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AT28C256-15TC

AT28C256-15TC Description

The AT28C256-15TC is a 256Kbit EEPROM memory IC from Microchip Technology, designed for parallel interfacing in a wide range of applications. This device features a 32K x 8 memory organization, offering a total of 32,768 bytes of non-volatile storage. It operates within a supply voltage range of 4.5V to 5.5V and is suitable for industrial environments with an operating temperature range of 0°C to 70°C. The AT28C256-15TC is housed in a 28-pin TSOP package, making it ideal for surface mount applications. Despite its obsolete status, it remains a reliable choice for legacy systems and specific applications requiring EEPROM memory.

AT28C256-15TC Features

• Memory Organization: 32K x 8, providing 32,768 bytes of EEPROM storage.
• Access Time: Fast 150 ns access time ensures efficient data retrieval.
• Write Cycle Time: 10ms for word and page writes, balancing speed and reliability.
• Voltage Range: Operates within 4.5V to 5.5V, ensuring compatibility with standard 5V systems.
• Memory Interface: Parallel interface for straightforward integration with microcontrollers and other digital systems.
• Moisture Sensitivity Level (MSL): MSL 3 (168 hours), suitable for surface mount assembly processes.
• Package Type: 28TSOP in a tray package, ideal for automated assembly lines.
• Compliance: REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

AT28C256-15TC Applications

The AT28C256-15TC is well-suited for a variety of applications where non-volatile memory is required. Its parallel interface and moderate access time make it ideal for embedded systems, industrial controls, and communication devices. Specific use cases include:

• Embedded Systems: Storing configuration data and firmware in embedded devices.
• Industrial Controls: Maintaining critical parameters and settings in industrial machinery.
• Communication Devices: Storing network configurations and device-specific data.
• Legacy Systems: Replacing or upgrading EEPROM memory in older systems where this part is specified.

Conclusion of AT28C256-15TC

The AT28C256-15TC from Microchip Technology is a robust EEPROM memory solution designed for parallel interfacing. Its 32K x 8 memory organization and 150 ns access time provide efficient data storage and retrieval. The 10ms write cycle time ensures reliable data writes without compromising performance. Despite being obsolete, its compatibility with standard 5V systems and surface mount assembly processes make it a viable option for specific applications and legacy systems. With its compliance with international regulations and suitable moisture sensitivity level, the AT28C256-15TC remains a reliable choice for engineers and designers in the electronics industry.