LFEC6E-5FN484C Equivalent & Substitute Parts

Part Overview

The LFEC6E-5FN484C is an EC series Field Programmable Gate Array (FPGA) manufactured by Lattice Semiconductor Corporation. This device features 224 I/O pins, 6100 logic elements, and 94208 total RAM bits in a 484-BBGA package. The product is currently obsolete, making identification of compatible substitute parts essential for system redesign, legacy support, and procurement planning.

Substiute Parts

LFEC6E-5FN484C

Lattice Semiconductor CorporationIn Stock: 759LFEC6E-5FN484C Datasheet

Current PartRFQ

LFE2-12E-5FN484C

Lattice SemiconductorIn Stock: 2188LFE2-12E-5FN484C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The LFE2-12E-5FN484C is identified as the manufacturer-recommended substitute for the LFEC6E-5FN484C. Substitution compatibility is determined by the following critical parameters:

• Package Compatibility: Both devices use the 484-BBGA package format (484-FPBGA 23x23), ensuring mechanical and electrical pin compatibility on the PCB.
• Supply Voltage: Both operate within the 1.14V ~ 1.26V range, allowing use of identical power delivery infrastructure.
• Operating Temperature Range: Both support 0°C ~ 85°C (TJ), maintaining thermal design consistency.
• Mounting Type: Both are surface mount devices, compatible with existing assembly processes.
• I/O Pin Count: The substitute provides 297 I/O pins compared to 224 on the original part. Additional I/O capacity does not prevent substitution; unused pins can remain unconnected.
• Logic Resources: The substitute offers 12000 logic elements and 226304 RAM bits, providing increased capacity over the original 6100 elements and 94208 bits.

Parameter Comparison

Engineering Selection Recommendations

The LFE2-12E-5FN484C is the appropriate substitute for the obsolete LFEC6E-5FN484C based on the following factors:

• Product Status: The substitute is Active, ensuring long-term availability and supply chain continuity compared to the Obsolete status of the original part.
• Compliance: The LFE2-12E-5FN484C carries ROHS3 compliance certification, meeting current environmental and regulatory requirements.
• Electrical Compatibility: Identical supply voltage range (1.14V ~ 1.26V) and operating temperature range (0°C ~ 85°C) eliminate the need for power delivery or thermal design modifications.
• Package Compatibility: Identical 484-BBGA package and pin pitch ensure direct PCB compatibility without layout redesign.
• Resource Enhancement: Increased logic elements (12000 vs. 6100) and RAM bits (226304 vs. 94208) provide design margin and support for future feature expansion without package constraints.

Frequently Asked Questions (FAQ)

Q: Can the LFE2-12E-5FN484C be used as a direct replacement for the LFEC6E-5FN484C?

A: Yes. Both devices share identical package format (484-BBGA), supply voltage range (1.14V ~ 1.26V), operating temperature range (0°C ~ 85°C), and mounting type (Surface Mount). No PCB modifications are required.

Q: What is the difference in I/O pin count between these parts?

A: The LFEC6E-5FN484C provides 224 I/O pins, while the LFE2-12E-5FN484C provides 297 I/O pins. The additional 73 I/O pins on the substitute can remain unconnected if not required by the application.

Q: Are there differences in logic capacity?

A: Yes. The LFE2-12E-5FN484C contains 12000 logic elements and 226304 RAM bits compared to 6100 logic elements and 94208 RAM bits in the LFEC6E-5FN484C. This increased capacity does not prevent substitution and may accommodate design enhancements.

Q: What is the moisture sensitivity level for both parts?

A: Both devices have a Moisture Sensitivity Level (MSL) of 3 with a 168-hour floor life. Identical MSL ratings ensure equivalent handling and storage requirements.

Q: Does the substitute meet current compliance standards?

A: The LFE2-12E-5FN484C is ROHS3 compliant and REACH unaffected, meeting current environmental regulations. The original LFEC6E-5FN484C is also REACH unaffected.

Q: Is the substitute part currently available?

A: Yes. The LFE2-12E-5FN484C is Active status with 2115 pieces in stock, compared to the Obsolete LFEC6E-5FN484C with 688 pieces available.