85211AMILF Clock Fanout Buffer Equivalent & Substitute Parts

Part Overview

The 85211AMILF is a Clock Fanout Buffer (Distribution) IC manufactured by Renesas Electronics Corporation, designed for 1:2 clock distribution at frequencies up to 700 MHz. This device features differential input and output capabilities with support for multiple input signal standards including HCSL, LVDS, LVHSTL, LVPECL, and SSTL, with LVHSTL output. The 85211AMILF is classified as an obsolete product, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts offer enhanced performance characteristics or alternative signal compatibility within the same package form factor.

Key Parameters

Parameter	Specification
Manufacturer Part Number	85211AMILF
Manufacturer	Renesas Electronics Corporation
Category	Clock/Timing
Type	Fanout Buffer (Distribution)
Number of Circuits	1
Ratio - Input:Output	1:2
Differential - Input:Output	Yes/Yes
Input Signal Standards	HCSL, LVDS, LVHSTL, LVPECL, SSTL
Output Signal Standard	LVHSTL
Frequency - Max	700 MHz
Voltage - Supply	3.135V ~ 3.465V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the 85211AMILF is determined by the following critical parameters: package form factor (8-SOIC), circuit configuration (1:2 fanout buffer), differential input and output capability, operating temperature range (-40°C to 85°C), and mounting type (surface mount). All substitute parts listed maintain the 8-SOIC package and 1:2 distribution ratio. Substitutes are grouped into two categories based on signal compatibility and frequency capability:

Category 1: Direct Parametric Equivalents maintain identical input/output signal standards and frequency specifications, enabling direct replacement without circuit modification.

Category 2: Enhanced Performance Substitutes provide higher frequency operation (1.5 GHz to 3 GHz) and alternative input signal compatibility (ECL, PECL, CML, LVDS) while maintaining the same package and circuit ratio. These substitutes are suitable for applications where the 85211AMILF's 700 MHz maximum frequency is insufficient or where alternative input signal standards are required.

The 85211AMI-03LF represents a direct parametric equivalent from Renesas with active product status. The onsemi MC100 and MC10 series devices provide enhanced frequency performance and broader signal compatibility options.

Parameter Comparison

Part Number	Manufacturer	Type	Ratio	Frequency Max	Input Standards	Output Standard	Supply Voltage	Package	Product Status
85211AMILF	Renesas	Fanout Buffer	1:2	700 MHz	HCSL, LVDS, LVHSTL, LVPECL, SSTL	LVHSTL	3.135V ~ 3.465V	8-SOIC	Obsolete
85211AMI-03LF	Renesas	Fanout Buffer	1:2	700 MHz	HCSL, LVDS, LVHSTL, LVPECL, SSTL	LVHSTL	3.135V ~ 3.465V	8-SOIC	Active
MC100EL11DG	onsemi	Fanout Buffer	1:2	1.5 GHz	ECL, PECL	ECL, PECL	4.2V ~ 5.7V	8-SOIC	Active
MC100EL11DR2G	onsemi	Fanout Buffer	1:2	1.5 GHz	ECL, PECL	ECL, PECL	4.2V ~ 5.7V	8-SOIC	Active
MC100EP11DG	onsemi	Fanout Buffer	1:2	3 GHz	ECL, PECL	ECL, PECL	3V ~ 5.5V	8-SOIC	Active
MC100EP11DR2G	onsemi	Fanout Buffer	1:2	3 GHz	ECL, PECL	ECL, PECL	3V ~ 5.5V	8-SOIC	Active
MC100LVEP11DG	onsemi	Fanout Buffer	1:2	3 GHz	CML, LVDS, PECL	ECL, PECL	2.375V ~ 3.8V	8-SOIC	Active
MC100LVEP11DR2G	onsemi	Fanout Buffer	1:2	3 GHz	CML, LVDS, PECL	ECL, PECL	2.375V ~ 3.8V	8-SOIC	Active
MC10EL11DG	onsemi	Fanout Buffer	1:2	1.5 GHz	ECL, PECL	ECL, PECL	4.2V ~ 5.7V	8-SOIC	Active
MC10EL11DR2G	onsemi	Fanout Buffer	1:2	1.5 GHz	ECL, PECL	ECL, PECL	4.2V ~ 5.7V	8-SOIC	Active

Engineering Selection Recommendations

Direct Replacement (No Circuit Modification Required):

The 85211AMI-03LF is the recommended direct replacement for the obsolete 85211AMILF. This part maintains identical electrical specifications, signal compatibility, frequency performance, and supply voltage requirements. The 85211AMI-03LF carries active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance for new production.

Performance-Enhanced Substitutes (Circuit Evaluation Required):

For applications requiring frequency performance beyond 700 MHz, the following active alternatives are available:

The MC100LVEP11DG and MC100LVEP11DR2G series provide 3 GHz maximum frequency with input compatibility for CML, LVDS, and PECL signals. These devices operate at 2.375V to 3.8V supply voltage, overlapping with the 85211AMILF supply range. The MC100LVEP11DR2G variant offers the highest inventory availability (30,300 units) in tape and reel packaging.

The MC100EP11DG and MC100EP11DR2G series provide 3 GHz maximum frequency with ECL and PECL input/output compatibility and 3V to 5.5V supply voltage range. The MC100EP11DR2G variant provides 5,219 units in tape and reel packaging.

The MC100EL11DG and MC100EL11DR2G series provide 1.5 GHz maximum frequency with ECL and PECL compatibility and 4.2V to 5.7V supply voltage. The MC100EL11DR2G variant offers 20,997 units in tape and reel packaging.

The MC10EL11DG and MC10EL11DR2G series provide 1.5 GHz maximum frequency with ECL and PECL compatibility and 4.2V to 5.7V supply voltage.

All substitute parts maintain the 8-SOIC package form factor, 1:2 circuit ratio, differential input/output configuration, and -40°C to 85°C operating temperature range. All listed substitutes carry ROHS3 compliance and active product status.

Frequently Asked Questions (FAQ)

Q: Can the 85211AMI-03LF be used as a direct replacement for the 85211AMILF?

A: Yes. The 85211AMI-03LF is a direct parametric equivalent with identical frequency (700 MHz), input signal standards (HCSL, LVDS, LVHSTL, LVPECL, SSTL), output standard (LVHSTL), supply voltage (3.135V to 3.465V), and package (8-SOIC). No circuit modifications are required. The 85211AMI-03LF carries active product status, ensuring availability for production.

Q: What is the primary difference between the 85211AMILF and the MC100 series substitutes?

A: The MC100 series devices provide higher maximum frequency operation (1.5 GHz to 3 GHz) compared to the 85211AMILF (700 MHz). The MC100 series also feature different input signal compatibility (ECL, PECL, CML, LVDS) and different supply voltage ranges. These differences require circuit evaluation to confirm compatibility with existing designs.

Q: Are all substitute parts available in the same package as the 85211AMILF?

A: Yes. All substitute parts listed are packaged in 8-SOIC (0.154", 3.90mm Width), matching the 85211AMILF package form factor. Packaging variants differ between tube and tape & reel formats, which affect handling and assembly processes but not electrical performance.

Q: What is the difference between MC100EL11DG and MC100EL11DR2G?

A: Both parts are electrically identical with 1.5 GHz maximum frequency, ECL/PECL compatibility, and 4.2V to 5.7V supply voltage. The primary difference is packaging: MC100EL11DG is supplied in tube format, while MC100EL11DR2G is supplied in tape and reel format. Tape and reel packaging is standard for high-volume production.

Q: Can I use MC100LVEP11DR2G in place of the 85211AMILF?

A: The MC100LVEP11DR2G provides higher frequency performance (3 GHz versus 700 MHz) and accepts LVDS input signals, which are compatible with the 85211AMILF input standards. However, the MC100LVEP11DR2G operates at 2.375V to 3.8V supply voltage, which overlaps but differs from the 85211AMILF specification (3.135V to 3.465V). Circuit evaluation is required to confirm compatibility with existing power supply and signal conditioning designs.

Q: What does "1:2" ratio mean in the context of these fanout buffers?

A: The 1:2 ratio indicates that the device accepts one differential input signal and distributes it to two differential output channels. This configuration enables clock distribution from a single source to multiple destinations while maintaining signal integrity and timing characteristics.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, meeting regulatory requirements for hazardous substance restrictions in electronic components.

Q: What is the significance of MSL (Moisture Sensitivity Level) 1?

A: MSL 1 indicates unlimited shelf life with no moisture sensitivity precautions required. The 85211AMILF and all substitute parts carry MSL 1 classification, eliminating moisture-related handling and storage constraints.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message