Renesas Electronics 551AMILFT Clock Management IC - Equivalent & Substitute Parts

Part Overview

The Renesas Electronics 551AMILFT is a Clock Management IC classified within the Clock/Timing component category. This part is currently listed with Obsolete product status, indicating it is no longer in active production or supported by the manufacturer. With 970 units available in current inventory as new original stock, identification of functionally equivalent substitute components is necessary for ongoing system design, maintenance, and production continuity.

Substiute Parts

551AMILFT

Renesas Electronics CorporationIn Stock: 1022551AMILFT Datasheet

Current PartRFQ

551SDCGI8

Renesas Electronics CorporationIn Stock: 1192551SDCGI8 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The identified substitute component for the 551AMILFT is the Renesas Electronics 551SDCGI8. Substitution eligibility is determined by the following criteria:

• Manufacturer alignment: Both components are manufactured by Renesas Electronics Corporation, ensuring design consistency and support continuity
• Functional category: Both parts operate within the Clock/Timing component classification
• Active product status: The 551SDCGI8 maintains Active product status, providing ongoing manufacturer support and availability
• Clock signal processing: Both components are designed for clock signal management and distribution applications

The 551SDCGI8 represents the manufacturer-recommended equivalent for applications previously utilizing the 551AMILFT.

Parameter Comparison

Engineering Selection Recommendations

Selection of the 551SDCGI8 as a substitute for the obsolete 551AMILFT is supported by the following engineering considerations:

• Manufacturer continuity: Both components originate from Renesas Electronics Corporation, maintaining design philosophy and quality standards
• Active product status: The 551SDCGI8 is classified as Active, ensuring continued manufacturer support, documentation availability, and long-term supply chain reliability
• Regulatory compliance: The 551SDCGI8 meets ROHS3 compliance requirements and maintains REACH Unaffected status, satisfying current environmental and regulatory standards
• Export classification: The 551SDCGI8 carries EAR99 classification, providing standard export treatment for commercial applications

The transition from the obsolete 551AMILFT to the active 551SDCGI8 aligns with standard engineering practice for component lifecycle management and regulatory compliance maintenance.

Frequently Asked Questions (FAQ)

Q: Why is the 551AMILFT listed as Obsolete?

A: The 551AMILFT has reached end-of-life status within Renesas Electronics' product portfolio. Obsolete classification indicates the manufacturer no longer produces or actively supports this component. Existing inventory remains available, but no new production is planned.

Q: Is the 551SDCGI8 a direct pin-for-pin replacement?

A: The 551SDCGI8 is the manufacturer-recommended substitute within the Renesas Electronics Clock/Timing product line. Both components serve clock signal management functions. Specific pin compatibility and functional equivalence should be verified against detailed datasheets and application requirements.

Q: What is the difference between the 551AMILFT and 551SDCGI8 in terms of packaging?

A: The 551AMILFT packaging specifications are not detailed in available documentation. The 551SDCGI8 is supplied in 8-SOIC (0.154", 3.90mm Width) package format with Tape & Reel (TR) packaging, utilizing Surface Mount mounting technology.

Q: Does the 551SDCGI8 meet current environmental standards?

A: Yes. The 551SDCGI8 is ROHS3 compliant and maintains REACH Unaffected status, satisfying current environmental and regulatory requirements for electronic component manufacturing and distribution.

Q: What is the maximum operating frequency of the 551SDCGI8?

A: The 551SDCGI8 supports clock frequencies up to 200 MHz, with a supply voltage range of 1.71V to 3.465V and operating temperature range of -40°C to 105°C.

Q: How does the Moisture Sensitivity Level (MSL) differ between these components?

A: The 551AMILFT lists MSL as Not Applicable. The 551SDCGI8 carries MSL classification of 1 (Unlimited), indicating minimal moisture sensitivity and simplified handling requirements during storage and assembly.