Intel PC28F128J3D75: A Comprehensive Technical Overview of the 128-Megabit Flash Memory Device

The Intel PC28F128J3D75 represents a significant component within the landscape of non-volatile memory solutions. As a 128-megabit (16-megabyte) flash memory device, it is engineered for applications requiring reliable, high-performance storage where data persistence is critical. This device is fabricated using Intel's advanced StrataFlash Cellular Memory technology, which allows for a single flash array to store multiple bits per cell, optimizing density and cost-effectiveness.

A key architectural feature of this device is its organization as a 16-Megabyte memory array, structured in a uniform block architecture. This array is divided into 128 individual blocks, each sized at 128 Kilobytes. This uniform blocking scheme provides exceptional flexibility for data storage and code, facilitating efficient memory management for modern embedded systems. The device operates on a single 3.0V supply voltage (VCC) for all read, program, and erase operations, making it highly suitable for power-sensitive and portable applications.

The PC28F128J3D75 supports a versatile interface, offering both asynchronous page-mode read operations and a synchronous burst-mode read capability. This allows for high-speed data access, with the synchronous mode enabling clocked operations for improved performance in bus-connected systems. Its high-performance program and erase capabilities are central to its design. The device leverages a Command User Interface (CUI) for writes, adhering to the JEDEC common flash memory interface standards. This ensures a standardized method for issuing commands to program data or erase entire blocks, simplifying software driver development.

Data integrity and protection are paramount. The device incorporates several hardware and software features to safeguard content. These include a hardware-based write protection scheme that prevents accidental modification of data in critical memory sections. Furthermore, it offers advanced software features for block locking and password protection, giving system designers robust tools to secure firmware.

Primarily, the Intel PC28F128J3D75 is targeted at a wide range of embedded applications. It is a common choice for storing firmware (boot code and operating system), configuration data, and application code in systems such as networking equipment (routers, switches), telecommunications infrastructure, industrial automation and control systems, and advanced automotive electronics. Its reliability, endurance, and performance characteristics make it a cornerstone in devices where failure is not an option.

ICGOOODFIND: The Intel PC28F128J3D75 is a high-density, 3V flash memory solution that balances performance, density, and power efficiency. Its uniform block architecture, advanced write protection mechanisms, and support for both asynchronous and synchronous read operations make it a versatile and reliable choice for a multitude of demanding embedded applications, securing its place as a foundational component in persistent data storage.

Keywords: Flash Memory, StrataFlash, Non-volatile, Embedded Systems, Command User Interface (CUI)