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MX29F040QI-70 from MXIC,MAXIM - Dallas Semiconductor

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MX29F040QI-70

Manufacturer: MXIC, MX

4M-BIT [512KX8] CMOS EQUAL SECTOR FLASH MEMORY

Partnumber Manufacturer Quantity Availability
MX29F040QI-70,MX29F040QI70 MXIC, MX 6098 In Stock

Description and Introduction

4M-BIT [512KX8] CMOS EQUAL SECTOR FLASH MEMORY ### Introduction to the MX29F040QI-70  

The **MX29F040QI-70** is a high-performance **4-megabit (512K x 8-bit) flash memory** component designed for applications requiring reliable, non-volatile data storage. Manufactured using advanced CMOS technology, this device offers fast read and write operations, making it suitable for embedded systems, industrial controls, and consumer electronics.  

Operating at a **70ns access time**, the MX29F040QI-70 ensures efficient data retrieval, while its **single 5V power supply** simplifies integration into various circuit designs. The flash memory supports **sector erase and byte programming**, providing flexibility in firmware updates and data management.  

Key features include a **32-pin PLCC package**, which enhances durability and ease of installation, and a **wide temperature range** (-40°C to +85°C), ensuring stable performance in harsh environments. Additionally, the device incorporates **hardware and software data protection** mechanisms to prevent accidental writes or erasures.  

With its **low power consumption** and robust architecture, the MX29F040QI-70 is a dependable choice for developers seeking a cost-effective, high-density flash memory solution. Its compatibility with industry-standard interfaces further enhances its versatility across multiple applications.

Application Scenarios & Design Considerations

4M-BIT [512KX8] CMOS EQUAL SECTOR FLASH MEMORY

Alternative Part Number

  • SST39SF040-70-4C-PHE --: 4 Mbit parallel NOR flash with the same 512K x 8 organization and 70 ns access time, widely used as a drop-in replacement for MX29F040 in 5V systems.
  • AM29F040B-70JC --: Industry-standard 4 Mbit 5V parallel flash in a 32-pin PLCC package with 70 ns speed, functionally compatible with the MX29F040 command set.
  • AT29C040A-70JU --: 4 Mbit 5V flash with 70 ns access time and compatible pinout, a common second-source option when MX29F040 parts are unavailable.
  • AM29F040B-70PC --: Same 4Mbit 5V parallel NOR flash with 70ns access time in a 32-pin PLCC package; pin-compatible and a classic drop-in replacement for the MX29F040.
  • SST39SF040-70-4C-PH --: 4Mbit 5V parallel flash with 70ns speed in a 32-pin PLCC package; widely used as a substitute for MX29F040 devices in BIOS and embedded designs.
  • W49F040-70PL --: 4Mbit 5V parallel NOR flash, 70ns, 32-pin PLCC; functionally equivalent and commonly cross-referenced with the MX29F040 series.

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