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MSM27C401CZ from OKI

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MSM27C401CZ

Manufacturer: OKI

524,288-Word x 8-Bit One Time PROM

Partnumber Manufacturer Quantity Availability
MSM27C401CZ OKI 12 In Stock

Description and Introduction

524,288-Word x 8-Bit One Time PROM # Introduction to the MSM27C401CZ EPROM  

The **MSM27C401CZ** is a high-performance **4 Megabit (512K × 8-bit) UV-erasable programmable read-only memory (EPROM)** designed for applications requiring non-volatile data storage. Manufactured with advanced CMOS technology, this component offers fast access times, low power consumption, and high reliability, making it suitable for embedded systems, industrial controls, and legacy computing applications.  

Featuring a **single 5V power supply**, the MSM27C401CZ ensures compatibility with standard TTL logic levels. It supports a **wide operating temperature range**, enhancing its use in demanding environments. The device is organized in a byte-wide configuration, simplifying integration with 8-bit microprocessors and microcontrollers.  

A key characteristic of this EPROM is its **UV-erasability**, allowing multiple reprogramming cycles after exposure to ultraviolet light. This feature is particularly useful during firmware development and system debugging. The chip also includes a **programming voltage (VPP)** input for writing data, ensuring secure and efficient programming.  

With a **maximum access time of 150 ns**, the MSM27C401CZ delivers reliable performance for time-sensitive applications. Its **tri-state outputs** facilitate bus sharing in multi-device configurations, improving system flexibility.  

For engineers working with legacy systems or requiring robust, reprogrammable memory, the MSM27C401CZ remains a dependable choice, balancing speed, endurance, and ease of use. Proper handling of UV exposure and programming procedures is essential to maximize its lifespan and performance.

Application Scenarios & Design Considerations

524,288-Word x 8-Bit One Time PROM

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