Microchip Technology

AT27C256R-45JU

AT27C256R-45JU Description

The AT27C256R-45JU is a high-performance EPROM (Erasable Programmable Read-Only Memory) IC chip manufactured by Microchip Technology. This 256Kbit memory device is organized as 32K x 8, offering robust storage capabilities in a compact 32-pin PLCC (Plastic Leaded Chip Carrier) package. The AT27C256R-45JU is designed for surface mount applications, ensuring compatibility with modern PCB (Printed Circuit Board) designs and manufacturing processes.

This memory IC chip features a parallel memory interface, enabling efficient data transfer and communication with various microcontrollers and processors. The AT27C256R-45JU operates within a supply voltage range of 4.5V to 5.5V, ensuring reliable performance across a range of power supply conditions. With an access time of 45 nanoseconds, this EPROM chip delivers fast read operations, making it suitable for applications requiring quick data retrieval.

The AT27C256R-45JU is verified for DigiKey programmability, ensuring seamless integration and programming capabilities for users. The device is classified under ECCN (Export Control Classification Number) EAR99, indicating compliance with international export regulations. Additionally, the AT27C256R-45JU meets REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) and RoHS (Restriction of Hazardous Substances) standards, ensuring environmental compliance and suitability for use in various industries.

AT27C256R-45JU Features

• Memory Size: 256Kbit, organized as 32K x 8, providing ample storage for firmware and data.
• Access Time: 45 ns, ensuring rapid data retrieval and efficient system performance.
• Voltage Range: 4.5V to 5.5V, offering flexibility in power supply requirements.
• Memory Interface: Parallel, facilitating straightforward integration with microcontrollers and processors.
• Package Type: 32PLCC, suitable for surface mount applications and modern PCB designs.
• Moisture Sensitivity Level (MSL): Level 2 (1 Year), ensuring reliability in various environmental conditions.
• Compliance: REACH Unaffected and RoHS3 Compliant, meeting environmental and regulatory standards.
• Programmability: Verified for DigiKey programmability, simplifying the development and deployment process.

AT27C256R-45JU Applications

The AT27C256R-45JU is ideal for a wide range of applications where reliable and efficient data storage is required. Its fast access time and robust memory organization make it suitable for:

• Embedded Systems: Storing firmware and critical data in embedded devices.
• Industrial Control: Providing non-volatile storage for control systems and automation applications.
• Telecommunications: Storing configuration data and firmware for communication devices.
• Consumer: Electronics Ensuring reliable data storage in various consumer products.
• Automotive Electronics: Offering robust memory solutions for automotive control units and infotainment systems.

Conclusion of AT27C256R-45JU

The AT27C256R-45JU is a versatile and reliable EPROM IC chip that offers significant advantages over similar models. Its fast access time, robust memory organization, and compatibility with modern PCB designs make it an excellent choice for a variety of applications. The device's compliance with environmental and regulatory standards ensures its suitability for use in diverse industries. Whether used in embedded systems, industrial control, or consumer electronics, the AT27C256R-45JU provides reliable and efficient data storage, making it a valuable component in any electronic design.