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AT27C256R-45JI

AT27C256R-45JI Description

The AT27C256R-45JI is an EPROM (Erasable Programmable Read-Only Memory) IC chip manufactured by Microchip Technology. This memory device features a parallel memory interface and is organized as 32K x 8, providing a total memory size of 256 Kbit. It is designed for surface mount applications and comes in a 32-pin PLCC (Plastic Leaded Chip Carrier) package, which is housed in a tube. The AT27C256R-45JI operates within a supply voltage range of 4.5V to 5.5V and has an access time of 45 ns, ensuring fast data retrieval. This product is classified under HTSUS code 8542.32.0061 and has a Moisture Sensitivity Level (MSL) of 2 (1 Year). It is important to note that the product status is obsolete, and its REACH status is unaffected.

AT27C256R-45JI Features

• Memory Organization: The AT27C256R-45JI is organized as 32K x 8, offering a total of 256 Kbit of memory. This organization allows for efficient storage and retrieval of data in 8-bit chunks.
• Access Time: With an access time of 45 ns, this EPROM ensures rapid data access, making it suitable for applications requiring quick read operations.
• Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply design.
• Parallel Interface: The parallel memory interface allows for high-speed data transfer, which is crucial for applications requiring fast data processing.
• Surface Mount Technology: The surface mount mounting type ensures reliable and compact integration into modern electronic circuits.
• Moisture Sensitivity Level: The MSL rating of 2 (1 Year) indicates that the device is relatively insensitive to moisture, which is beneficial for manufacturing processes involving reflow soldering.
• Obsolete Status: While the product is marked as obsolete, it remains a viable option for legacy systems and applications where its specific features are still required.

AT27C256R-45JI Applications

The AT27C256R-45JI is ideal for a variety of applications, particularly those that require non-volatile memory with fast access times and a parallel interface. Some specific use cases include:

• Embedded Systems: The fast access time and parallel interface make it suitable for embedded systems where quick data retrieval is essential.
• Legacy Systems: For older systems that still rely on EPROM technology, the AT27C256R-45JI provides a reliable and compatible memory solution.
• Firmware Storage: It can be used to store firmware for microcontrollers and other embedded devices, ensuring that the system can boot and operate correctly.
• Industrial Control Systems: The robustness and reliability of the AT27C256R-45JI make it suitable for industrial control systems where data integrity and quick access are critical.

Conclusion of AT27C256R-45JI

The AT27C256R-45JI is a robust and reliable EPROM IC chip that offers a balance of performance and compatibility. Its fast access time, parallel interface, and surface mount design make it suitable for a wide range of applications, particularly in embedded systems and legacy technologies. Despite its obsolete status, the AT27C256R-45JI remains a valuable component for systems that require its specific features and performance characteristics.