Overview of Microchip Technology AT24C04C-SSHM-T
The AT24C04C-SSHM-T is a 4Kb (512 x 8) electrically erasable programmable read-only memory (EEPROM) device from Microchip Technology. This memory chip is designed for applications requiring non-volatile storage, where data retention is essential even when power is removed. The device utilizes a two-wire I2C interface, making it suitable for various embedded systems and consumer electronics.
Key Specifications
- Memory Size: 4 Kbit (512 x 8 bits)
- Interface Type: I2C (Two-wire)
- Operating Voltage Range: 1.7V to 5.5V
- Maximum Clock Frequency: 1 MHz
- Write Cycle Time: 5 ms (typical)
- Data Retention: 100 years at 25°C
- Endurance: 1,000,000 write/erase cycles
- Package Type: SOT23-5
- Temperature Range: -40°C to +85°C
Electrical Characteristics
The AT24C04C-SSHM-T operates over a wide voltage range, which allows it to be used in battery-operated devices as well as in systems powered by standard power supplies. The device's low operating current makes it energy-efficient, further enhancing its suitability for portable applications.
The maximum clock frequency of 1 MHz ensures fast data transfer rates over the I2C bus, enabling efficient communication between the EEPROM and microcontrollers or other devices. The write cycle time of approximately 5 ms allows for quick updates to stored data, making it ideal for applications that require frequent data changes.
Memory Architecture
The memory architecture of the AT24C04C consists of a total of 512 bytes organized into pages. Each page can be written to in a single operation, which simplifies the process of updating multiple bytes at once. This feature enhances the efficiency of data storage and retrieval processes.
Applications
The AT24C04C-SSHM-T EEPROM is versatile and can be utilized in numerous applications:
1. Microcontroller Memory Expansion: It provides additional non-volatile memory for microcontrollers that may have limited onboard storage.
2. Configuration Storage: Ideal for storing configuration settings or calibration data that must persist after power loss.
3. Data Logging: Useful in applications where sensor readings or user inputs need to be logged without losing information when power is removed.
4. Consumer Electronics: Commonly found in devices like remote controls, home appliances, and wearable technology where small form factors are crucial.
Package Type
The AT24C04C-SSHM-T comes in a compact SOT23-5 package, which minimizes board space usage while maintaining good thermal performance. This small footprint makes it particularly advantageous for use in portable and compact electronic designs.
Reliability and Endurance
With an endurance rating of up to 1 million write/erase cycles, the AT24C04C-SSHM-T is built to withstand extensive use without compromising performance. Its long data retention capability of up to 100 years ensures that critical information remains intact even under harsh conditions.
Conclusion
In summary, the Microchip Technology AT24C04C-SSHM-T EEPROM offers an efficient solution for non-volatile memory needs across various applications. With its robust specifications, low power consumption, and ease of integration via I2C communication, this device meets the demands of modern electronic designs while providing reliable performance over an extended lifespan. Whether used in consumer electronics or industrial applications, the AT24C04C-SSHM-T delivers dependable data storage capabilities that enhance overall system functionality.
