The BR25S256F-WE2 is a 256-Kbit SPI serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Rohm Semiconductor. This memory device is designed for storing configuration data, user preferences, and other non-volatile information in a variety of electronic systems. It uses a simple SPI interface for easy integration with microcontrollers and other digital devices.

Applications

• Consumer electronics (e.g., TVs, DVD players, set-top boxes)
• Industrial control systems
• Automotive electronics
• Medical equipment
• Data logging applications

Features

• Memory capacity: 256 Kbits (32K x 8 bits)
• Serial Peripheral Interface (SPI) compatible
• Operating voltage: 1.8V to 5.5V
• Low power consumption: 2.0 mA (max) read current, 5.0 mA (max) write current
• Write cycle time: 5 ms (typical)
• Write protect feature
• Endurance: 1,000,000 write cycles per byte
• Data retention: 100 years
• Package: SOP8

Benefits

• Non-volatile memory retains data even when power is removed.
• SPI interface simplifies communication with microcontrollers.
• Wide operating voltage range suits various applications.
• Low power consumption extends battery life in portable devices.
• Write protect feature prevents accidental data corruption.
• High endurance and data retention ensure long-term reliability.
• Compact SOP8 package saves board space.

Technical Specifications

The BR25S256F-WE2 operates from 1.8V to 5.5V, making it suitable for a wide range of applications. The operating temperature range is typically -40°C to +85°C. The SPI interface supports clock frequencies up to 10 MHz. The device has a typical write cycle time of 5 ms and features a write protect input to prevent accidental data modification. It offers high endurance, with 1,000,000 write cycles per byte, and guarantees data retention for 100 years. The package is a SOP8 package.

This SPI serial EEPROM is an excellent choice for applications requiring reliable non-volatile storage, ease of integration, and low power consumption.