The ST93C46CM3 from STMicroelectronics is a robust and reliable serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuit designed for high-performance data storage and retrieval applications. This compact, microwire 1K (64 x 16 or 128 x 8) EEPROM is an ideal solution for a wide range of electronic devices requiring non-volatile memory storage.

Key Features

• Memory Size: 1 Kbit, organized as either 64 words of 16 bits or 128 words of 8 bits, user-selectable through an external pin.
• Serial Interface: Compatible with the microwire bus protocol, the ST93C46CM3 ensures seamless integration with most microcontrollers and is suitable for serial communication.
• Write Protection: Offers hardware protection for the entire memory area, ensuring data integrity during device operation.
• Self-Timed Write Cycle: Includes an auto-erase and auto-write cycle with a maximum write time of 5 ms, providing efficient data management without the need for external timers.
• Wide Operating Voltage Range: Designed to operate within a voltage range of 4.5V to 5.5V, making it versatile for various applications and system designs.
• High Reliability: Guarantees data retention for up to 40 years and supports a minimum of 1 million erase/write cycles, ensuring long-term data storage.
• Temperature Range: Operates over a wide temperature range from -40°C to +85°C, suitable for industrial applications.

Applications

The ST93C46CM3 is designed for flexible and reliable data storage in a variety of applications, including:

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

Package Information

The device is available in a compact SO8N surface-mount package, which is ideal for space-constrained applications. Its small form factor and low power consumption make it a practical choice for modern electronic designs.

With its combination of durability, reliability, and ease of integration, the ST93C46CM3 from STMicroelectronics represents a dependable solution for designers looking to enhance their products with secure and efficient non-volatile memory storage.