INDUSTRY COMPONENT

Shift Register

A sequential logic circuit that stores and shifts binary data in industrial control systems.

Component Specifications

Definition
A shift register is a digital integrated circuit that stores binary data and can shift it left or right through a series of flip-flops. In industrial applications, it's used for data serialization, parallel-to-serial conversion, timing control, and temporary storage in protocol engines and automation controllers.
Working Principle
Operates using clock signals to synchronize data movement through cascaded flip-flops. Each clock pulse shifts stored bits by one position, enabling sequential data processing, buffering, and pattern generation in industrial communication protocols.
Materials
Semiconductor silicon with CMOS/TTL technology, encapsulated in plastic (e.g., DIP, SOIC packages) with gold/copper lead frames.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Bit Width4-bit to 64-bit
Package TypeDIP-16, SOIC-16, TSSOP-16
Supply Voltage3.3V or 5V DC
Clock FrequencyUp to 100 MHz
Operating Temperature-40°C to +85°C

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

Standards
ISO 13849, IEC 61131, DIN 19237

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Clock signal jitter causing data errors
  • Voltage spikes damaging semiconductor components
  • Thermal overload in continuous operation
FMEA Triads
Trigger: Electrostatic discharge (ESD) during handling
Failure: Permanent damage to internal transistors, leading to data corruption
Mitigation: Implement ESD protection circuits and proper grounding procedures during installation
Trigger: Excessive clock signal noise
Failure: Incorrect data shifting and synchronization loss
Mitigation: Use shielded cables, proper termination, and noise filtering on clock lines

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±5% voltage regulation, ±100ps clock jitter tolerance
Test Method
Automated test equipment (ATE) with boundary scan (JTAG) and functional pattern testing per IEC 60747

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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Shift Register

Manufacturer profiles associated with Shift Register.

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Frequently Asked Questions

What is the primary function of a shift register in a protocol engine?

It converts parallel data to serial format for transmission and serial data to parallel for processing, enabling efficient communication in industrial networks like Modbus or Profibus.

How does clock frequency affect shift register performance?

Higher clock frequencies allow faster data shifting, increasing throughput in high-speed industrial applications, but require careful PCB design to prevent signal integrity issues.

Data Basis

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

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.

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