CAT1162WI-45-G

Supervisors Overview

The CAT1162WI-45-G is a supervisory circuit manufactured by onsemi, designed for microcontroller-based systems. It integrates a 16K serial CMOS EEPROM with hardware write protection and a precision reset controller. The device monitors a single voltage input with a threshold of 4.5 V and an overvoltage threshold of 4.75 V. It operates within a supply voltage range of 2.7 V to 6 V. The reset delay time is specified at 270 ms. The component supports manual reset functionality and offers active high, active low, and open drain output types. It is housed in an 8-SOIC package and functions within a temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Integrates 16K serial EEPROM with hardware memory write protection
• Provides brown-out protection via precision reset controller
• Supports multiple output configurations including active high, active low, and open drain

Supervisors Applications

• Microcontroller system power supervision
• Embedded systems requiring non-volatile data storage
• Hardware-managed memory protection applications

Supervisors Procurement Notes

Verify the specific suffix 'G' against official documentation to confirm lead-free status and RoHS compliance details. Confirm package dimensions match the SOIC-8 specification. Check current lifecycle status as some variants may be discontinued. Ensure the 4.5V threshold aligns with target system requirements before integration.

Supervisors Selection Notes

Select this component when both supervisory monitoring and 16K EEPROM storage are required in a single package. Compare with CAT1161 if a watchdog timer is needed, as the CAT1162 lacks this feature. Verify that the 4.5V threshold matches the monitored rail voltage. Consider the 8-SOIC package size for PCB layout constraints.

Supervisors Part Context

This part belongs to the CAT116x series of supervisory circuits from onsemi. It is functionally similar to the CAT1161 but excludes the integrated watchdog timer. The series provides a combined solution for memory and power management. Other variants include different voltage thresholds and packaging options within the same family.

Supervisors Replacement Considerations

CAT1162PI-45 is a PDIP-8 variant with identical electrical specifications. CAT1161WI-45-T3 includes a watchdog timer and may require software adjustments. Verify pin compatibility and thermal performance when substituting.