MIC6315-40D2U TR Equivalent & Substitute Parts

Part Overview

The MIC6315-40D2U TR is a supervisor integrated circuit designed for power management applications, specifically functioning as a simple reset or power-on reset controller. This component monitors a single voltage channel and provides active-low reset output through an 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 continuity.

Substiute Parts

MIC6315-40D2U TR

Microchip TechnologyIn Stock: 1116MIC6315-40D2U TR Datasheet

Current PartRFQ

MIC6315-40D2UY-TR

Microchip TechnologyIn Stock: 1092MIC6315-40D2UY-TR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MIC6315-40D2U TR is determined by strict equivalence across the following critical parameters:

• Voltage monitoring capability: 1 channel at 4V threshold
• Output type: Open drain or open collector configuration
• Reset behavior: Active low logic with 20ms minimum timeout
• Operating temperature range: -40°C to 85°C
• Physical package: SOT-143 (TO-253-4, TO-253AA)
• Mounting technology: Surface mount

The substitute part MIC6315-40D2UY-TR meets all these criteria, maintaining identical electrical specifications and mechanical compatibility while differing only in product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The MIC6315-40D2UY-TR is a direct functional equivalent to the MIC6315-40D2U TR. Both components share identical electrical and mechanical specifications, ensuring pin-for-pin and functional compatibility in existing circuit designs.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The MIC6315-40D2U TR is classified as obsolete, while the MIC6315-40D2UY-TR maintains active product status from Microchip Technology. Additionally, the substitute part achieves ROHS3 compliance, whereas the original part is RoHS non-compliant.

For new designs or production continuity, the MIC6315-40D2UY-TR is the appropriate selection. For legacy system maintenance where the original part number is specified, this substitute provides equivalent performance without circuit modification.

Frequently Asked Questions (FAQ)

Q: Can MIC6315-40D2UY-TR be used as a direct replacement for MIC6315-40D2U TR?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including voltage threshold, output configuration, reset timing, temperature range, and SOT-143 package format. No circuit redesign is required.

Q: What is the difference between these two part numbers?

A: The MIC6315-40D2UY-TR is the active production variant with ROHS3 compliance. The MIC6315-40D2U TR is an obsolete variant that is RoHS non-compliant. All functional specifications remain identical.

Q: Are there any package or pinout differences?

A: No. Both parts use the SOT-143 package (TO-253-4, TO-253AA) with identical pinout and mounting requirements. Surface mount compatibility is maintained.

Q: What is the inventory status for these parts?

A: MIC6315-40D2U TR has 1045 pieces in stock as new original inventory. MIC6315-40D2UY-TR has 992 pieces in stock as new original inventory.

Q: Does the substitute part meet current regulatory requirements?

A: The MIC6315-40D2UY-TR is ROHS3 compliant and REACH unaffected, meeting current regulatory standards. The original MIC6315-40D2U TR does not meet RoHS requirements.