CAT140089SWI-GT3 Equivalent & Substitute Parts

Part Overview

The CAT140089SWI-GT3 is a Power Management Integrated Circuit (PMIC) supervisor manufactured by onsemi, designed for single-channel power-on reset and voltage monitoring applications. This device features push-pull totem pole output with active-low reset functionality and a 140ms minimum reset timeout. The part is classified as obsolete, making equivalent substitute components necessary for new designs and ongoing production support. Identifying compatible alternatives ensures design continuity and supply chain reliability.

Key Parameters

Parameter	Value
Manufacturer Part Number	CAT140089SWI-GT3
Manufacturer	onsemi
Category	Power Management (PMIC)
Product Status	Obsolete
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	2.93V
Output	Push-Pull, Totem Pole
Reset	Active Low
Reset Timeout	140ms Minimum
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the CAT140089SWI-GT3 are qualified based on strict electrical and mechanical parameter matching:

Critical Matching Parameters:

Single-channel voltage monitoring capability
2.93V voltage threshold
Push-pull totem pole output configuration
Active-low reset logic
140ms minimum reset timeout
Operating temperature range: -40°C to 85°C
8-SOIC package with 0.154" (3.90mm) width
Surface mount technology
MSL 1 (Unlimited) moisture sensitivity

All substitute parts listed maintain identical electrical specifications and mechanical compatibility with the original CAT140089SWI-GT3, ensuring direct functional equivalence in power-on reset and voltage supervision applications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage Threshold	Output Type	Reset Timeout	Operating Temp	Package	RoHS Status	Inventory
CAT140089SWI-GT3	onsemi	Obsolete	2.93V	Push-Pull, Totem Pole	140ms Min	-40°C ~ 85°C	8-SOIC	Not Specified	661 Pcs
TPS3705-33DR	Texas Instruments	Active	2.93V	Push-Pull, Totem Pole	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	35300 Pcs
ADM709SARZ-REEL	Analog Devices Inc.	Active	2.93V	Push-Pull, Totem Pole	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	627 Pcs
MAX706ASESA+T	Analog Devices Inc./Maxim Integrated	Active	2.93V	Push-Pull, Totem Pole	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	7800 Pcs
MAX706SESA+T	Analog Devices Inc./Maxim Integrated	Active	2.93V	Push-Pull, Totem Pole	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	106550 Pcs
MAX709SESA+T	Analog Devices Inc./Maxim Integrated	Active	2.93V	Push-Pull, Totem Pole	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	4069 Pcs
STM706SM6F	STMicroelectronics	Active	2.93V	Push-Pull, Totem Pole	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	20400 Pcs

Engineering Selection Recommendations

All listed substitute parts are active products with ROHS3 compliance, providing long-term supply chain stability compared to the obsolete CAT140089SWI-GT3. Selection among equivalents should prioritize:

Product Status: All substitutes maintain active production status, ensuring continued availability and support.

Compliance: All substitute parts are ROHS3 compliant, meeting current environmental and regulatory requirements. The original CAT140089SWI-GT3 compliance status is not specified.

Supply Availability: Substitute parts demonstrate varying inventory levels. MAX706SESA+T offers the highest stock (106,550 pcs), followed by TPS3705-33DR (35,300 pcs) and STM706SM6F (20,400 pcs), providing flexibility for volume requirements.

Packaging Options: Substitutes are available in Cut Tape (CT) & Digi-Reel® or Tape & Reel (TR) formats, accommodating different procurement and assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can I directly replace CAT140089SWI-GT3 with any of these substitute parts?

A: Yes. All listed parts are parametric equivalents with identical electrical specifications (2.93V threshold, 140ms reset timeout, push-pull totem pole output, active-low reset) and mechanical compatibility (8-SOIC package, surface mount). Direct pin-for-pin substitution is supported.

Q: Why is the original CAT140089SWI-GT3 obsolete?

A: The CAT140089SWI-GT3 is classified as obsolete by onsemi. Substitute parts from active manufacturers (Texas Instruments, Analog Devices Inc., STMicroelectronics) provide equivalent functionality with ongoing production support and compliance certifications.

Q: What is the difference between Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) packaging?

A: Cut Tape packaging is suitable for lower-volume or mixed-component orders, while Tape & Reel packaging is optimized for high-volume automated assembly. Both formats contain identical components; packaging selection depends on procurement volume and assembly process requirements.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All active substitute parts listed are ROHS3 compliant. The original CAT140089SWI-GT3 compliance status is not specified in available documentation.

Q: Which substitute offers the best supply availability?

A: MAX706SESA+T provides the highest inventory level at 106,550 pcs, followed by TPS3705-33DR at 35,300 pcs. Both are suitable for volume production requirements.

Q: Do all substitutes operate within the same temperature range?

A: Yes. All substitute parts operate across the identical temperature range of -40°C to 85°C (TA), matching the original CAT140089SWI-GT3 specifications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message