Equivalent & Substitute Parts for Renesas 252M-43LF

Part Overview

The Renesas 252M-43LF is a Clock/Timing IC module classified as an integrated circuit component. This part is currently listed with Obsolete product status, indicating it is no longer in active production or supported by the manufacturer. Due to its obsolete classification, sourcing original units becomes increasingly difficult. Identifying qualified substitute components ensures design continuity and maintains supply chain reliability for applications requiring equivalent clock/timing functionality.

Substiute Parts

252M-43LF

Renesas Electronics CorporationIn Stock: 1179252M-43LF Datasheet

Current PartRFQ

5L35021B-000NDGI

Renesas Electronics CorporationIn Stock: 7635L35021B-000NDGI Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 252M-43LF is based on the following criteria established by Renesas Electronics Corporation:

Primary Substitution Logic:

• Manufacturer alignment: Both parts sourced from Renesas Electronics Corporation
• Functional category: Clock/Timing integrated circuits
• Product status transition: From Obsolete to Active production status
• Electrical compatibility: Equivalent clock generation and timing functionality

Qualifying Substitute: The part 5L35021B-000NDGI is designated as the manufacturer-recommended substitute. This substitution is based on functional equivalence within the Clock/Timing category and active production status, ensuring long-term availability and supply chain stability.

Parameter Comparison

Engineering Selection Recommendations

For New Designs: The 5L35021B-000NDGI is the appropriate selection for new development projects. This part carries Active product status from Renesas Electronics Corporation, ensuring manufacturer support, continued availability, and compliance with current regulatory standards including REACH requirements.

For Existing Inventory: The 252M-43LF remains available in current stock (1161 units). However, given its Obsolete classification, long-term sourcing cannot be guaranteed. Transition planning to the 5L35021B-000NDGI is recommended for production continuity.

Compliance Considerations: The 5L35021B-000NDGI carries REACH Unaffected status and EAR99 export classification, meeting current regulatory requirements for electronic component distribution and use.

Frequently Asked Questions (FAQ)

Q: Why is the 252M-43LF classified as Obsolete? A: Obsolete classification indicates the manufacturer has discontinued production and support. This is a standard lifecycle designation for components no longer in active manufacturing.

Q: Is the 5L35021B-000NDGI a direct replacement for the 252M-43LF? A: The 5L35021B-000NDGI is the manufacturer-recommended substitute designated by Renesas Electronics Corporation for the 252M-43LF. Both are Clock/Timing category integrated circuits from the same manufacturer.

Q: What are the key differences between these parts? A: The 5L35021B-000NDGI is specified as a Clock Generator IC with defined electrical parameters (250MHz maximum frequency, 1.71V–1.89V supply voltage, -40°C to 85°C operating range) and Surface Mount packaging in 20-VFQFN format. The 252M-43LF detailed specifications are not provided in the available documentation.

Q: Can I use the 5L35021B-000NDGI in existing applications designed for the 252M-43LF? A: Substitution feasibility depends on your specific application requirements and circuit design. The 5L35021B-000NDGI specifications should be evaluated against your design parameters.

Q: What is the packaging format for the 5L35021B-000NDGI? A: The 5L35021B-000NDGI is supplied in 20-QFN (3x3) package format with Tray packaging for shipment. The package includes an exposed pad for thermal management.

Q: What is the Moisture Sensitivity Level (MSL) for the substitute part? A: The 5L35021B-000NDGI carries MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.