MIC810TUY-TR Equivalent & Substitute Parts

Part Overview

The MIC810TUY-TR is a single-channel power management supervisor IC manufactured by Microchip Technology, designed for reset and power-on reset applications. This device operates as a push-pull, totem pole output supervisor with a 3.08V threshold voltage and 140ms minimum reset timeout. The part is actively produced and ROHS3 compliant, making it suitable for modern electronic designs requiring power supply monitoring and system reset control.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for compatible alternatives from different manufacturers that meet identical electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	MIC810TUY-TR
Manufacturer	Microchip Technology
Category	Power Management (PMIC)
Package / Case	TO-236-3, SC-59, SOT-23-3
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	3.08V
Output	Push-Pull, Totem Pole
Reset	Active High
Reset Timeout	140ms Minimum
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MIC810TUY-TR are classified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Parameters for Substitution:

Voltage threshold: 3.08V
Output configuration: Push-Pull, Totem Pole
Reset polarity: Active High
Reset timeout: 140ms Minimum
Package type: SOT-23-3 (TO-236-3, SC-59)
Mounting type: Surface Mount
Single channel supervisor function

Substitution Categories:

Category 1: Parametric Equivalents (Identical Electrical Specifications) Parts that match all critical electrical parameters and operate within the same temperature range or extended ranges. These include TCM810TENB713, APX810-31SAG-7, APX810-31SRG-7, CAT810TTBI-GT3, and STM810TWX6F.

Category 2: Manufacturer Recommended Alternatives (Electrical Variations) Parts from Analog Devices Inc. and Maxim Integrated that maintain core functionality but with variations in voltage threshold, reset timeout, or operating temperature range. These include ADM1812-10ARTZ-RL7, ADM810TARTZ-REEL7, MAX6327UR31+T, MAX6800UR31D3+T, and MAX810TEUR+T.

Packaging Variations: Substitute parts are available in Tape & Reel (TR), Cut Tape (CT), and Bulk packaging formats. Packaging selection depends on manufacturing process requirements and does not affect electrical compatibility.

Parameter Comparison

Part Number	Manufacturer	Voltage Threshold	Reset Timeout	Operating Temp	Output Type	Product Status	Packaging
MIC810TUY-TR	Microchip Technology	3.08V	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	Active	Tape & Reel (TR)
TCM810TENB713	Microchip Technology	3.08V	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	Active	Cut Tape (CT)
ADM1812-10ARTZ-RL7	Analog Devices Inc.	4.35V	100ms Min	-40°C ~ 105°C	Push-Pull, Totem Pole	Active	Cut Tape (CT)
ADM810TARTZ-REEL7	Analog Devices Inc.	3.08V	140ms Min	-40°C ~ 125°C	Push-Pull, Totem Pole	Active	Not Specified
MAX6327UR31+T	Analog Devices Inc./Maxim Integrated	3.08V	100ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	Active	Tape & Reel (TR)
MAX6800UR31D3+T	Analog Devices Inc./Maxim Integrated	3.08V	100ms Min	-40°C ~ 125°C	Push-Pull, Totem Pole	Active	Bulk
MAX810TEUR+T	Analog Devices Inc./Maxim Integrated	3.08V	140ms Min	-40°C ~ 105°C	Push-Pull, Totem Pole	Active	Cut Tape (CT) & Digi-Reel®
APX810-31SAG-7	Diodes Incorporated	3.08V	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	Active	Tape & Reel (TR)
APX810-31SRG-7	Diodes Incorporated	3.08V	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	Not For New Designs	Tape & Reel (TR)
CAT810TTBI-GT3	onsemi	3.08V	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	Obsolete	Not Specified
STM810TWX6F	STMicroelectronics	3.08V	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	Active	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): TCM810TENB713, APX810-31SAG-7, and STM810TWX6F are parametric equivalents to the MIC810TUY-TR with matching voltage thresholds (3.08V), reset timeouts (140ms minimum), and operating temperature ranges (-40°C ~ 85°C). These parts are suitable for direct substitution when packaging format changes from Tape & Reel to Cut Tape are acceptable for manufacturing processes. All three maintain Active product status and ROHS3 compliance.

For Extended Temperature Applications: ADM810TARTZ-REEL7 and MAX6800UR31D3+T extend the operating temperature range to -40°C ~ 125°C while maintaining the 3.08V threshold and 140ms reset timeout. These parts are recommended when designs require operation beyond the standard 85°C upper limit. Both are ROHS3 compliant and actively produced.

For Alternative Voltage Thresholds: ADM1812-10ARTZ-RL7 operates at a 4.35V threshold with a 100ms reset timeout and -40°C ~ 105°C temperature range. This part is suitable only when circuit designs specifically require a higher voltage monitoring threshold and shorter reset timeout.

For Reset Timeout Variations: MAX6327UR31+T and MAX810TEUR+T maintain the 3.08V threshold but feature a 100ms minimum reset timeout instead of 140ms. These parts are applicable when circuit designs accommodate shorter reset pulse durations.

Parts to Avoid for New Designs: APX810-31SRG-7 carries a "Not For New Designs" status and should not be selected for new product development. CAT810TTBI-GT3 is marked Obsolete and should not be used in any new applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute MIC810TUY-TR with TCM810TENB713? A: Yes. TCM810TENB713 is a parametric equivalent with identical voltage threshold (3.08V), reset timeout (140ms minimum), operating temperature range (-40°C ~ 85°C), and output configuration (Push-Pull, Totem Pole). The only difference is packaging format: TCM810TENB713 is supplied in Cut Tape format instead of Tape & Reel. Both are ROHS3 compliant and actively produced.

Q: What is the difference between the MIC810TUY-TR and ADM810TARTZ-REEL7? A: Both parts share identical voltage threshold (3.08V) and reset timeout (140ms minimum) specifications. The primary difference is operating temperature range: ADM810TARTZ-REEL7 extends to -40°C ~ 125°C compared to -40°C ~ 85°C for the MIC810TUY-TR. ADM810TARTZ-REEL7 is manufactured by Analog Devices Inc. and is suitable for applications requiring higher temperature operation.

Q: Why should I avoid CAT810TTBI-GT3 and APX810-31SRG-7? A: CAT810TTBI-GT3 is marked as Obsolete, indicating it is no longer manufactured and may have limited availability. APX810-31SRG-7 carries a "Not For New Designs" status, meaning the manufacturer recommends against its use in new product development. Both parts should be replaced with Active status alternatives for long-term design reliability.

Q: Are all substitute parts available in the same packaging formats? A: No. Substitute parts are available in multiple packaging formats: Tape & Reel (TR), Cut Tape (CT), Bulk, and Digi-Reel®. Packaging selection depends on manufacturing process requirements. Electrical functionality remains identical across all packaging formats for the same part number.

Q: Can I use MAX6327UR31+T as a direct replacement for MIC810TUY-TR? A: MAX6327UR31+T maintains the 3.08V voltage threshold and -40°C ~ 85°C operating temperature range, but features a 100ms minimum reset timeout instead of 140ms. This part is suitable only if circuit designs accommodate the shorter reset pulse duration. Verify timing requirements before substitution.

Q: What does "Push-Pull, Totem Pole" output mean? A: Push-Pull, Totem Pole output configuration means the supervisor IC actively drives the reset signal both high and low through complementary transistor pairs. This provides strong output drive capability and is standard across all listed substitute parts, ensuring functional compatibility.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All substitute parts listed carry ROHS3 compliance certification, meeting environmental and hazardous substance restrictions for modern electronics manufacturing.

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