The CAT25040 is a 4Kb SPI Serial CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Catalyst Semiconductor. It is designed for low-power applications requiring non-volatile data storage. This EEPROM uses a simple SPI (Serial Peripheral Interface) for communication with microcontrollers and other digital systems.

Applications

• Consumer electronics
• Industrial controls
• Medical devices
• Automotive systems
• Data loggers

Features

• SPI Serial Interface
• Low-Voltage Operation (2.5V to 5.5V)
• Low Power Consumption
• Self-Timed Write Cycle
• Hardware Write Protection
• High Reliability

Benefits

• Easy Interface: SPI interface simplifies connection to microcontrollers.
• Low Power: Suitable for battery-powered applications.
• Non-Volatile Storage: Retains data without power.
• Write Protection: Prevents accidental overwrites.
• Reliable Operation: Designed for robust performance in various environments.

Technical Specifications:

• Memory Size: 4Kb (512 x 8 bits)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature: -40°C to +85°C
• Write Cycle Time: Typically 5ms
• Data Retention: > 100 years
• Endurance: 1,000,000 Write Cycles
• Package: SOIC-8, TSSOP-8, PDIP-8 and other small packages