Equivalent & Substitute Parts for 85311AMLF

Part Overview

The Renesas Electronics 85311AMLF is a Clock Fanout Buffer (Distribution) IC with 1:2 ratio capability operating at 1 GHz maximum frequency in an 8-SOIC package. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. The 85311AMLF accepts differential inputs (HCSL, LVDS, LVHSTL, LVPECL, SSTL) and provides ECL and LVPECL differential outputs, operating across a supply voltage range of 2.375V to 3.465V.

Substiute Parts

85311AMLF

Renesas Electronics CorporationIn Stock: 100285311AMLF Datasheet

Current PartRFQ

8SLVP1102ANLGI

Renesas Electronics CorporationIn Stock: 9818SLVP1102ANLGI Datasheet

MFR RecommendedRFQ

MC100LVEL11DG

MotorolaIn Stock: 1659MC100LVEL11DG Datasheet

MFR RecommendedRFQ

MC100LVEP11DG

onsemiIn Stock: 4913MC100LVEP11DG Datasheet

MFR RecommendedRFQ

MC100LVEP11DR2G

onsemiIn Stock: 30382MC100LVEP11DR2G Datasheet

MFR RecommendedRFQ

MC10LVEP11DR2G

onsemiIn Stock: 17929MC10LVEP11DR2G Datasheet

MFR RecommendedRFQ

SY100EP11UZG

Microchip TechnologyIn Stock: 2173SY100EP11UZG Datasheet

MFR RecommendedRFQ

SY100EP11UZG-TR

Microchip TechnologyIn Stock: 3421SY100EP11UZG-TR Datasheet

MFR RecommendedRFQ

SY10EP11UZG-TR

Microchip TechnologyIn Stock: 866SY10EP11UZG-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 85311AMLF is determined by the following critical parameters:

Primary Substitution Criteria:

• Ratio - Input:Output: 1:2 (mandatory match)
• Differential - Input:Output: Yes/Yes (mandatory match)
• Package / Case: 8-SOIC (0.154", 3.90mm Width) (mandatory match for direct pin-compatible replacement)
• Mounting Type: Surface Mount (mandatory match)
• Input signal compatibility: Must support at least one common input type with the original part
• Output signal compatibility: Must support at least one common output type with the original part

Secondary Substitution Criteria:

• Frequency - Max: Equal to or greater than 1 GHz
• Voltage - Supply: Must overlap with or exceed the 2.375V ~ 3.465V range
• Operating Temperature: Must cover the required operating range or extend it
• RoHS Status: ROHS3 Compliant (preferred for regulatory alignment)
• Product Status: Active status preferred for long-term availability

The substitute parts listed below meet the primary criteria for direct functional replacement in 8-SOIC package form factor. Parts with higher frequency ratings (2 GHz and 3 GHz) provide enhanced performance headroom. The 8SLVP1102ANLGI represents an alternative in a larger 16-VFQFN package with 2 GHz capability, suitable for designs where package migration is acceptable.

Parameter Comparison

Engineering Selection Recommendations

Direct Pin-Compatible Replacements (8-SOIC Package):

MC100LVEL11DG is the closest functional equivalent, maintaining the 1 GHz frequency specification and 8-SOIC package form factor. This part extends the operating temperature range to -40°C ~ 85°C and provides active product status with established supply chain availability.

MC100LVEP11DG, MC100LVEP11DR2G, MC10LVEP11DR2G, SY100EP11UZG, SY100EP11UZG-TR, and SY10EP11UZG-TR all provide 3 GHz maximum frequency operation in the same 8-SOIC package, offering performance headroom above the original 1 GHz specification. All are ROHS3 compliant with active product status. These parts differ in input/output signal type support and supply voltage ranges, with SY100EP11UZG and SY100EP11UZG-TR supporting the widest supply voltage range (2.375V ~ 5.5V).

Alternative Package Solution:

8SLVP1102ANLGI represents a manufacturer-recommended upgrade path from Renesas, providing 2 GHz operation in a 16-VFQFN package with exposed pad. This part maintains the same supply voltage range as the original (2.375V ~ 3.465V) and extends operating temperature to -40°C ~ 85°C. The larger package requires PCB layout modification but provides enhanced thermal performance and active product status.

All substitute parts maintain ROHS3 compliance and are classified as active products, ensuring long-term availability and regulatory alignment for new designs.

Frequently Asked Questions (FAQ)

Q: Can I use a 3 GHz substitute part in place of the 1 GHz 85311AMLF?

A: Yes. The 3 GHz parts (MC100LVEP11DG, MC100LVEP11DR2G, MC10LVEP11DR2G, SY100EP11UZG, SY100EP11UZG-TR, SY10EP11UZG-TR) are fully backward compatible with the 85311AMLF for 1 GHz operation. Higher frequency capability does not prevent operation at lower frequencies. Verify input/output signal type compatibility with your specific application requirements.

Q: What is the difference between MC100LVEP11DG and MC100LVEP11DR2G?

A: Both parts are functionally identical with 3 GHz operation in 8-SOIC package. The primary difference is packaging format: MC100LVEP11DG is supplied in Tube packaging, while MC100LVEP11DR2G is supplied in Tape & Reel (TR) format. Select based on your procurement and assembly process requirements.

Q: Is the 8SLVP1102ANLGI a direct replacement for the 85311AMLF?

A: The 8SLVP1102ANLGI is functionally equivalent but not pin-compatible due to package change from 8-SOIC to 16-VFQFN. This part requires PCB layout modification and is classified as a manufacturer-recommended upgrade path. It provides enhanced performance (2 GHz) and extended operating temperature range (-40°C ~ 85°C).

Q: Which substitute part has the widest supply voltage range?

A: SY100EP11UZG and SY100EP11UZG-TR both support 2.375V ~ 5.5V supply voltage, the widest range among all substitutes. This provides maximum flexibility for multi-voltage system designs.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant. MC100LVEL11DG does not specify RoHS status in the provided data. All other substitutes explicitly state ROHS3 compliance, meeting regulatory requirements for new designs.

Q: What is the MSL (Moisture Sensitivity Level) difference between substitutes?

A: Most substitute parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. The 8SLVP1102ANLGI carries MSL 3 (168 Hours), requiring controlled storage and handling procedures. Select based on your manufacturing environment and storage capabilities.

Q: Can I use SY10EP11UZG-TR if my application requires LVPECL input support?

A: Yes. SY10EP11UZG-TR supports LVECL and LVPECL inputs and outputs. Verify that your specific signal levels and impedance match LVPECL specifications for your application.

Q: What is the key difference between MC100LVEP11DR2G and MC10LVEP11DR2G?

A: Both parts provide 3 GHz operation in 8-SOIC package with identical electrical specifications. The base product numbers differ (MC100 vs MC10), but both are functionally equivalent for the 85311AMLF replacement. Availability and pricing may differ between manufacturers.