequency Divider

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Frequently Asked Questions

What is the input frequency range of this frequency divider?

The input frequency range is 1–100 MHz, as listed in the directory reference parameters. However, you must verify the exact range for the specific model with the manufacturer, as actual performance may vary.

How is the division ratio selected?

The division ratio is selectable via control pins, allowing an integer divisor from 2 to 256. The specific pin configuration and programming method should be confirmed from the manufacturer's datasheet.

What is the output duty cycle?

The output duty cycle is 45–55% at nominal input frequency and ratio. This is a reference range; actual duty cycle may depend on load and operating conditions, so verify with the manufacturer.

What package options are available?

The component is available in SOIC-8 (surface mount) and DIP-8 (through-hole) packages. The weight ranges from 0.5 to 1.5 g depending on package and lead finish. Confirm availability and exact dimensions with the supplier.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Clock Circuit
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Frequency Synthesizer
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Local Oscillator (LO) / Synthesizer
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Phase-Locked Loop (PLL)
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Phase-Locked Loop (PLL) Circuit
View system integration details
Baud Rate Generator / Clock Controller
View system integration details
Clock Data Recovery Circuit
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Clock Management Unit
View system integration details
Phase-locked loop
View system integration details
Timing Circuit
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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 · Page last updated 12 October 2026

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