Microchip Technology

25AA256-E/SM

25AA256-E/SM Description

The 25AA256-E/SM is a high-performance, 256Kbit EEPROM memory IC from Microchip Technology, designed to meet the demands of modern electronic systems. With a memory organization of 32K x 8, this device provides ample storage capacity for various applications. The EEPROM technology ensures non-volatile storage, retaining data even when power is lost. The device operates over a wide voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply configurations.

25AA256-E/SM Features

• Memory Interface: The 25AA256-E/SM features a Serial Peripheral Interface (SPI) for communication, which is a popular choice for microcontrollers and other embedded systems due to its simplicity and efficiency.
• Clock Frequency: With a clock frequency of 10 MHz, this EEPROM offers fast data transfer rates, enhancing the performance of systems that require quick access to stored data.
• Write Cycle Time: The write cycle time for words or pages is 5ms, which is relatively fast for EEPROMs, allowing for efficient data updates.
• Memory Size: The 25AA256-E/SM boasts a generous 256Kbit of memory, providing ample space for storing large amounts of data.
• Technology: Utilizing EEPROM technology, this device offers the benefits of non-volatile memory with the ability to be rewritten in-system.
• Voltage - Supply: The wide voltage range of 1.8V to 5.5V makes it compatible with various power sources, enhancing its versatility.
• ECCN: Classified as EAR99, indicating that it is not subject to export controls under the Export Administration Regulations.
• RoHS Status: The device is compliant with the RoHS3 directive, ensuring environmental responsibility in its manufacturing process.
• Mounting Type: Surface mount technology allows for compact integration into printed circuit boards, suitable for space-constrained applications.

25AA256-E/SM Applications

The 25AA256-E/SM is ideal for applications that require reliable, non-volatile storage with fast access times. Some specific use cases include:

• Industrial Automation: Storing configuration settings and operational data in PLCs and other control systems.
• Consumer Electronics: Saving user preferences and firmware updates in devices like smart home appliances.
• Automotive: Storing calibration data and system settings in modern vehicle infotainment systems.
• Medical Devices: Ensuring patient data and device configurations are retained even in the event of power loss.

Conclusion of 25AA256-E/SM

The 25AA256-E/SM from Microchip Technology stands out in the EEPROM market due to its combination of high memory capacity, fast write cycle times, and a wide operating voltage range. Its SPI interface and surface mount packaging make it a versatile choice for a wide array of applications, from consumer electronics to industrial control systems. With its RoHS compliance and EAR99 classification, the 25AA256-E/SM is not only a technologically advanced solution but also an environmentally and export-conscious one.