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MX27C2000AQC-90 from MXIC,MAXIM - Dallas Semiconductor

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MX27C2000AQC-90

Manufacturer: MXIC

2M-BIT [256K x 8] CMOS EPROM

Partnumber Manufacturer Quantity Availability
MX27C2000AQC-90,MX27C2000AQC90 MXIC 3152 In Stock

Description and Introduction

2M-BIT [256K x 8] CMOS EPROM # Introduction to the MX27C2000AQC-90  

The **MX27C2000AQC-90** is a high-performance **2-megabit (256K x 8) UV-erasable programmable read-only memory (EPROM)** designed for applications requiring reliable non-volatile data storage. With a fast **90ns access time**, this component is well-suited for systems demanding quick read operations, such as embedded computing, industrial control, and legacy hardware upgrades.  

Featuring a **single 5V power supply**, the MX27C2000AQC-90 ensures compatibility with standard TTL logic levels, simplifying integration into existing designs. Its **UV-erasable** nature allows for multiple reprogramming cycles, making it ideal for development and prototyping environments. The device supports a wide operating temperature range, ensuring stability in various conditions.  

The MX27C2000AQC-90 comes in a **32-pin ceramic quad flat package (CQFP)**, providing durability and efficient heat dissipation. Its pinout follows industry-standard configurations, facilitating straightforward replacement in legacy systems.  

Key applications include firmware storage, microcontroller-based systems, and archival data retention. While newer flash-based solutions have largely replaced EPROMs in modern designs, the MX27C2000AQC-90 remains a dependable choice for applications requiring proven technology and reprogrammability.  

For engineers working with older systems or seeking a robust EPROM solution, the MX27C2000AQC-90 offers a balance of speed, reliability, and flexibility.

Application Scenarios & Design Considerations

2M-BIT [256K x 8] CMOS EPROM

Alternative Part Number

  • AM29F200BB-90EC --: 2 Mbit flash memory in the same TSOP/PLCC class with 90 ns access time, a common drop-in replacement for MX27C2000 EPROMs in legacy designs.
  • SST39SF020A-70-4C-NHE --: 2 Mbit flash with 70 ns speed grade, pin-compatible with many 2 Mbit EPROM sockets and widely available as a modern substitute.
  • AT29C020-90JC --: 2 Mbit flash memory with 90 ns access time in PLCC package, functionally equivalent for code storage replacement of the MX27C2000A.

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