The NM24C08LM8 is an 8Kb serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by ON Semiconductor (formerly Fairchild Semiconductor). It's organized as 1024 x 8 bits and accessed via a simple 2-wire serial interface, making it ideal for storing small amounts of configuration data, calibration constants, and user preferences in a wide range of applications.
Applications
- Consumer Electronics: Storing user settings in TVs, DVD players, and set-top boxes.
- Automotive: Storing calibration data in engine control units (ECUs) and other automotive systems.
- Industrial Control: Storing configuration parameters in programmable logic controllers (PLCs) and other industrial equipment.
- Medical Devices: Storing calibration data and patient information in medical instruments.
- Computer Peripherals: Storing configuration information in printers, scanners, and other peripherals.
Features
- 8Kb (1024 x 8) EEPROM: Provides 8192 bits of non-volatile storage.
- 2-Wire Serial Interface (I2C): Simplifies interfacing with microcontrollers and other devices.
- Low Voltage Operation: Typically operates from a 1.8V to 5.5V power supply.
- Low Power Consumption: Minimizes power consumption in battery-powered applications.
- Write Protection: Prevents accidental data corruption.
- Self-Timed Write Cycle: Simplifies write operations.
- High Endurance: Typically specified for 1 million write cycles per byte.
- Small Package Size: Available in space-saving packages like SOIC and TSSOP.
Benefits
- Non-Volatile Storage: Retains data even when power is removed.
- Easy to Use: Simple 2-wire interface simplifies integration.
- Low Power Consumption: Extends battery life in portable applications.
- High Reliability: Ensures data integrity and reliability.
- Cost-Effective: Provides a cost-effective solution for non-volatile storage.
Additional Details
The NM24C08LM8 communicates via the I2C protocol, requiring only two pins (SDA and SCL) for communication. The device address is configurable, allowing multiple EEPROM devices to share the same I2C bus. The datasheet provides detailed specifications on the timing characteristics, operating voltage range, and operating temperature range. The write cycle is self-timed, meaning the host microcontroller does not need to wait for the write operation to complete.