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MT28F400B5 from MT

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MT28F400B5

Manufacturer: MT, MICRON

FLASH MEMORY

Partnumber Manufacturer Quantity Availability
MT28F400B5 MT, MICRON 255 In Stock

Description and Introduction

FLASH MEMORY # Introduction to the MT28F400B5 Flash Memory Component  

The **MT28F400B5** is a high-performance **4-Megabit (512K x 8) flash memory** component designed for applications requiring reliable, non-volatile data storage. Built with advanced **NOR flash technology**, it offers fast read and write operations, making it suitable for embedded systems, industrial controls, and telecommunications equipment.  

This component operates on a **single 5V power supply**, ensuring compatibility with legacy systems while maintaining robust performance. It features a **symmetric block architecture**, allowing flexible erase and programming operations. With **low power consumption** and a **wide operating temperature range**, the MT28F400B5 is well-suited for demanding environments.  

Key specifications include:  
- **Fast access time** (typically 70ns)  
- **Sector erase capability** (4KB, 8KB, or full-chip erase)  
- **High endurance** (minimum 100,000 erase/write cycles)  
- **Data retention** of up to 20 years  

The MT28F400B5 supports **standard microprocessor interfaces**, simplifying integration into existing designs. Its **hardware and software data protection** mechanisms prevent accidental corruption, enhancing system reliability.  

Engineers favor this component for its **balance of speed, durability, and ease of use**, making it a practical choice for firmware storage, configuration settings, and other critical data retention needs. Whether in automotive electronics or industrial automation, the MT28F400B5 remains a dependable solution for non-volatile memory requirements.

Application Scenarios & Design Considerations

FLASH MEMORY

Alternative Part Number

  • AM29F400B-90SI --: Pin-compatible 4 Mbit flash memory with similar organization and timing, widely used as a direct substitute for the MT28F400B5.
  • SST39SF040-70-4C-PHE --: 4 Mbit CMOS flash memory with compatible parallel interface and 5V operation, suitable replacement when slight timing differences are acceptable.
  • M29F400BB-90N6 --: 4 Mbit boot-block flash memory offering comparable density and interface, commonly cross-referenced for MT28F400B5 designs.
  • S29GL032N90TFI040 --: 32 Mbit parallel NOR flash in TSOP-48, a common drop-in class replacement for legacy 4 Mbit Micron NOR flash when board supports higher density and similar pinout.
  • AM29LV400B-90SI --: 4 Mbit 3V parallel NOR flash with compatible command set and TSOP-48 footprint, widely used as a second source for MT28F400-class devices.
  • SST39VF400A-70-4C-EKE --: 4 Mbit 3V parallel NOR flash in TSOP-48 with JEDEC-compatible interface, suitable as an alternative when exact Micron timing is not critical.

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