The ST95040W3 is a high-performance 4-Kbit serial EEPROM manufactured by STMicroelectronics. This EEPROM device is designed for flexible non-volatile storage applications in a wide range of electronic devices. It utilizes the industry-standard SPI (Serial Peripheral Interface) protocol, ensuring compatibility with a vast array of microcontroller units (MCUs).

Key Features

• Memory Size: 4 Kbits of EEPROM, organized as 512 x 8 bits, allowing for efficient data storage and management.
• Interface: SPI bus compatible serial interface, supporting up to 5 MHz clock frequencies for rapid data transfer.
• Write Protection: Features hardware and software write protection, including a Write Protect (WP) pin and status register bit control.
• Supply Voltage: Operates across a wide supply voltage range from 2.5V to 5.5V, making it suitable for various power supply conditions.
• Temperature Range: Industrial temperature range from -40°C to 85°C ensures reliable operation under extreme conditions.
• Endurance: High reliability with 1 million write cycles and over 40-year data retention.

Applications

The ST95040W3 EEPROM is ideal for a variety of applications where reliable and persistent storage is required. This includes, but is not limited to:

• Consumer electronics
• Industrial automation systems
• Automotive systems
• Smart cards
• Medical devices
• Personal computers

Quality and Support

STMicroelectronics ensures the highest quality of its products, and the ST95040W3 EEPROM is no exception. Customers can expect robust support and comprehensive technical documentation, including datasheets, application notes, and design resources to facilitate seamless integration into their projects.

For designers and engineers looking for a reliable EEPROM solution with a small form factor, the ST95040W3 offers the perfect blend of performance, durability, and ease-of-use, backed by STMicroelectronics' reputation in the semiconductor industry.