Microchip 512 kB Serial SPI EEPROM 50 ns 20 MHz 8-Pin SOIC Surface Mount 25LC512-I/SN

Microchip 25LC512-I/SN is a high-performance 512 kB Serial EEPROM with Serial Peripheral Interface (SPI), designed for efficient and reliable non-volatile data storage. Featuring a maximum clock frequency of 20 MHz and a fast random access time of 50 ns, it supports byte and page-level write operations, enabling quick and flexible memory management without requiring page or sector erase before writing.

This device operates over a broad voltage range from 2.5 V to 5.5 V and withstands industrial temperature conditions from -40°C to 85°C, making it ideal for use in industrial, automotive, and embedded system applications. The 8-pin SOIC surface mount package with dimensions of 4.9 mm length and 6 mm width fits compact designs and automated manufacturing processes.

Endurance of 1 million erase/write cycles combined with over 200 years of data retention assures long-term reliability for critical data storage needs. Built-in write protection features include power-on/off data protection circuitry, write-enable latch, and write-protect pin, safeguarding against unintended data corruption. The device meets the automotive standard AEC-Q100, reflecting its suitability for automotive electronic systems requiring high durability and quality.

The MPU provides a low standby current of 1 µA at 2.5 V and has differentiated supply current modes during read and write operations, optimizing power consumption. This EEPROM includes electronic signature support for device identification and supports sector write protection to safeguard memory sections as needed.

Maximum clock frequency of 20 MHz enables high-speed data transfers. Non-volatile memory with 1 million erase/write cycles endurance. Supports byte and 128-byte page write operations with no page or sector erase required.

Wide operating voltage range from 2.5 V to 5.5 V facilitates diverse applications. Operating temperature range from -40°C to 85°C suitable for industrial environments. Built-in write protection and power-on/off data protection circuitry ensure data integrity.

Low standby current of 1 µA at 2.5 V allows energy-efficient operation. Data retention exceeds 200 years, providing long-term reliability. Complies with automotive standard AEC-Q100 for enhanced quality assurance. Compact 4.9 mm x 6 mm SOIC package suitable for surface mount assembly.

This Microchip 25LC512-I/SN Serial EEPROM is well-suited for use in embedded systems, automotive electronics, industrial control equipment, instrumentation, and other applications requiring robust and reliable non-volatile memory with fast access and low power consumption. It is supplied in a convenient 8-pin SOIC package compatible with modern surface mount technology (SMT) assembly standards.

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