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AT27C256R-15PA

AT27C256R-15PA Description

The AT27C256R-15PA is an EPROM (Erasable Programmable Read-Only Memory) device manufactured by Microchip Technology. This 256Kbit memory IC features a parallel memory interface and is organized in a 32K x 8 configuration. The device is housed in a through-hole package and is available in a tube format. With an access time of 150 ns, it offers reliable and efficient data storage and retrieval capabilities. The AT27C256R-15PA operates within a supply voltage range of 4.5V to 5.5V, making it suitable for a variety of applications requiring stable and robust memory solutions. Although the product is now obsolete, its legacy continues to influence the design and functionality of modern memory devices.

AT27C256R-15PA Features

• Memory Organization: The AT27C256R-15PA features a 32K x 8 memory organization, providing a total storage capacity of 256Kbit. This configuration allows for efficient data storage and retrieval, making it ideal for applications requiring large amounts of non-volatile memory.
• Parallel Interface: The parallel memory interface enables high-speed data transfer, ensuring that the device can quickly read and write data. This feature is particularly beneficial in applications where rapid data access is critical.
• Access Time: With an access time of 150 ns, the AT27C256R-15PA delivers fast and reliable performance. This short access time ensures that data can be retrieved quickly, minimizing delays and improving overall system efficiency.
• Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements. This wide voltage range ensures compatibility with various power sources, making the device suitable for a broad range of applications.
• Through-Hole Mounting: The through-hole mounting type ensures secure and reliable installation on printed circuit boards. This mounting method is ideal for applications requiring high reliability and durability.
• Moisture Sensitivity Level: The AT27C256R-15PA has a moisture sensitivity level (MSL) of 1 (unlimited), indicating that it is not sensitive to moisture. This feature enhances the device's reliability in various environmental conditions.
• Obsolete Status: While the AT27C256R-15PA is now obsolete, its legacy and performance characteristics continue to be relevant for historical and reference purposes. Engineers and designers can still benefit from understanding its capabilities and applications.

AT27C256R-15PA Applications

The AT27C256R-15PA is well-suited for a variety of applications where non-volatile memory is required. Some specific use cases include:

• Embedded Systems: The device's fast access time and reliable performance make it ideal for embedded systems requiring efficient data storage and retrieval. It can be used in microcontrollers, microprocessors, and other embedded devices to store firmware and critical data.
• Industrial Control: In industrial control systems, the AT27C256R-15PA can be used to store configuration data, calibration parameters, and other essential information. Its robustness and reliability ensure that data remains intact even in harsh industrial environments.
• Telecommunications: The device's parallel interface and fast access time make it suitable for telecommunications applications, such as storing network configuration data and firmware for communication devices.
• Consumer Electronics: In consumer electronics, the AT27C256R-15PA can be used to store firmware and other non-volatile data. Its through-hole mounting type ensures secure installation on printed circuit boards, making it ideal for durable and reliable consumer products.

Conclusion of AT27C256R-15PA

The AT27C256R-15PA is a robust and reliable EPROM device that offers a range of features and benefits. Its 32K x 8 memory organization, parallel interface, and fast access time make it suitable for a variety of applications requiring efficient data storage and retrieval. The device's wide voltage range, through-hole mounting type, and moisture sensitivity level further enhance its reliability and versatility. Although the AT27C256R-15PA is now obsolete, its legacy continues to influence the design and functionality of modern memory devices. Engineers and designers can still benefit from understanding its capabilities and applications, making it a valuable reference in the field of memory ICs.