The CAT25C04PI is a 4Kb Serial CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) device manufactured by Catalyst Semiconductor (now ON Semiconductor). It's organized as 512 x 8 bits and communicates via a Serial Peripheral Interface (SPI) bus. This EEPROM is designed for low-power, non-volatile data storage in various electronic systems.
Applications
- Storage of configuration data in electronic devices
- Storing serial numbers and identification information
- Storing calibration data for sensors
- Storing user preferences in consumer electronics
- Data logging in embedded systems
Features
- 4Kb (512 x 8) EEPROM
- SPI interface (supports modes 0,0 and 1,1)
- Low power CMOS technology
- Self-timed write cycle
- Write protect feature
- Software write protect
- Endurance: 1,000,000 write cycles
- Data retention: 100 years
- 8-Pin PDIP package
Benefits
- Reliable non-volatile data storage for critical system parameters.
- Easy integration with microcontrollers via the SPI interface.
- Low power consumption makes it suitable for battery-powered applications.
- High endurance and data retention ensure long-term data integrity.
- Write protect features prevent accidental data corruption.
Technical Specifications
The CAT25C04PI operates at a voltage range of 1.8V to 5.5V. It has a typical standby current of less than 1µA. The SPI clock frequency can reach up to 10 MHz. The write cycle time is typically 5 ms. It's available in an 8-pin PDIP package.
