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AT27BV256-90RC

AT27BV256-90RC Description

The AT27BV256-90RC is a 256Kbit EPROM (Erasable Programmable Read-Only Memory) IC designed for parallel memory interface applications. Manufactured by Microchip Technology, this memory IC chip features a 32K x 8 memory organization, providing a total of 256Kbit of non-volatile storage. The device operates within a voltage range of 2.7V to 3.6V and 4.5V to 5.5V, making it suitable for a variety of power supply configurations. It has an access time of 90 ns, ensuring fast data retrieval and efficient performance in time-sensitive applications.

The AT27BV256-90RC is housed in a surface-mount package, specifically a 28SOIC (Small Outline Integrated Circuit) format, which is ideal for compact and space-constrained designs. The operating temperature range of 0°C to 70°C (TC) makes it suitable for use in standard industrial environments. The device is classified under ECCN EAR99 and HTSUS 8542.32.0061, and it complies with REACH regulations, being REACH unaffected. The moisture sensitivity level (MSL) is rated at 2 (1 year), indicating its robustness against moisture exposure.

AT27BV256-90RC Features

• Memory Organization: 32K x 8, providing a total of 256Kbit of storage.
• Access Time: 90 ns, ensuring rapid data access and high-speed performance.
• Voltage Range: Dual voltage options of 2.7V to 3.6V and 4.5V to 5.5V, offering flexibility in power supply requirements.
• Operating Temperature: 0°C to 70°C (TC), suitable for a wide range of industrial applications.
• Package Type: 28SOIC surface-mount package, ideal for compact designs.
• Memory Interface: Parallel, enabling efficient data transfer and compatibility with various systems.
• Compliance: REACH unaffected and ECCN EAR99, ensuring regulatory compliance.
• Moisture Sensitivity: MSL 2 (1 year), providing protection against moisture-related issues.

AT27BV256-90RC Applications

The AT27BV256-90RC is well-suited for applications requiring reliable non-volatile memory with fast access times. Its parallel memory interface and compact 28SOIC package make it ideal for embedded systems, industrial controls, and consumer electronics where space is a critical consideration. The dual voltage range allows for compatibility with both low-voltage and standard 5V systems, making it versatile for various power supply configurations.

Specific use cases include:

• Embedded Systems: For storing firmware and critical system parameters.
• Industrial Controls: For non-volatile storage of control algorithms and calibration data.
• Consumer Electronics: For storing boot code and configuration settings.
• Telecommunications: For storing configuration data in network equipment.

Conclusion of AT27BV256-90RC

The AT27BV256-90RC is a robust and versatile EPROM memory IC designed to meet the demands of modern electronic systems. Its fast 90 ns access time, dual voltage range, and compact 28SOIC package make it an excellent choice for applications requiring reliable non-volatile memory. Despite its obsolete status, the AT27BV256-90RC remains a valuable component for legacy systems and new designs where its unique features and performance benefits are required.