JS28F320J3F75A – 32Mbit Parallel NOR Flash Memory – Micron Technology

This Micron Technology JS28F320J3F75A NOR Flash memory IC delivers reliable non-volatile storage for embedded systems requiring high-speed data access. Part of Micron’s StrataFlash™ series, it features a parallel interface and industrial temperature range, making it ideal for demanding applications where consistent performance is critical. PCX ensures authentic Micron components with same-day shipping and technical support.

Key Features

• Memory Size: 32Mbit (4M x 8 or 2M x 16 organization)
• Interface: Parallel access with 75ns read/write speed
• Voltage Range: 2.7V–3.6V operation
• Temperature Rating: Industrial-grade (-40°C to 85°C)
• Technology: NOR Flash with fast write cycles
• Package: 56-TSOP surface-mount design

Technical Details

Organized as 4M x 8-bit or 2M x 16-bit memory, this IC provides flexible storage configurations. The parallel interface enables rapid data transfers with 75ns access time, while the NOR architecture ensures reliable code execution directly from flash. Housed in a compact 56-TSOP package (18.4mm width), it withstands industrial environments with its extended -40°C to 85°C operating range. Note: This part is marked obsolete by the manufacturer but remains available through PCX’s inventory.

Applications

• Industrial automation controllers
• Embedded networking equipment
• Medical device firmware storage
• Automotive telematics systems
• Legacy industrial computing

About Micron Technology

Micron Technology Inc. is a global leader in advanced memory and storage solutions, renowned for innovation in semiconductor technology. With over 40 years of industry expertise, Micron drives breakthroughs in computing, AI, and edge applications through rigorous quality standards and cutting-edge R&D.

Micron’s StrataFlash™ series exemplifies their commitment to reliability, offering optimized performance for embedded systems. As a trusted Micron supplier, PCX provides certified components backed by full traceability and lifecycle support, ensuring design continuity for critical projects.

About NOR Flash Memory

NOR Flash memory enables direct code execution (XIP) capabilities, making it essential for boot code and firmware storage in embedded systems. Unlike NAND Flash, its random-access architecture provides deterministic read performance critical for real-time applications. This technology ensures instant-on functionality and error-free operation in mission-critical devices.

Industrial NOR Flash ICs like the JS28F320J3F75A offer superior data retention (typically 20+ years) and high endurance. They maintain stability across voltage fluctuations and extreme temperatures, serving as the foundational memory solution for automotive, industrial, and communications infrastructure where system reliability is non-negotiable.

Packaging Options

Available in protective trays for automated assembly. Contact PCX for reel packaging alternatives and bulk order options.

Frequently Asked Questions

Question: Is this NOR Flash suitable for industrial temperature environments?
Answer: Yes, it operates reliably from -40°C to 85°C, meeting industrial application requirements.

Question: Can I execute code directly from this memory?
Answer: Absolutely. NOR Flash supports XIP (execute-in-place) functionality for embedded firmware.

Question: What voltage does this IC require?
Answer: It operates at 2.7V–3.6V, compatible with common 3V embedded systems.

Question: Why choose an obsolete part?
Answer: PCX maintains stock for legacy system maintenance and lifecycle extensions.

Question: Where can I find the datasheet?
Answer: Access the full datasheet on our product page: PCXCo.com/datasheets/JS28F320J3F75A

Question: Does PCX offer technical support for this component?
Answer: Yes, our engineering team provides application guidance and compatibility verification.

Disclaimer: Product images are representational. Refer to datasheets for exact specifications.

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