Microchip 256 kB Serial SPI EEPROM, 50 ns Access Time, 8-Pin SOIC Surface Mount 25LC256-I/SN

Microchip 25LC256-I/SN 256 kB Serial SPI EEPROM is a high-performance non-volatile memory device designed for industrial and automotive applications. It provides 256 Kbit of serial EEPROM memory organized as 32K x 8 bits, ideal for reliable data storage in embedded electronics.

This EEPROM operates with a Serial Peripheral Interface (SPI) featuring clock input (SCK), data in and out lines (SI, SO), and includes a hold pin to pause operations. It supports a maximum clock frequency of 10 MHz enabling rapid data transfers.

The memory supports a wide voltage range from a minimum supply of 2.5 V to a maximum of 5.5 V, making it compatible with a variety of power supply environments. The device offers endurance of over 1 million erase/write cycles and a data retention time exceeding 200 years, ensuring long-term dependable performance.

Built-in write protection features include block protection options, write enable latch, and a write-protect pin, enhancing data integrity. Additionally, power-on/off data protection circuitry prevents inadvertent writes during supply fluctuations.

The 8-pin SOIC surface mount package features compact dimensions of 4.9 mm length by 6 mm width, facilitating space-efficient PCB designs. It complies with the automotive AEC-Q100 standard, confirming suitability for automotive and rugged industrial environments.

Power consumption is optimized with a typical standby current of 1 μA and active read current of 6 mA. The device also provides robust ESD protection rated over 4000 V, enhancing resistance to electrostatic events.

Operates at maximum clock frequency of 10 MHz for efficient SPI communication. Memory organization of 32K words by 8 bits with 64-byte page structure. Built-in write protection and power-on/off data protection circuitry safeguard data integrity.

Wide operating temperature from -40°C to 85°C supports demanding industrial applications. Compact SOIC 8-pin surface mount form factor ensures easy PCB integration. Extensive data retention exceeding 200 years for long-term reliability.

Compliant with automotive AEC-Q100 standard for quality and robustness. Low standby current of 1 μA conserves power during idle states. ESD protection beyond 4000 V enhances device durability. Typical read current of 6 mA balances performance with efficiency.

This Microchip device is ideal for embedded systems requiring reliable non-volatile memory in industrial, automotive, and commercial electronics. Browse more EEPROM products on EnvMart for comprehensive memory solutions.