Data Memory: Capacity Typically 64 KB to 16 MB

Component Specifications

Definition

Data Memory in Digital Signal Processors (DSPs) refers to the integrated memory units designed to store both program code and data variables required for executing signal processing algorithms. Unlike general-purpose processors, DSP data memory is optimized for high-speed access, low latency, and deterministic timing to handle real-time data streams, such as audio, video, or sensor signals. It typically includes multiple memory banks (e.g., RAM, cache, or specialized buffers) to support parallel data fetches and minimize bottlenecks during arithmetic operations like filtering, transformation, or modulation.

Working Principle

Data Memory operates by storing binary data in addressable memory cells, which are accessed via memory controllers within the DSP. During execution, the DSP's fetch-decode-execute cycle retrieves instructions and data from memory, often using Harvard or modified Harvard architectures that separate instruction and data paths for enhanced throughput. Memory access is synchronized with the DSP's clock cycles, enabling predictable timing for real-time applications. Advanced features may include direct memory access (DMA) for efficient data transfers without CPU intervention, error-correcting codes (ECC) for reliability, and configurable memory mapping to optimize performance for specific algorithms.

Materials

Semiconductor materials (e.g., silicon with doped regions for transistors), dielectric layers (e.g., silicon dioxide for insulation), and metal interconnects (e.g., copper or aluminum for wiring). Packaging materials include epoxy molding compounds, lead frames, and solder bumps for chip attachment.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Capacity	Typically 64 KB to 16 MB
Interface	Parallel or serial (e.g., SPI, I2C)
Access Time	Less than 10 ns for SRAM
Memory Type	SRAM, DRAM, or Flash
Data Bus Width	16-bit to 64-bit
Operating Voltage	1.2V to 3.3V
Temperature Range	-40°C to 85°C (industrial)

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 9001, IEC 60749, JEDEC standards

Parent Products

This component is used in the following industrial products

Digital Signal Processor (DSP)

A specialized microprocessor optimized for real-time digital signal processing operations.

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Digital Signal Processors

Specialized microprocessors optimized for real-time digital signal processing operations.

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Engineering Analysis

Risks & Mitigation

Data corruption due to electromagnetic interference
Memory leakage from software errors
Thermal degradation at high operating temperatures

FMEA Triads

Trigger: Voltage spikes or power fluctuations
Failure: Memory cell corruption or loss of stored data
Mitigation: Implement voltage regulators, ECC, and surge protection circuits

Trigger: Excessive heat from continuous high-speed operations
Failure: Reduced memory lifespan or permanent damage
Mitigation: Use heat sinks, thermal management software, and operate within specified temperature ranges

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±5% for voltage and timing parameters

Test Method

Automated test equipment (ATE) for functional verification, burn-in testing for reliability, and environmental stress screening (ESS)

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.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Data Memory

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Zhejiang Bocon Intelligent Equipment Co., Ltd.

Hangzhou, Zhejiang, CN

Also makes: Control System, Sterilization Zone, Transmission

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “Data & Memory”
View source page ↗ hzbocon.com · recorded 2026-09-15

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Explore company information and manufacturing capabilities, then discuss the scope of your project with a relevant supplier.

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

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Edge Connector

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Frequently Asked Questions

What is the difference between Data Memory and Program Memory in a DSP?

Data Memory stores variables and intermediate results during signal processing, while Program Memory holds the executable code. DSPs often use separate buses for each to enhance speed and avoid conflicts in real-time operations.

How does Data Memory affect DSP performance?

Performance depends on access speed, bandwidth, and latency. Faster memory reduces processing delays, enabling higher sample rates and more complex algorithms in applications like audio filtering or image processing.

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.

Data Memory