CAT1027WI-25-GT3 Equivalent & Substitute Parts

Part Overview

The CAT1027WI-25-GT3 is a multi-voltage supervisor IC manufactured by onsemi, designed for power management applications requiring dual-channel voltage monitoring. This device features open drain or open collector output configuration with active low reset functionality and a 130ms minimum reset timeout. The component is classified as obsolete, necessitating identification of functionally compatible alternatives for ongoing system support and new design implementations.

Substiute Parts

CAT1027WI-25-GT3
onsemiIn Stock: 1208CAT1027WI-25-GT3 Datasheet
CAT1027WI-25-GT3
Current Part
24LC024-I/SN
Microchip TechnologyIn Stock: 337424LC024-I/SN Datasheet
24LC024-I/SN
Direct

Key Parameters

Parameter Value
Manufacturer Part Number CAT1027WI-25-GT3
Manufacturer onsemi
Category Power Management (PMIC)
Product Status Obsolete
Type Multi-Voltage Supervisor
Number of Voltages Monitored 2
Voltage - Threshold 2.55V, Adjustable
Output Configuration Open Drain or Open Collector
Reset Logic Active Low
Reset Timeout 130ms Minimum
Operating Temperature Range -40°C to 85°C (TA)
Package / Case 8-SOIC (0.154", 3.90mm Width)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution analysis for the CAT1027WI-25-GT3 is constrained by the limited compatibility parameters provided in the input data. The identified substitute part, 24LC024-I/SN, shares the following critical parameters with the main part:

  • Package / Case: 8-SOIC (0.154", 3.90mm Width)
  • Operating Temperature Range: -40°C to 85°C (TA)
  • RoHS Status: ROHS3 Compliant
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)

However, the 24LC024-I/SN is categorized as a Memory (EEPROM) component, whereas the CAT1027WI-25-GT3 is a Power Management supervisor. These devices serve fundamentally different functional purposes. Substitution between these parts is not supported based on the provided technical parameters, as they do not share equivalent electrical characteristics or operational functionality.

Parameter Comparison

Parameter CAT1027WI-25-GT3 24LC024-I/SN
Manufacturer onsemi Microchip Technology
Category Power Management (PMIC) Memory
Product Status Obsolete Active
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Operating Temperature Range -40°C to 85°C (TA) -40°C to 85°C (TA)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

Based on the provided technical parameters, the 24LC024-I/SN cannot be recommended as a functional substitute for the CAT1027WI-25-GT3. While both components share identical package dimensions, operating temperature range, and compliance certifications, they belong to different functional categories with incompatible electrical characteristics and operational purposes.

For applications requiring replacement of the obsolete CAT1027WI-25-GT3 supervisor, alternative multi-voltage supervisor ICs from active product lines should be evaluated based on matching voltage monitoring channels, threshold specifications, output configuration, and reset timing parameters.

Frequently Asked Questions (FAQ)

Q: Can the 24LC024-I/SN replace the CAT1027WI-25-GT3 in my circuit?

A: No. The 24LC024-I/SN is an EEPROM memory device, while the CAT1027WI-25-GT3 is a voltage supervisor. These components serve different functions and are not electrically compatible despite sharing the same package type.

Q: Why are these parts listed together if they are not substitutes?

A: The provided input data identifies 24LC024-I/SN as a substitute for CAT1027WI-25-GT3. However, based on the technical parameters supplied, functional substitution is not supported. This may indicate a data entry error or a non-standard substitution relationship not defined by electrical equivalence.

Q: What parameters should I use to find a true substitute for the CAT1027WI-25-GT3?

A: Prioritize matching the following parameters: Type (Multi-Voltage Supervisor), Number of Voltages Monitored (2), Voltage Threshold (2.55V adjustable), Output Configuration (Open Drain or Open Collector), Reset Logic (Active Low), and Reset Timeout (130ms minimum). Package compatibility (8-SOIC) and operating temperature range (-40°C to 85°C) should also be verified.

Q: Are there compliance or certification differences between these parts?

A: Both components are ROHS3 compliant, have MSL rating of 1 (Unlimited), and operate across the same temperature range. The 24LC024-I/SN is currently in active production status, while the CAT1027WI-25-GT3 is obsolete.

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