The M93C66-WDW6TP is a 4Kbit (512 x 8 or 256 x 16) serial Electrically Erasable Programmable Memory (EEPROM) offered by STMicroelectronics. This EEPROM device provides robust data storage with a flexible serial interface, making it ideal for a wide range of applications in industrial, automotive, and consumer electronics.

Key Features

• Memory Size: 4Kbit, organized as either 512 bytes (8 bits each) or 256 words (16 bits each), selectable through the instruction set.
• Serial Interface: Supports Serial Peripheral Interface (SPI) bus for easy integration with a wide range of microcontrollers.
• Operating Voltage Range: 2.5V to 5.5V, allowing for use in both 3.3V and 5V systems.
• Write Cycle Time: Fast write cycle time of 5ms with byte and page write support, enhancing performance for write-intensive applications.
• High Reliability: Endurance of 1 Million write cycles and data retention of 40 years, ensuring data persistence over a long period.
• Temperature Range: Industrial temperature range from -40°C to +85°C, suitable for harsh environments.
• Packaging: Available in an 8-pin TSSOP package, providing a compact footprint for space-constrained applications.

Applications

The M93C66-WDW6TP EEPROM is versatile and can be used in a variety of applications, including:

• Automotive systems
• Portable devices
• Medical devices
• Industrial control systems
• Consumer electronics

Easy to Use

This EEPROM comes with a self-timed write cycle with auto-clear, simplifying the write operation. It also includes a write protect pin to prevent inadvertent writes, which is essential for critical data protection. A ready/busy status signal is available to indicate the completion of the write cycle, thereby improving the management of write operations.

Support and Resources

STMicroelectronics provides extensive support for the M93C66-WDW6TP, including detailed datasheets, technical documentation, and application notes. Customers can also benefit from ST's world-class customer support and community forums for any design and implementation queries.