LFEC10E-4FN484I Equivalent & Substitute Parts

Part Overview

The LFEC10E-4FN484I is an EC series Field Programmable Gate Array (FPGA) manufactured by Lattice Semiconductor Corporation, featuring 288 I/O pins and 10,200 logic elements in a 484-BBGA package. This device is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

LFEC10E-4FN484I

Lattice Semiconductor CorporationIn Stock: 1078LFEC10E-4FN484I Datasheet

Current PartRFQ

LFE2-12E-5FN484I

Lattice Semiconductor CorporationIn Stock: 1039LFE2-12E-5FN484I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The LFE2-12E-5FN484I qualifies as a manufacturer-recommended substitute based on the following critical parameters:

Matching Parameters:

• Identical package format: 484-BBGA (23x23) surface mount
• Identical supply voltage range: 1.14V ~ 1.26V
• Identical operating temperature range: -40°C ~ 100°C (TJ)
• Identical moisture sensitivity level: MSL 3 (168 Hours)
• Identical regulatory classifications: REACH Unaffected, ECCN 3A991D, HTSUS 8542.39.0001
• Same manufacturer: Lattice Semiconductor Corporation

Enhanced Specifications:

• Increased logic elements: 12,000 (versus 10,200)
• Increased I/O count: 297 (versus 288)
• Increased RAM capacity: 226,304 bits (versus 282,624 bits)
• Active product status (versus obsolete)
• RoHS3 compliance certification

The LFE2-12E-5FN484I belongs to the ECP2 series, representing an evolutionary upgrade within Lattice's FPGA portfolio while maintaining full physical and electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The LFE2-12E-5FN484I is the manufacturer-designated substitute for the obsolete LFEC10E-4FN484I. Selection of this substitute is supported by:

• Active product status ensuring long-term availability and supply chain continuity
• Full electrical compatibility maintained through identical supply voltage and operating temperature specifications
• Physical compatibility preserved through identical 484-BBGA package format and pin count
• Enhanced logic capacity (12,000 elements versus 10,200) providing design margin
• Expanded I/O capability (297 pins versus 288) enabling additional functionality
• RoHS3 compliance certification meeting current environmental and regulatory requirements
• Identical regulatory classifications (REACH, ECCN, HTSUS) ensuring compliance consistency

Frequently Asked Questions (FAQ)

Q: Can the LFE2-12E-5FN484I be used as a direct replacement for the LFEC10E-4FN484I?

A: Yes. Both devices share identical package format (484-BBGA), supply voltage (1.14V ~ 1.26V), operating temperature range (-40°C ~ 100°C), and pin count (288 I/O minimum). The LFE2-12E-5FN484I provides additional logic elements and I/O capacity without requiring PCB redesign.

Q: What are the key differences between these two parts?

A: The primary differences are product status (obsolete versus active), logic element count (10,200 versus 12,000), I/O count (288 versus 297), and RAM capacity (282,624 versus 226,304 bits). The LFE2-12E-5FN484I represents an enhanced specification within the same physical package.

Q: Are there any voltage or thermal compatibility concerns?

A: No. Both devices operate within identical voltage ranges (1.14V ~ 1.26V) and temperature ranges (-40°C ~ 100°C TJ), eliminating the need for power supply or thermal management modifications.

Q: Does the LFE2-12E-5FN484I require different PCB layout considerations?

A: No. The identical 484-FPBGA (23x23) package format ensures pin-for-pin compatibility and identical PCB footprint requirements.

Q: What is the significance of the RoHS3 compliance on the LFE2-12E-5FN484I?

A: RoHS3 compliance indicates the substitute part meets current environmental and hazardous substance restrictions, supporting compliance with modern procurement and regulatory standards.