The CAT93C46V26690T is a 1-Kb Microwire Serial CMOS EEPROM from Catalyst Semiconductor. This memory device is designed for low-power applications and offers reliable non-volatile storage.

Applications

• Consumer Electronics: Used in devices such as remote controls, small appliances, and other electronic gadgets requiring non-volatile memory.
• Industrial Control: Integrated into industrial sensors, meters, and control systems for parameter and configuration storage.
• Medical Devices: Employed in portable medical devices for storing calibration data and device settings.
• Automotive Electronics: Utilized in car alarms, immobilizers, and other automotive systems for secure storage of configuration information.
• Identification Systems: Found in RFID tags and other identification systems for storing unique identification data.

Features

• 1-Kb EEPROM: Provides 1 kilobit of electrically erasable and programmable read-only memory.
• Microwire Interface: Supports the Microwire serial communication protocol, facilitating easy interface with microcontrollers.
• Low-Power Operation: Operates with low power consumption, suitable for battery-powered devices.
• Self-Timed Write Cycle: Simplifies write operations with a self-timed write cycle.
• Write Protect Feature: Prevents accidental modification of data with a write protect function.
• High Reliability: Ensures long-term reliability with high endurance and data retention.
• RoHS Compliant: Complies with the Restriction of Hazardous Substances (RoHS) directive.

Benefits

• Non-Volatile Storage: Retains data even when power is off, ensuring crucial information is maintained.
• Easy Integration: The Microwire interface simplifies integration into a wide range of microcontrollers.
• Low Power Consumption: Maximizes battery life in portable applications due to its low-power operation.
• Data Integrity: Prevents unintentional data overwrites with the write protect feature.
• Long-Term Reliability: Offers stable and dependable performance over a long operational lifespan.

Technical Specifications

The CAT93C46V26690T operates within a temperature range of -40°C to +85°C. It is available in packages such as SOIC and TSSOP. The device features an endurance of 1 million write cycles per byte and a data retention guarantee of 100 years. It supports a Microwire clock frequency up to 2 MHz. This EEPROM is designed to be highly reliable and suitable for a variety of embedded systems requiring secure non-volatile memory.