MIC6315-41D2U TR Equivalent & Substitute Parts

Part Overview

The MIC6315-41D2U TR is a supervisor integrated circuit designed for power management applications, specifically functioning as a simple reset/power-on reset device. This component monitors a single voltage channel with a 4.1V threshold and provides an active-low reset output via open drain or open collector configuration. The part is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement.

Substiute Parts

MIC6315-41D2U TR

Microchip TechnologyIn Stock: 977MIC6315-41D2U TR Datasheet

Current PartRFQ

MIC6315-41D2UY-TR

Microchip TechnologyIn Stock: 1062MIC6315-41D2UY-TR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC6315-41D2U TR is determined by strict equivalence across the following critical parameters:

• Functional Type: Simple reset/power-on reset supervisor with single-channel voltage monitoring
• Voltage Threshold: 4.1V monitoring capability
• Output Type: Open drain or open collector configuration
• Reset Polarity: Active low reset signal
• Reset Timeout Duration: 20ms minimum
• Operating Temperature Range: -40°C to 85°C
• Package Compatibility: SOT-143 surface mount package (TO-253-4, TO-253AA)
• Electrical Characteristics: Identical voltage monitoring and reset timing specifications

The MIC6315-41D2U TR is directly substitutable with MIC6315-41D2UY-TR, which maintains all functional and electrical parameters while differing only in packaging format (tape and reel versus bulk) and product status classification.

Parameter Comparison

Engineering Selection Recommendations

The MIC6315-41D2UY-TR is the direct functional equivalent of the MIC6315-41D2U TR. Selection between these parts should be based on the following criteria:

Product Status: The MIC6315-41D2U TR carries an obsolete classification, indicating discontinued manufacturing and limited long-term availability. The MIC6315-41D2UY-TR maintains active product status, ensuring continued supply and manufacturing support.

Regulatory Compliance: The MIC6315-41D2UY-TR achieves ROHS3 compliance, whereas the MIC6315-41D2U TR is RoHS non-compliant. For applications subject to RoHS directives or customer compliance requirements, the MIC6315-41D2UY-TR is the appropriate selection.

Packaging and Supply Chain: The MIC6315-41D2UY-TR is supplied in tape and reel format, standard for automated assembly operations. The MIC6315-41D2U TR is available in bulk packaging. Packaging selection depends on production volume and assembly methodology.

Electrical and Functional Equivalence: Both parts are electrically and functionally identical across all monitored parameters, including voltage threshold, reset timing, output configuration, and operating temperature range. No circuit redesign or board layout modification is required for substitution.

Frequently Asked Questions (FAQ)

Q: Can the MIC6315-41D2UY-TR be used as a direct replacement for the MIC6315-41D2U TR in existing designs?

A: Yes. The MIC6315-41D2UY-TR is functionally and electrically equivalent to the MIC6315-41D2U TR. Both parts monitor a single 4.1V voltage threshold, provide active-low reset output via open drain or open collector configuration, and operate across the identical temperature range. No circuit modifications are required.

Q: What is the difference between the MIC6315-41D2U TR and MIC6315-41D2UY-TR?

A: The primary differences are product status, regulatory compliance, and packaging format. The MIC6315-41D2U TR is obsolete and RoHS non-compliant, supplied in bulk packaging. The MIC6315-41D2UY-TR is active, ROHS3 compliant, and supplied in tape and reel format. All electrical and functional specifications are identical.

Q: Why is the MIC6315-41D2U TR classified as obsolete?

A: Obsolete classification indicates that Microchip Technology has discontinued manufacturing of this specific part number variant. The MIC6315-41D2UY-TR represents the current active production equivalent with identical functionality.

Q: Are there any package compatibility considerations when substituting these parts?

A: Both parts use the SOT-143 package (TO-253-4, TO-253AA) with identical pinout and footprint. No PCB layout changes are necessary. The only packaging difference is the supply format: bulk versus tape and reel.

Q: Does the ROHS3 compliance of the MIC6315-41D2UY-TR affect circuit performance compared to the non-compliant MIC6315-41D2U TR?

A: No. RoHS compliance relates to material composition and manufacturing processes, not electrical performance. Both parts deliver identical functional and electrical characteristics.

Q: What inventory considerations should be evaluated when transitioning from MIC6315-41D2U TR to MIC6315-41D2UY-TR?

A: The MIC6315-41D2U TR has 886 pieces in stock, while the MIC6315-41D2UY-TR has 1015 pieces available. Given the obsolete status of the MIC6315-41D2U TR, transition to the active MIC6315-41D2UY-TR is recommended to ensure long-term supply continuity.