The M93C66-MN6TP is a 4 Kbit (512 x 8 or 256 x 16) serial Electrically Erasable Programmable Memory (EEPROM) manufactured by STMicroelectronics, a global leader in semiconductor solutions. This EEPROM device is part of ST's M93C series, which is renowned for its robustness and reliability in storing data that must be preserved during power loss or when power is turned off.

Key Features

• Memory Size: 4 Kbits of EEPROM memory, organized as either 512 bytes (8 bits each) or 256 words (16 bits each), selectable through an external pin.
• Interface: The device operates through a Serial Peripheral Interface (SPI) bus, ensuring easy integration with most microcontrollers and allowing for a simple, straightforward design.
• Write Protection: Features write control through a Write Protect (WP) pin and a software write protect, providing security for critical data sections.
• Operating Voltage Range: Versatile power supply range from 2.5V to 5.5V, catering to various application requirements and ensuring compatibility with both 3V and 5V systems.
• Write Cycle Time: Fast write cycle time of 5 ms (typical), enabling quick data updates and reducing wait times for write operations.
• Endurance: Offers high write endurance, with 1 million write cycles per byte or word and a data retention period of 40 years, assuring long-term data integrity.
• Temperature Range: Operates across a wide temperature range from -40°C to 85°C, making it suitable for industrial applications.
• Package: Supplied in an 8-lead, plastic Thin Dual In-line Package (TSSOP), which is ideal for space-constrained applications.

Applications

The M93C66-MN6TP EEPROM is utilized in a diverse array of applications due to its non-volatile nature and robustness. It is commonly found in:

• Automotive systems for configuration and calibration storage
• Industrial applications for parameter storage and device configuration
• Consumer electronics for setting preservation and user preference storage
• Telecommunication devices for identity modules and SIM cards

With its combination of high reliability, flexibility, and ease of integration, the M93C66-MN6TP from STMicroelectronics is an excellent choice for designers looking for a non-volatile memory solution that can withstand the rigors of demanding applications.