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100LVEL11MX Clock Fanout Buffer IC - Equivalent & Substitute Parts
Part Overview
The 100LVEL11MX is a Clock Fanout Buffer (Distribution) IC manufactured by onsemi, designed for 1:2 clock distribution in 8-SOIC surface mount packaging. This part operates with ECL input/output signaling and supports supply voltages from 3V to 3.8V across an operating temperature range of -40°C to 85°C. The 100LVEL11MX is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | 100LVEL11MX |
|---|---|
| Manufacturer | onsemi |
| Type | Fanout Buffer (Distribution) |
| Ratio - Input:Output | 1:2 |
| Differential - Input:Output | Yes/Yes |
| Input Signal Type | ECL |
| Output Signal Type | ECL |
| Voltage - Supply | 3V ~ 3.8V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution for the 100LVEL11MX is determined by the following critical parameters:
Primary Substitution Criteria:
- Package compatibility: 8-SOIC (0.154", 3.90mm Width) form factor
- Functional equivalence: 1:2 fanout buffer configuration
- Differential input and output capability
- Operating temperature range: -40°C to 85°C minimum
- Supply voltage overlap with 3V to 3.8V range
Substitution Groups:
Group 1 - Direct Functional Equivalents (Same Supply Voltage Range): Parts maintaining the 3V to 3.8V supply voltage specification with 1:2 fanout capability and ECL/PECL signal compatibility. These include MC100LVEL11DR2G and MC100LVEL11DG, which operate at 1 GHz maximum frequency and are pin-compatible alternatives.
Group 2 - Enhanced Performance Substitutes (Extended Supply Voltage, Higher Frequency): Parts with overlapping supply voltage ranges but extended upper limits and higher frequency capability. MC100LVEP11DG and MC100LVEP11DR2G support 2.375V to 3.8V supply voltage with 3 GHz maximum frequency, accepting CML, LVDS, and PECL inputs while maintaining ECL/PECL outputs.
Group 3 - Broader Voltage Range Substitutes (Higher Supply Voltage): Parts with supply voltage ranges extending above 3.8V, including MC100EL11DG, MC100EL11DR2G, MC100EP11DG, and MC100EP11DR2G. These support 4.2V to 5.7V (MC100EL series) or 3V to 5.5V (MC100EP series) with 1.5 GHz to 3 GHz frequency capability.
Group 4 - Alternative Manufacturer Substitutes: The 85211AMI-03LF from Renesas Electronics Corporation provides 1:2 fanout buffering at 700 MHz with 3.135V to 3.465V supply voltage, supporting multiple input signal types (HCSL, LVDS, LVHSTL, LVPECL, SSTL) with LVHSTL output.
Parameter Comparison
| Part Number | Manufacturer | Ratio | Input Type | Output Type | Frequency - Max | Voltage - Supply | Temp Range | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 100LVEL11MX | onsemi | 1:2 | ECL | ECL | Not specified | 3V ~ 3.8V | -40°C ~ 85°C | 8-SOIC | Obsolete | Not specified |
| MC100LVEL11DR2G | onsemi | 1:2 | ECL, PECL | ECL, PECL | 1 GHz | 3V ~ 3.8V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MC100LVEL11DG | Motorola | 1:2 | ECL, PECL | ECL, PECL | 1 GHz | 3V ~ 3.8V | -40°C ~ 85°C | 8-SOIC | Active | Not specified |
| MC100EL11DG | onsemi | 1:2 | ECL, PECL | ECL, PECL | 1.5 GHz | 4.2V ~ 5.7V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MC100EL11DR2G | onsemi | 1:2 | ECL, PECL | ECL, PECL | 1.5 GHz | 4.2V ~ 5.7V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MC100EP11DG | onsemi | 1:2 | ECL, PECL | ECL, PECL | 3 GHz | 3V ~ 5.5V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MC100EP11DR2G | onsemi | 1:2 | ECL, PECL | ECL, PECL | 3 GHz | 3V ~ 5.5V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MC100LVEP11DG | onsemi | 1:2 | CML, LVDS, PECL | ECL, PECL | 3 GHz | 2.375V ~ 3.8V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MC100LVEP11DR2G | onsemi | 1:2 | CML, LVDS, PECL | ECL, PECL | 3 GHz | 2.375V ~ 3.8V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MC10LVEP11DR2G | onsemi | 1:2 | CML, LVDS, PECL | ECL, PECL | 3 GHz | 2.375V ~ 3.8V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
| 85211AMI-03LF | Renesas Electronics Corporation | 1:2 | HCSL, LVDS, LVHSTL, LVPECL, SSTL | LVHSTL | 700 MHz | 3.135V ~ 3.465V | -40°C ~ 85°C | 8-SOIC | Active | ROHS3 Compliant |
Engineering Selection Recommendations
For Direct Replacement (Same Supply Voltage, Active Status): MC100LVEL11DR2G and MC100LVEL11DG are the primary substitutes, maintaining the 3V to 3.8V supply voltage specification with active product status and ROHS3 compliance. MC100LVEL11DR2G is available in Tape & Reel packaging with 18,844 units in stock, while MC100LVEL11DG is available in tube packaging with 1,558 units in stock.
For Extended Frequency Capability (Within Supply Voltage Range): MC100LVEP11DG and MC100LVEP11DR2G extend frequency capability to 3 GHz while maintaining the 3V to 3.8V supply voltage range with lower minimum voltage support (2.375V). Both are ROHS3 compliant with active product status. MC100LVEP11DR2G offers 30,300 units in Tape & Reel packaging.
For Broader System Voltage Compatibility: MC100EP11DG and MC100EP11DR2G support 3V to 5.5V supply voltage with 3 GHz frequency capability and ROHS3 compliance. These parts accommodate systems requiring higher supply voltages while maintaining the 3V minimum specification.
For Alternative Manufacturer Requirement: The 85211AMI-03LF from Renesas Electronics Corporation provides 1:2 fanout buffering with 700 MHz frequency and 3.135V to 3.465V supply voltage. This part supports multiple input signal types and is ROHS3 compliant with 722 units in stock.
All substitute parts maintain the 8-SOIC package form factor, -40°C to 85°C operating temperature range, and MSL 1 moisture sensitivity level. Selection should be based on specific system supply voltage requirements, frequency specifications, and signal type compatibility.
Frequently Asked Questions (FAQ)
Q: Can MC100LVEL11DR2G directly replace 100LVEL11MX in existing designs? A: MC100LVEL11DR2G maintains identical supply voltage (3V to 3.8V), operating temperature range (-40°C to 85°C), and 8-SOIC package specifications. Both support 1:2 fanout buffering with differential ECL/PECL signaling. The primary difference is product status: 100LVEL11MX is obsolete while MC100LVEL11DR2G is active with ROHS3 compliance.
Q: What is the frequency difference between 100LVEL11MX and MC100LVEP11DR2G? A: The 100LVEL11MX does not specify maximum frequency in the provided data. MC100LVEP11DR2G operates at 3 GHz maximum frequency. Both maintain the 3V to 3.8V supply voltage range, though MC100LVEP11DR2G extends the lower limit to 2.375V.
Q: Are MC100EL11DR2G and MC100EP11DR2G compatible with 3V to 3.8V systems? A: MC100EL11DR2G requires 4.2V to 5.7V supply voltage and is not compatible with systems limited to 3V to 3.8V. MC100EP11DR2G supports 3V to 5.5V supply voltage and is compatible with the 3V to 3.8V range while offering 3 GHz frequency capability.
Q: What packaging options are available for active substitutes? A: MC100LVEL11DR2G is available in Tape & Reel (TR) packaging. MC100LVEL11DG is available in Tube packaging. MC100LVEP11DR2G is available in Tape & Reel packaging. MC100LVEP11DG is available in Tube packaging. MC100EP11DR2G is available in Tape & Reel packaging. MC100EP11DG is available in Tube packaging. The 85211AMI-03LF from Renesas is available with unspecified packaging.
Q: Does the 85211AMI-03LF from Renesas provide equivalent functionality? A: The 85211AMI-03LF provides 1:2 fanout buffering in 8-SOIC packaging with 700 MHz frequency and 3.135V to 3.465V supply voltage. It supports multiple input signal types (HCSL, LVDS, LVHSTL, LVPECL, SSTL) but outputs LVHSTL rather than ECL/PECL, requiring system-level signal compatibility verification.
Q: Which substitute offers the best inventory availability? A: MC100LVEP11DR2G has the highest inventory with 30,300 units in stock. MC100EL11DR2G has 20,997 units. MC10LVEP11DR2G has 17,880 units. MC100LVEL11DR2G has 18,844 units.
Q: Are all active substitutes ROHS3 compliant? A: All onsemi active substitutes (MC100LVEL11DR2G, MC100EL11DG, MC100EL11DR2G, MC100EP11DG, MC100EP11DR2G, MC100LVEP11DG, MC100LVEP11DR2G, MC10LVEP11DR2G) are ROHS3 compliant. The Renesas 85211AMI-03LF is also ROHS3 compliant. The Motorola MC100LVEL11DG does not specify RoHS status.
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