Renesas Electronics 501AMILF Clock Generator IC - Equivalent & Substitute Parts

Part Overview

The Renesas Electronics 501AMILF is a Clock Generator IC designed for 166MHz operation in an 8-SOIC surface mount package. This component belongs to the LOCO™ series and features integrated Phase-Locked Loop (PLL) functionality with 1:1 input-to-output ratio and CMOS output configuration. The product is currently classified as Obsolete, necessitating identification of functionally compatible alternatives for ongoing system support and new design implementations.

Substiute Parts

501AMILF

Renesas Electronics CorporationIn Stock: 1689501AMILF Datasheet

Current PartRFQ

5L2503-000NVGI

Renesas Electronics CorporationIn Stock: 8015L2503-000NVGI Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 501AMILF requires evaluation against the following critical parameters that define functional compatibility:

• Manufacturer: Renesas Electronics Corporation (maintained for design continuity and supply chain reliability)
• Category: Clock/Timing (functional classification)
• Type: Clock Generator with PLL capability
• Operating Temperature Range: -40°C ~ 85°C (environmental specification match)
• Mounting Type: Surface Mount (PCB assembly compatibility)
• Supply Voltage Range: Compatible with 3V ~ 3.6V systems
• Moisture Sensitivity Level: MSL 1 (Unlimited) for storage and handling

The identified substitute part 5L2503-000NVGI is manufactured by Renesas Electronics Corporation and maintains the same operating temperature range and MSL rating. However, this substitute operates in a different frequency range (32.768kHz maximum) with different input/output characteristics, package configuration, and supply voltage requirements. Direct substitution requires comprehensive circuit redesign and validation.

Parameter Comparison

Engineering Selection Recommendations

The 501AMILF is classified as Obsolete. The identified substitute part 5L2503-000NVGI is currently Active and maintains ROHS3 compliance status. However, critical parameter mismatches exist that prevent direct pin-for-pin or functional substitution:

• Maximum frequency specification differs significantly (166MHz versus 32.768kHz)
• Supply voltage ranges are incompatible (3V ~ 3.6V versus 1.71V ~ 1.89V)
• Package footprints differ (8-SOIC versus 12-UFDFN)
• Input/output circuit ratios differ (1:1 versus 1:3)
• Number of output circuits differs (1 versus 3)

Selection of an alternative clock generator IC requires specification of the target application's frequency requirements, supply voltage constraints, package space availability, and output circuit count. Consultation with Renesas Electronics technical resources is recommended for identification of functionally equivalent active products within the current product portfolio.

Frequently Asked Questions (FAQ)

Q: Can the 5L2503-000NVGI directly replace the 501AMILF on existing PCBs?

A: No. The 5L2503-000NVGI operates at maximum 32.768kHz, compared to the 501AMILF's 166MHz specification. The package footprint differs (12-UFDFN versus 8-SOIC), and supply voltage requirements are incompatible (1.71V ~ 1.89V versus 3V ~ 3.6V). PCB redesign and circuit validation are required.

Q: What are the critical parameters for clock generator substitution?

A: Substitution compatibility is determined by: maximum frequency specification, supply voltage range, input signal type (clock or crystal), output signal type and circuit count, input-to-output ratio, package footprint, and operating temperature range.

Q: Why is the 501AMILF classified as Obsolete?

A: Product status reflects Renesas Electronics' current manufacturing and support status. Obsolete products are no longer in active production. Existing inventory may be available through authorized distributors.

Q: Are there compliance differences between the 501AMILF and 5L2503-000NVGI?

A: The 501AMILF carries REACH Unaffected status with MSL 1 (Unlimited). The 5L2503-000NVGI is ROHS3 Compliant with REACH Unaffected status and MSL 1 (Unlimited). Both components meet the specified environmental and regulatory requirements for their respective applications.

Q: What should be evaluated when selecting an alternative clock generator?

A: Evaluate the target application's frequency requirements, supply voltage availability, package space constraints, number of required output circuits, input signal source type, output signal type requirements, and operating temperature range. These parameters determine functional compatibility and PCB integration feasibility.