INDUSTRY COMPONENT

Non-volatile Memory

Non-volatile memory is a data storage component that retains information without power, essential for data logging applications.

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Component Specifications

Definition
Non-volatile memory (NVM) is a type of computer memory that can retain stored information even when not powered, making it critical for data logging systems where persistent storage of operational parameters, event logs, and sensor readings is required. In industrial data loggers, NVM ensures data integrity during power outages or system shutdowns, typically using technologies like flash memory, EEPROM, or FRAM to record time-stamped measurements from various sensors.
Working Principle
Non-volatile memory operates by storing data in a physical state that does not require continuous electrical power to maintain. In flash memory (commonly used in data loggers), data is stored in memory cells with floating-gate transistors that trap electrical charge to represent binary states (0 or 1). During write operations, charge is injected into the floating gate through tunneling or hot-electron injection; during erase operations, charge is removed. Reading involves detecting the threshold voltage of the cell. This charge retention mechanism allows data persistence for years without power.
Materials
Silicon substrate with polysilicon floating gates, tungsten or copper interconnects, silicon dioxide or high-k dielectric insulation layers, and protective ceramic or plastic packaging materials.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Capacity8 MB to 64 GB typical for data loggers
Endurance10,000 to 100,000 write cycles (flash)
InterfaceSPI, I2C, or parallel
Memory TypeFlash (NAND/NOR), EEPROM, or FRAM
Package TypeTSOP, BGA, or SOIC
Data Retention10 to 20 years
Operating Voltage1.8V to 5V
Operating Temperature-40°C to +85°C (industrial grade)

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 26262, IEC 60721, JEDEC JESD47, AEC-Q100

Parent Products

This component is used in the following industrial products

Data Logger

An electronic device that records data over time from sensors within an industrial system.

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Memory Subsystem

Integrated memory components within a DSP core or microcontroller that store and retrieve data and instructions for processing.

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Recovery Controller

A control unit within an Error Handler system that manages the recovery process from operational faults or failures.

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Engineering Analysis

Risks & Mitigation
  • Data corruption during power loss
  • Limited write endurance
  • Bit error accumulation over time
  • Compatibility issues with host controllers
FMEA Triads
Trigger: Power interruption during write operation
Failure: Partial or corrupted data written to memory
Mitigation: Implement write-protect circuits, use capacitors for backup power during writes, and employ checksum verification
Trigger: Exceeding rated write/erase cycles
Failure: Memory cell degradation leading to data loss
Mitigation: Use wear-leveling algorithms, monitor write cycles, and select memory with higher endurance ratings
Trigger: Exposure to extreme temperatures
Failure: Accelerated charge leakage causing data retention failure
Mitigation: Select industrial temperature-grade components, implement thermal management, and use error correction codes

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±5% for voltage parameters, ±2°C for temperature specifications
Test Method
JEDEC standard testing for endurance, retention, and data integrity under environmental stress

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 Non-volatile Memory

Manufacturer profiles associated with Non-volatile Memory.

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Frequently Asked Questions

What is the difference between volatile and non-volatile memory in data loggers?

Volatile memory (like RAM) loses data when power is removed, while non-volatile memory retains data without power, making it essential for data loggers to preserve recorded information during outages or shutdowns.

How does non-volatile memory handle frequent write cycles in data logging?

Industrial-grade NVM uses wear-leveling algorithms and error correction codes (ECC) to distribute writes evenly across memory cells, extending lifespan despite frequent data logging cycles.

What are common failure modes of non-volatile memory in industrial environments?

Common failures include bit errors from charge leakage, write/erase cycle exhaustion, data corruption from power interruptions during writes, and physical damage from temperature extremes or vibration.

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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