onsemi

CAT1161WI-28-T3

CAT1161WI-28-T3 Description

The CAT1161WI-28-T3 is a high-performance supervisor IC designed by onsemi, featuring a 16K EEPROM in an 8-SOIC package. This device is specifically engineered to monitor a single voltage with a threshold of 2.85V, ensuring reliable system operation and protection against power supply anomalies. The CAT1161WI-28-T3 offers a reset timeout of at least 130ms, providing ample time for system stabilization during power-up or brown-out conditions. The output is configured as open drain or open collector, offering flexibility in system design. The reset functionality is versatile, supporting both active high and active low configurations, which enhances its compatibility with a wide range of microcontrollers and processors.

CAT1161WI-28-T3 Features

• Single Voltage Monitoring: The CAT1161WI-28-T3 is designed to monitor a single voltage with a precise threshold of 2.85V, ensuring accurate detection of power supply deviations.
• Reset Timeout: A minimum reset timeout of 130ms provides sufficient time for system components to stabilize, preventing erratic behavior during power transitions.
• Output Configuration: The open drain or open collector output allows for flexible integration into various system architectures, accommodating different logic levels and pull-up resistor requirements.
• Reset Functionality: The device supports both active high and active low reset configurations, enhancing its adaptability to different microcontroller and processor reset requirements.
• Surface Mount Packaging: The surface mount package ensures ease of integration into modern PCB designs, facilitating automated assembly processes and improving overall system reliability.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the CAT1161WI-28-T3 is highly resistant to moisture, making it suitable for a wide range of environmental conditions.
• Compliance: The device is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and facilitating global distribution.

CAT1161WI-28-T3 Applications

The CAT1161WI-28-T3 is ideal for applications requiring reliable power supply monitoring and system reset functionality. Its precise voltage monitoring and flexible reset options make it suitable for a variety of electronic systems, including:

• Embedded Systems: Ensuring stable operation and proper initialization of microcontrollers and processors in embedded applications.
• Industrial Control: Providing robust power supply monitoring in industrial environments where reliability and uptime are critical.
• Telecommunications: Monitoring power supply levels in telecommunication equipment to prevent system failures and ensure continuous operation.
• Consumer Electronics: Enhancing the reliability of consumer devices by providing accurate power supply monitoring and system reset functions.

Conclusion of CAT1161WI-28-T3

The CAT1161WI-28-T3 from onsemi is a versatile and reliable supervisor IC designed to meet the demands of modern electronic systems. Its precise voltage monitoring, flexible reset options, and robust packaging make it an excellent choice for a wide range of applications. Despite its obsolete status, the CAT1161WI-28-T3 continues to offer unique advantages over similar models, including its precise reset timeout and versatile output configuration. For designers seeking a dependable and flexible supervisor IC, the CAT1161WI-28-T3 remains a compelling option.