CAT1022WI-28-GT3

Supervisors Overview

The CAT1022WI-28-GT3 is a voltage supervisory circuit manufactured by onsemi, designed for CPU supervision with integrated 2K EEPROM. It operates within a supply voltage range of 2.7 V to 5.5 V and features a manual reset input. The device provides an open-drain output with a reset delay time of 5 us. It includes a watchdog timer function and supports a threshold voltage of 2.8 V. The component is housed in an SOIC-Wide-8 package and operates across a temperature range of -40 C to +85 C.

Supervisors Feature Summary

• Integrates CPU supervision with non-volatile memory storage
• Includes built-in watchdog timer functionality
• Supports manual reset input capability

Supervisors Applications

• CPU power supply monitoring systems
• Embedded controller reset circuits
• Data retention backup applications

Supervisors Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity and pin alignment against datasheet specifications. Validate electrical parameters under operating conditions to ensure compliance with system requirements prior to integration.

Supervisors Selection Notes

Evaluate the trade-off between integrated EEPROM capacity and supervisory functions. Consider the specific reset delay characteristics and watchdog timing requirements. Assess thermal performance within the specified operating temperature range for reliable long-term operation.

Supervisors Part Context

This part belongs to the CAT1022 series of supervisory circuits. It combines voltage monitoring with data storage capabilities. The series targets applications requiring robust system reset management alongside persistent configuration data storage in compact packages.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components using official cross-reference tools.