Editorial Technical Reference

Multiplexer Array

This page explains how Multiplexer Array 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

A digital circuit component that selects one of several input signals and forwards it to a single output line within a barrel shifter.

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Product Specifications

Technical details and manufacturing context for Multiplexer Array

Definition
The multiplexer array is a critical component in a barrel shifter, a digital circuit used for bit-shifting operations. It consists of multiple multiplexers arranged in parallel to handle data word shifting. Each multiplexer selects one of several input bits based on control signals, enabling efficient rotation or shifting of data in digital systems. The array is designed to support a selectable number of input channels, typically ranging from 8 to 64, and operates with input voltage levels compatible with TTL/CMOS logic (0–5.5 V). It requires a single supply voltage between 2.7 and 5.5 V DC. The propagation delay is specified between 0.5 and 5 ns, and the on-resistance ranges from 2 to 10 Ω, affecting signal integrity. The bandwidth is suitable for high-frequency signals, from 100 to 500 MHz. The component is rated for industrial temperature ranges: operating from -40 to 85 °C and storage from -55 to 125 °C, with reference to IEC 60068-2-1 and IEC 60068-2-2. ESD tolerance is specified under the HBM model, ranging from 2000 to 8000 V, per IEC 61000-4-2. Available package types include SOIC-16 to TQFP-64, with weight varying from 0.1 to 2.5 g depending on package size. The materials used include silicon, copper, and aluminum. These specifications are directory reference ranges and must be confirmed for the specific model and application with the legal manufacturer or supplier. The multiplexer array is essential for implementing shift and rotate operations in processors, digital signal processors, and other digital systems.
Working Principle
The multiplexer array operates by using control signals to select which input bits are passed to the output. Each multiplexer in the array receives multiple input bits and a control signal that determines which input is selected. When arranged in an array configuration within a barrel shifter, these multiplexers work together to perform bitwise shifting operations by routing data through different paths based on shift amount and direction. The control signals are typically derived from the shift amount and direction, ensuring that the correct bits are routed to the output. The array's parallel structure allows simultaneous shifting of all bits in a data word, enabling high-speed operation. The propagation delay and on-resistance are key parameters that affect the speed and signal integrity of the shifting operation. The array is designed to handle a range of input channels, from 8 to 64, and operates within specified voltage and temperature ranges. Verification of these parameters is essential for ensuring proper functionality in the target application.
Common Materials
Silicon, Copper, Aluminum
Technical Parameters
ParameterTypical rangeNotes & selection driver
Number of Channels8–64Selectable input channels per array
Input Voltage Range0–5.5 VCompatible with TTL/CMOS logic levels
Supply Voltage2.7–5.5 V DCSingle supply operation
Propagation Delay0.5–5 nsLower delay for high-speed switching
On-Resistance2–10 ΩAffects signal integrity
Bandwidth100–500 MHzFor high-frequency signals
Operating Temperature Range-40–85 °CIndustrial grade
Storage Temperature Range-55–125 °CNon-operating
ESD Tolerance2000–8000 VHBM modelIEC 61000-4-2
Package TypeSOIC-16–TQFP-64Surface mountJEDEC MS-012, MS-026
Weight0.1–2.5 gDepends on package size

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
  • Multiplexer Unit
    Individual selector circuit that chooses one input from multiple based on control signals
    Material: silicon
  • Control Logic
    Decodes shift instructions and generates selection signals for multiplexers
    Material: silicon
  • Input/Output Buffers Part
    Temporary storage and signal conditioning for data entering and leaving the array
    Material: silicon

Application & selection

Application Fit & Sizing Matrix

Operational Limits
voltage: 1.8V to 5.5V supply range
temperature: -40°C to +85°C
signal frequency: Up to 500 MHz
propagation delay: Typically 2-5 ns
Media Compatibility
✓ Digital logic signals ✓ Low-voltage differential signaling (LVDS) ✓ CMOS/TTL level signals
Unsuitable: High-voltage AC power lines or corrosive chemical environments
Sizing Data Required
  • Number of input channels required
  • Required switching speed/propagation delay
  • Power supply voltage and current constraints

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Signal Degradation
Cause: Oxidation or contamination of electrical contacts due to environmental exposure, leading to increased resistance and signal loss.
Mechanical Wear
Cause: Repeated switching cycles causing wear on internal components like relays or switches, resulting in misalignment or failure to engage.
Maintenance Indicators
  • Intermittent or unstable signal output during operation
  • Unusual audible clicking or buzzing from the unit when switching channels
Engineering Tips
  • Implement regular cleaning of electrical contacts using appropriate solvents and protective coatings to prevent oxidation.
  • Schedule preventive maintenance based on switching cycle counts rather than time intervals to address mechanical wear proactively.

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) RoHS Directive 2011/65/EU - Restriction of hazardous substances

Quoted from the published standard.

Manufacturing Precision
  • Channel-to-channel isolation: ≥60 dB
  • Insertion loss variation: ±0.5 dB across all channels
Quality Inspection
  • Bit error rate (BER) test at maximum data rate
  • Thermal cycling test (-40°C to +85°C for 500 cycles)
Technical documentation
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Manufacturing capability
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Inspection readiness
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Supplier transparency
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Manufacturers of Multiplexer Array

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Frequently Asked Questions

What is the typical number of channels in a multiplexer array?

The number of selectable input channels per array typically ranges from 8 to 64, depending on the specific model and application. This value should be confirmed with the manufacturer for the exact part.

What voltage levels are supported?

The input voltage range is 0 to 5.5 V, compatible with TTL/CMOS logic levels. The supply voltage is 2.7 to 5.5 V DC, allowing single-supply operation. Always verify these values for the specific model.

What is the operating temperature range?

The operating temperature range is -40 to 85 °C, and the storage temperature range is -55 to 125 °C, per IEC 60068-2-1 and IEC 60068-2-2. These are industrial-grade ratings; confirm with the manufacturer.

What package types are available?

Package types include SOIC-16 to TQFP-64, with weight ranging from 0.1 to 2.5 g depending on package size. These are reference values; the actual package and weight should be confirmed 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:

Barrel Shifter
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications

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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