The FM93S66LEM8 is a 4Kb Microwire Serial EEPROM. It is organized as 256 x 16 bits and operates with a Microwire serial interface. This device is designed for low-power and low-voltage applications, making it suitable for portable devices and battery-powered systems.

Applications

• Portable electronics (e.g., MP3 players, handheld devices)
• Remote controls
• Smart sensors
• Data logging applications
• Configuration storage

Features

• 4Kb (256 x 16) bit organization
• Microwire serial interface
• Low voltage operation (1.8V to 5.5V)
• Low power consumption
• Self-timed write cycle
• Write protect feature
• High reliability with 1,000,000 erase/write cycles endurance
• Data retention > 100 years
• Available in SOIC and TSSOP packages

Benefits

• Non-volatile memory ensures data is retained without power.
• Microwire interface simplifies integration into microcontroller-based systems.
• Low voltage and low power consumption extend battery life in portable applications.
• Write protect prevents accidental data corruption.
• High endurance and data retention provide long-term reliability.

Additional Details

The FM93S66LEM8 uses a simple 4-wire Microwire interface for communication. It features a self-timed write cycle, eliminating the need for external timing components. The write protect function can be enabled to prevent accidental overwriting of data. The device is designed to operate over a wide temperature range. The specific operating temperature range, write cycle time, and other electrical characteristics are detailed in the device datasheet. It is commonly used for storing small amounts of data, such as configuration settings, calibration parameters, or user preferences. The SOIC and TSSOP packages offer flexibility in board layout and assembly.