Renesas 85411AMILF Clock Fanout Buffer Equivalent & Substitute Parts

Part Overview

The Renesas 85411AMILF is a Clock Fanout Buffer (Distribution) IC with 1:2 ratio capability operating at 650 MHz maximum frequency. This part is classified as Obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. The 85411AMILF accepts multiple input signal types (HCSL, LVDS, LVHSTL, LVPECL, SSTL) and outputs LVDS signals in an 8-SOIC package format.

Key Parameters

Parameter	Value
Manufacturer Part Number	85411AMILF
Manufacturer	Renesas Electronics Corporation
Product Category	Clock/Timing - Fanout Buffer (Distribution)
Type	Fanout Buffer (Distribution)
Number of Circuits	1
Ratio - Input:Output	1:2
Differential Input/Output	Yes/Yes
Input Signal Types	HCSL, LVDS, LVHSTL, LVPECL, SSTL
Output Signal Type	LVDS
Frequency - Maximum	650 MHz
Voltage Supply Range	2.97V ~ 3.63V
Operating Temperature Range	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 85411AMILF is determined by the following critical parameters:

Primary Substitution Criteria:

Fanout Buffer (Distribution) type with 1:2 ratio configuration
Differential input and output capability
8-SOIC package format (0.154", 3.90mm Width)
Surface mount mounting type
Operating temperature range of -40°C ~ 85°C
ROHS3 compliance and MSL 1 rating

Frequency and Signal Compatibility Considerations: The 85411AMILF operates at 650 MHz maximum. Substitute parts are grouped into two categories based on frequency capability and signal compatibility:

Direct Package/Frequency Equivalents (8-SOIC, 1.5 GHz - 3 GHz): Parts maintaining the same 8-SOIC package with higher frequency ratings and compatible signal types (ECL, PECL, LVDS, CML).
Higher Performance Alternative (16-VFQFN, 2 GHz): The 8SLVP1102ANLGI offers significantly higher frequency capability but requires PCB layout redesign due to different package format.

Parameter Comparison

Parameter	85411AMILF	MC100EL11DG / MC100EL11DR2G	MC100EP11DG / MC100EP11DR2G	MC100LVEP11DG / MC100LVEP11DR2G	MC10EL11DG / MC10EL11DR2G	8SLVP1102ANLGI
Manufacturer	Renesas	onsemi	onsemi	onsemi	onsemi	Renesas
Type	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer	Fanout Buffer
Ratio	1:2	1:2	1:2	1:2	1:2	1:2
Differential I/O	Yes/Yes	Yes/Yes	Yes/Yes	Yes/Yes	Yes/Yes	Yes/Yes
Frequency - Max	650 MHz	1.5 GHz	3 GHz	3 GHz	1.5 GHz	2 GHz
Input Types	HCSL, LVDS, LVHSTL, LVPECL, SSTL	ECL, PECL	ECL, PECL	CML, LVDS, PECL	ECL, PECL	CML, LVDS, LVPECL
Output Type	LVDS	ECL, PECL	ECL, PECL	ECL, PECL	ECL, PECL	LVPECL
Voltage Supply	2.97V ~ 3.63V	4.2V ~ 5.7V	3V ~ 5.5V	2.375V ~ 3.8V	4.2V ~ 5.7V	2.375V ~ 3.465V
Operating Temp	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	16-VFQFN
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
MSL Rating	1	1	1	1	1	3

Engineering Selection Recommendations

For Direct Pin-Compatible Replacement (8-SOIC Package):

The MC100LVEP11DG and MC100LVEP11DR2G are the primary recommended substitutes. These parts maintain the 8-SOIC package footprint, accept LVDS input signals compatible with the 85411AMILF, and operate within overlapping voltage supply ranges (2.375V ~ 3.8V encompasses the original 2.97V ~ 3.63V specification). Both are Active status products with ROHS3 compliance and MSL 1 rating, ensuring long-term availability and manufacturing compatibility.

The MC100EP11DG and MC100EP11DR2G offer higher frequency capability (3 GHz) in the same 8-SOIC package with Active product status and ROHS3 compliance. These are suitable when system bandwidth requirements exceed 650 MHz.

The MC100EL11DG and MC100EL11DR2G provide 1.5 GHz operation in 8-SOIC format with Active status. These require higher supply voltage (4.2V ~ 5.7V) and accept ECL/PECL inputs, making them suitable only when the system power supply and signal environment support these specifications.

The MC10EL11DG and MC10EL11DR2G are functionally equivalent to the MC100EL11 series at 1.5 GHz with identical package and voltage requirements.

For Higher Performance Requirement (Package Change Required):

The 8SLVP1102ANLGI provides 2 GHz maximum frequency in a 16-VFQFN package with Active product status, ROHS3 compliance, and lower supply voltage range (2.375V ~ 3.465V). This part requires PCB layout redesign and is suitable only when frequency performance justifies the engineering effort.

Packaging Consideration:

All 8-SOIC substitutes are available in both Tube and Tape & Reel (TR) packaging. The TR variants (DR2G suffix) provide higher inventory availability and are preferred for production volumes.

Frequently Asked Questions (FAQ)

Q: Can the MC100LVEP11DR2G directly replace the 85411AMILF without circuit modifications?

A: The MC100LVEP11DR2G maintains the same 8-SOIC package footprint and pinout compatibility. However, verify that your circuit design accommodates the output signal type change from LVDS to ECL/PECL and the voltage supply range (2.375V ~ 3.8V). Signal termination and biasing requirements may differ between the original and substitute part.

Q: What is the primary difference between MC100EP11 and MC100LVEP11 series?

A: The MC100EP11 series operates at higher supply voltage (3V ~ 5.5V) and accepts ECL/PECL inputs exclusively. The MC100LVEP11 series operates at lower supply voltage (2.375V ~ 3.8V) and accepts multiple input types including LVDS and CML, providing broader signal compatibility. The MC100LVEP11 is the closer functional equivalent to the 85411AMILF.

Q: Why does the 8SLVP1102ANLGI have MSL 3 rating instead of MSL 1?

A: The 8SLVP1102ANLGI uses a 16-VFQFN package format with exposed pad, which has higher moisture sensitivity (168 hours) compared to the 8-SOIC package (unlimited). This requires stricter moisture control during storage and assembly. Select this part only when the 2 GHz frequency capability justifies the additional moisture management requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant, matching the compliance status of the 85411AMILF. All parts are also REACH unaffected and classified as EAR99 for export control purposes.

Q: What is the inventory status of these substitute parts?

A: All substitute parts are Active status products with current inventory availability. The MC100LVEP11DR2G and MC100EL11DR2G variants show the highest inventory levels (30,300 and 20,997 units respectively), making them preferred for production commitments.

Q: Can I use MC10EL11 series as a cost-effective alternative?

A: The MC10EL11DG and MC10EL11DR2G are functionally equivalent to MC100EL11 at 1.5 GHz. Both require 4.2V ~ 5.7V supply voltage and accept ECL/PECL inputs. Use these only if your system power supply and signal environment support these specifications. They do not provide better cost advantage over the MC100 series variants.

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