The ST93S46W6 is a 1 Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) product from STMicroelectronics, designed to provide a robust and efficient non-volatile memory solution for various electronic applications. This device operates on the Serial Peripheral Interface (SPI) bus, which allows for easy integration into a wide array of microcontroller-based systems.

Key Features

• Memory Size: 1 Kbit with an organization of 64 x 16 or 128 x 8 bits selectable by software.
• Write Protection: Features write protect of the whole memory array.
• High-Speed Data Transfer: Supports SPI modes 0 (0,0) and 3 (1,1) for high-speed data communication.
• Operating Voltage Range: 2.5V to 5.5V, making it suitable for low-power applications.
• Write Cycle Time: Fast write cycle time of 5ms with byte and page write modes up to 16 bytes.
• Endurance: Capable of 1 million write cycles with a data retention of 40 years, ensuring data stability over a long period.
• Temperature Range: Industrial temperature range from -40°C to +85°C.
• Package: Available in SO8N and TSSOP8 packages to fit various design requirements.

Applications

The ST93S46W6 is a versatile memory chip that can be used in a multitude of applications where reliable non-volatile memory storage is essential. Some common applications include:

• Parameter storage for industrial controls
• Device configuration in communication products
• Consumer electronics settings preservation
• Automotive systems requiring long-term data retention

Conclusion

With its SPI bus compatibility, robust endurance, and wide operating voltage and temperature ranges, the ST93S46W6 from STMicroelectronics stands out as a reliable EEPROM choice for designers looking to enhance the memory capabilities of their systems. Its compact packaging options and comprehensive feature set make it an ideal choice for a variety of demanding applications.