INDUSTRY COMPONENT

Memory Cell Array

Memory cell array is the core storage structure in ROM/Flash memory units, consisting of organized memory cells that store binary data.

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Component Specifications

Definition
A memory cell array is the fundamental storage matrix in non-volatile memory devices like ROM (Read-Only Memory) and Flash memory. It comprises a grid of individual memory cells, each capable of storing one or more bits of data through electrical charge trapping or physical configuration. The array is organized in rows (word lines) and columns (bit lines) with addressing circuitry that enables selective access to specific memory locations for read, write, or erase operations.
Working Principle
Memory cells store data through charge trapping in floating gates (Flash) or permanent physical configuration (ROM). When addressed, control circuitry applies specific voltage patterns to word lines and bit lines, allowing charge injection/removal (Flash programming/erasing) or sensing stored charge/state (reading). ROM cells are permanently configured during manufacturing through mask programming or fusible links.
Materials
Silicon substrate, polysilicon floating gates, oxide layers (SiO2), metal interconnects (aluminum/copper), dielectric materials, doping materials (phosphorus, boron)
Technical Parameters
  • Cell Size 10-100 nm²
  • Endurance 10^3 - 10^6 cycles (Flash)
  • Access Time 10-100 ns
  • Array Density 10^6 - 10^12 cells
  • Data Retention 10-100 years
  • Operating Voltage 1.8V - 12V
  • Temperature Range -40°C to 85°C
Standards
ISO/IEC 7816, JEDEC JESD22, IEC 60749

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Memory Cell Array.

memory cell array ROM memory cells Flash memory array semiconductor storage non-volatile memory memory matrix storage cells Memory Cell Array in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Memory Unit (ROM/Flash)

A non-volatile memory component within a CPU that stores permanent or semi-permanent data and instructions.

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Memory Unit

A component within a microcontroller or DSP that stores data and program instructions for processing.

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Engineering Analysis

Risks & Mitigation
  • Charge leakage
  • Read disturb
  • Program disturb
  • Data retention failure
  • Cross-talk between cells
FMEA Triads
Trigger: Oxide layer breakdown
Failure: Charge leakage leading to data loss
Mitigation: Implement thicker oxides, advanced dielectric materials, error correction codes
Trigger: Electron trapping in oxide
Failure: Threshold voltage shift causing read errors
Mitigation: Optimize program/erase algorithms, implement wear leveling
Trigger: Process variation
Failure: Inconsistent cell characteristics affecting reliability
Mitigation: Statistical process control, redundancy design, screening tests

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% voltage variation, ±10% timing margin, <0.1% bit error rate
Test Method
Parametric testing, functional testing, burn-in testing, data retention testing

Buyer Feedback

★★★★☆ 4.8 / 5.0 (35 reviews)

"The technical documentation for this Memory Cell Array is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Memory Cell Array so far."

"Testing the Memory Cell Array now; the technical reliability results are within 1% of the laboratory datasheet."

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Frequently Asked Questions

What is the difference between ROM and Flash memory cell arrays?

ROM arrays have permanently configured cells during manufacturing, while Flash arrays use floating gates that can be electrically programmed and erased multiple times.

How does a memory cell store data?

Through charge trapping in floating gates (Flash) or permanent physical configuration like fusible links or mask programming (ROM).

What causes memory cell degradation?

Charge leakage, oxide breakdown, electron trapping, and structural stress from repeated program/erase cycles.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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