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AT27C256R-45TC

AT27C256R-45TC Description

The AT27C256R-45TC is a high-performance EPROM (Erasable Programmable Read-Only Memory) device designed for a wide range of applications requiring reliable and efficient memory solutions. Manufactured by Microchip Technology, this 256Kbit EPROM is organized in a 32K x 8 configuration, offering a parallel memory interface for fast data access and transfer. The device operates within a voltage range of 4.5V to 5.5V and features an access time of 45 ns, ensuring high-speed performance. It is housed in a 28-pin TSOP (Thin Small Outline Package) and is suitable for surface mount applications, making it ideal for compact and space-constrained designs.

AT27C256R-45TC Features

• Memory Organization: The AT27C256R-45TC features a 32K x 8 memory organization, providing a total of 256Kbit of storage capacity. This organization allows for efficient data storage and retrieval, making it suitable for applications requiring moderate to large amounts of non-volatile memory.
• Access Time: With an access time of 45 ns, the AT27C256R-45TC ensures rapid data access, which is crucial for applications that require quick read operations. This high-speed performance helps in reducing system latency 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 and ensuring compatibility with various power sources.
• Operating Temperature: The AT27C256R-45TC is designed to operate within a temperature range of 0°C to 70°C, making it suitable for use in a variety of environmental conditions, including industrial and commercial applications.
• Moisture Sensitivity Level (MSL): The device has an MSL of 3 (168 hours), indicating its resistance to moisture, which is essential for maintaining reliability and performance in humid environments.
• Package Type: The 28TSOP package offers a compact and robust solution, ideal for surface mount applications. This package type allows for easy integration into modern printed circuit board (PCB) designs and ensures reliable mechanical and electrical connections.

AT27C256R-45TC Applications

The AT27C256R-45TC is well-suited for a variety of applications that require non-volatile memory with high-speed access and reliable performance. Some specific use cases include:

• Embedded Systems: Ideal for use in embedded systems where non-volatile storage is required for firmware or critical data. The high-speed access time ensures that the system can quickly retrieve necessary data, enhancing overall performance.
• Industrial Control: Suitable for industrial control applications where reliable memory storage and fast data access are essential. The operating temperature range and moisture sensitivity level make it robust enough to withstand harsh industrial environments.
• Consumer Electronics: Can be used in consumer electronics devices that require non-volatile memory for storing configuration data, firmware, or user settings. The compact TSOP package makes it suitable for space-constrained designs.
• Telecommunications: Useful in telecommunications equipment for storing configuration data and firmware. The high-speed access time and reliable performance ensure that the system can quickly retrieve and process data, maintaining efficient operation.

Conclusion of AT27C256R-45TC

The AT27C256R-45TC is a versatile and high-performance EPROM device that offers a combination of reliable storage, fast access times, and robust packaging. Its 32K x 8 memory organization and 45 ns access time make it an excellent choice for applications requiring efficient data storage and retrieval. The device's operating temperature range and moisture sensitivity level ensure its reliability in various environments, making it suitable for a wide range of applications, from embedded systems to industrial control. Despite being marked as obsolete, the AT27C256R-45TC remains a valuable component for designers seeking a proven and reliable memory solution.