The DM28C64-250/B is a high-performance, low-power CMOS electrically erasable programmable read-only memory (EEPROM) manufactured by SEEQ. It's organized as 8192 words by 8 bits, providing a total storage capacity of 64 Kbits. This EEPROM offers non-volatile data storage, meaning it retains data even when power is removed, making it suitable for applications requiring data preservation.
Applications:
- Data logging: Storing sensor data or system parameters in embedded systems.
- Configuration storage: Holding configuration settings for various devices.
- Firmware storage: Storing boot code or application code for microcontrollers and embedded processors.
- Calibration data storage: Storing calibration coefficients for sensors and other measurement devices.
- User profiles: Saving user preferences in electronic devices.
Features:
- 64 Kbit (8K x 8) Organization: Provides ample storage capacity for various data types.
- Fast Access Time: 250 ns access time ensures quick data retrieval.
- Low Power Consumption: Minimizes power requirements, suitable for battery-powered applications.
- Automatic Page Write Operation: Simplifies the write process and reduces software overhead.
- Data Polling for End-of-Write Detection: Allows efficient monitoring of write operations.
- Endurance: High endurance ensures long-term reliability.
Benefits:
- Reliable Data Storage: Non-volatile nature ensures data is retained even without power.
- Fast Operation: Quick access time enables efficient data retrieval.
- Low Power Consumption: Extends battery life in portable devices.
- Simplified Write Operations: Automatic page write simplifies programming.
- Easy Integration: Standard interface allows easy integration into existing systems.
Additional Details:
The DM28C64-250/B operates from a single 5V power supply. The memory array is accessed through a standard parallel interface. It features an automatic page write mode, which allows for writing up to 64 bytes of data in a single operation. Data polling is implemented to provide a simple method for detecting the end of a write cycle. The device is typically available in a DIP or SOIC package. It is designed for use in a wide range of operating temperatures.