The CAT1161JI-45 is a serial EEPROM manufactured by Catalyst Semiconductor (now Onsemi). It is a 16kb (2K x 8) non-volatile memory device accessed through a Microwire interface. This EEPROM provides a reliable and cost-effective solution for storing small amounts of data in various electronic systems.

Applications:

• Consumer Electronics: Used in set-top boxes, DVD players, and other consumer devices to store user preferences and system configuration data.
• Industrial Control: Integrated into industrial controllers and data loggers for storing calibration data, sensor readings, and operating parameters.
• Medical Equipment: Employed in medical devices such as patient monitors and diagnostic equipment for storing configuration settings and calibration information.
• Automotive Electronics: Utilized in automotive systems for storing vehicle identification numbers (VIN), immobilizer codes, and other critical data.
• Telecommunications: Used in network devices and telecommunications equipment for storing configuration data and network parameters.

Features:

• Microwire Serial Interface: Supports a simple 3-wire Microwire serial interface for easy communication with microcontrollers.
• 16kb (2K x 8) Memory Capacity: Provides 16kb of non-volatile memory for storing configuration data and other parameters.
• Low Voltage Operation: Operates from a single 1.8V to 5.5V power supply, making it suitable for low-power applications.
• Low Power Consumption: Minimizes power consumption in both active and standby modes, extending battery life in portable devices.
• Self-Timed Write Cycle: Simplifies the write process with a self-timed write cycle, eliminating the need for external timing components.
• Write Protect Feature: Prevents accidental data corruption with a hardware write protect input.
• High Endurance: Offers a minimum of 1,000,000 erase/write cycles, providing high endurance for frequent data updates.
• Data Retention: Offers a data retention of greater than 100 years.
• Operating Temperature Range: Operates over a wide industrial temperature range, typically -40°C to +85°C.

Benefits:

• Simple Interface: Simplifies integration with microcontrollers and other digital devices via the Microwire interface.
• Non-Volatile Memory: Retains data even when power is removed, ensuring long-term data storage reliability.
• Low Power Consumption: Minimizes power consumption in battery-powered devices.
• Robust Performance: Delivers reliable performance in harsh environments with its wide operating temperature range.
• Cost-Effective Solution: Provides a cost-effective solution for storing small amounts of data in various electronic systems.

Additional Details:

The CAT1161JI-45 utilizes a standard Microwire protocol for communication. The device is available in various packages, including PDIP, SOIC, and TSSOP. It is a reliable and cost-effective solution for storing configuration data and other parameters in a wide range of applications. The internal organization is 2048 x 8 bits. The clock frequency is typically up to 1 MHz.