CAT1641WI-42-GT3

Supervisors Overview

The CAT1641WI-42-GT3 is a voltage supervisory circuit manufactured by onsemi, designed for CPU monitoring applications. It operates within a supply voltage range of 3 V to 5.5 V and features an SOIC-8 surface-mount package. The device monitors a single input with threshold voltages of 3 V, 3.3 V, and 5 V. It provides active high and open drain outputs, includes manual reset functionality, and has a reset delay time of 270 ms. The component supports a maximum power dissipation of 1 W and functions across an operating temperature range from -40°C to +85°C.

Supervisors Feature Summary

• Integrates CPU supervision with 64K EEPROM support for system integrity
• Provides manual reset capability for controlled system recovery
• Features open drain output configuration for flexible interfacing

Supervisors Applications

• CPU voltage monitoring in embedded systems
• System reset management for microcontroller units
• Power supply supervision in industrial control equipment

Supervisors Procurement Notes

Verify current availability status as the component may be discontinued or subject to limited distribution. Confirm RoHS compliance details through official manufacturer documentation before integration. Check specific ordering suffixes to ensure correct packaging and variant selection. Validate pinout compatibility with existing PCB layouts during design-in phase.

Supervisors Selection Notes

Select this component when integrated CPU supervision and non-volatile memory storage are required in a compact SOIC-8 package. Ensure the operating voltage range aligns with the target system's power rails. Consider the manual reset feature if hardware-based user intervention is necessary for system recovery. Verify thermal performance meets the application's power dissipation requirements.

Supervisors Part Context

This part belongs to the CAT1641 series of supervisory circuits, which combine voltage monitoring with EEPROM capabilities. It is categorized under PMIC - Power Management ICs and specifically Voltage Supervisory types. The series targets applications requiring reliable system reset management alongside data retention for critical parameters.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for end-of-life notifications or recommended alternatives.