JS28F256J3F105A – 16Mbit Parallel NOR Flash Memory – Micron Technology

Experience reliable data storage with the Micron JS28F256J3F105A NOR Flash memory IC, engineered for systems requiring fast access to non-volatile code storage. This industrial-grade component delivers robust performance in demanding environments, featuring a parallel interface for efficient data transfer. PCX ensures genuine Micron products with same-day shipping and dedicated technical support.

Key Features

• Memory Size: 16Mbit (32M x 8 / 16M x 16 organization)
• Interface: High-speed Parallel
• Access Time: 105ns (Word/Page)
• Voltage Range: 2.7V–3.6V operation
• Temperature Rating: Industrial (-40°C to 85°C)
• Package: Surface-mount 56-TSOP

Technical Specifications

Built using NOR Flash technology, this non-volatile memory IC supports flexible 8-bit or 16-bit data bus configurations. The parallel interface enables rapid read/write cycles with 105ns access time, while the 2.7–3.6V operating range ensures compatibility with low-power designs. The industrial temperature tolerance (-40°C to 85°C) and 56-TSOP package (18.4mm width) provide reliability in extended operating conditions. Download full datasheet

Typical Applications

• Industrial control system firmware storage
• Embedded computing boot memory
• Medical device code retention
• Automotive infotainment systems
• Networking equipment configuration storage

About Micron Technology

Micron Technology Inc. stands as a global leader in advanced memory and storage solutions, driving innovation across the semiconductor industry for over 40 years. Their cutting-edge fabrication processes and rigorous quality controls set industry benchmarks for performance and data integrity.

Micron’s comprehensive portfolio of flash memory products powers mission-critical applications worldwide, from enterprise servers to automotive systems. Their commitment to R&D ensures compatibility with evolving technological standards while maintaining backward compatibility for design longevity. Trusted by Fortune 500 manufacturers, Micron components deliver consistent performance under extreme operational demands.

About NOR Flash Memory

NOR Flash memory provides critical non-volatile storage for executable code in embedded systems, offering random access capabilities and superior data retention compared to alternatives. Its XIP (execute-in-place) architecture allows microprocessors to run code directly from memory without loading into RAM, significantly improving system boot times and reliability.

This memory type excels in applications requiring frequent reads and infrequent writes, such as firmware storage where instant access to boot code is essential. With higher endurance than NAND flash and deterministic read performance, NOR Flash remains the preferred solution for industrial, automotive, and medical applications where data integrity cannot be compromised.

Packaging Options

Available in protective trays for automated assembly processes. Contact PCX for reel packaging alternatives and volume pricing.

Frequently Asked Questions

Q: Is this NOR Flash compatible with 3.3V systems?
A: Yes, it operates within 2.7V–3.6V range, making it ideal for standard 3.3V designs.

Q: What is the endurance rating for write cycles?
A: Micron NOR Flash typically supports 100,000+ program/erase cycles per sector.

Q: Can I use this for automotive temperature environments?
A: Absolutely. Its -40°C to 85°C industrial rating exceeds many automotive requirements.

Q: Does PCX provide lifecycle status updates?
A: Yes, we proactively notify customers about Micron’s component lifecycle changes and offer last-time-buy support.

Q: How does parallel NOR compare to serial flash?
A: Parallel interfaces offer significantly faster data throughput (up to 16x) versus serial interfaces, ideal for time-sensitive operations.

Q: Can I get samples before volume orders?
A: PCX offers sample requests for qualified designs – contact our support team for availability.

⚠️ Note: Product images are representational – verify specifications using the provided datasheet.

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