LFE3-35EA-7FN484C

Lattice Semiconductor LFE3-35EA-7FN484C: LatticeECP3-35 FPGA (-7) in 484-ball FBGA, 1.2 V Core

The Lattice Semiconductor LFE3-35EA-7FN484C is a low-power FPGA in the LatticeECP3 family designed for cost- and power-sensitive programmable logic applications across communications infrastructure, industrial control, and video/imaging markets. This specific ordering code identifies an approximately 34K-LUT device (ECP3-35EA) with a -7 speed grade, commercial temperature rating, and a 484-ball fine-pitch BGA package (FN484). With a 1.2 V core supply and mature lifecycle status, the LFE3-35EA-7FN484C offers a stable, long-lived platform for OEMs balancing performance, power, and BOM cost.

Engineers evaluating the Lattice Semiconductor LFE3-35EA-7FN484C will find it suitable for a wide range of programmable logic tasks—from protocol bridging and aggregation in communications backplanes to deterministic control and image-processing pipelines in industrial and vision systems. Its surface-mount FBGA-484 package supports high pin density while enabling compact board layouts.

Quick Highlights

• Brand/Manufacturer: Lattice Semiconductor
• Series/Family: LatticeECP3 (Device: ECP3-35EA)
• MPN: LFE3-35EA-7FN484C
• Logic resources: Approximately 34K LUTs
• Speed grade: -7
• Core voltage: 1.2 V
• Package: FBGA-484 (FN484)
• Mounting type: Surface mount
• Pin count: 484
• Temperature grade: C (Commercial)
• Lifecycle status: Mature
• RoHS status: RoHS Compliant (lead-free per manufacturer environmental statements)

Detailed Specifications

The following specifications are drawn from the provided product data for the Lattice Semiconductor LFE3-35EA-7FN484C. Where exact figures are not provided, they are noted accordingly.

• Family: LatticeECP3
• Device: ECP3-35EA
• Logic capacity: ~34K LUTs
• Speed grade: -7
• Core voltage: 1.2 V
• Package code: FN484 (FBGA-484)
• Package/pin count: 484-ball fine-pitch BGA
• Mounting type: Surface mount
• Temperature grade: Commercial (C)
• Category: FPGA
• Lifecycle: Mature
• Environmental compliance: RoHS Compliant (lead-free, per manufacturer environmental statements)

Not specified in provided data:

• Exact I/O standards and voltage ranges
• On-chip memory, DSP, or SERDES resource counts
• Operating temperature range limits for the Commercial grade
• Power consumption figures and power sequencing requirements
• Timing numbers associated with the -7 speed grade

For any of the above, consult the LatticeECP3 family datasheet referenced in the Resources section.

Package, Pinout, and PCB Considerations

The LFE3-35EA-7FN484C uses the FN484 package, a 484-ball fine-pitch FBGA suitable for high-density routing on multilayer PCBs. The package enables a compact footprint and extensive I/O connectivity compared to smaller packages, which is beneficial for designs requiring many interfaces.

Practical design notes:

• Footprint: Use the official package drawing for pad size, solder mask, and stencil recommendations. Fine-pitch BGA routing typically requires microvias and careful fan-out strategy.
• Assembly: Follow standard lead-free reflow profiles; verify moisture sensitivity level (MSL) and baking requirements from the manufacturer’s package/application notes. Specific MSL is not provided here.
• Signal integrity: High pin counts and potential high-speed I/O demand solid return-path design, robust power distribution networks (PDNs), and length-matching discipline for differential pairs where applicable. Exact supported I/O standards are not specified here—verify with the datasheet.

Performance and Design Considerations

• Speed grade (-7): The -7 designation identifies timing characteristics and performance limits defined in the LatticeECP3 documentation. Exact timing tables and Fmax values are not included here; consult the LatticeECP3 family datasheet for device- and grade-specific numbers.
• Core voltage (1.2 V): A regulated 1.2 V supply is required for the FPGA core. Additional rails for I/O banks, PLLs, and auxiliary functions may be required depending on the final configuration; these are not specified in the provided data and must be confirmed in the datasheet.
• Thermal and power: Power dissipation depends heavily on utilization, clock rates, and I/O loading. Use the vendor’s power estimation methodology and follow thermal design best practices. Specific thermal parameters are not provided in this summary.
• Clocking and resets: The ECP3 family integrates clocking resources (e.g., PLLs) typical of modern FPGAs, but exact counts and features are not listed here. Refer to the datasheet for clocking architecture details, jitter requirements, and recommended usage.

Design teams migrating to the Lattice Semiconductor LFE3-35EA-7FN484C from other programmable logic families should validate IO standards, timing closure expectations for the -7 speed grade, and board-level power/thermal margins early in the project. When in doubt, use the Lattice documentation set to verify device-specific details before committing to PCB fabrications.

Applications and Use Cases

The LFE3-35EA-7FN484C is positioned for a broad set of applications where low power and mid-range logic capacity are valuable:

• Communications infrastructure

• Aggregation and bridging between legacy and modern interfaces

• Deterministic packet processing and flexible protocol adaptation

• Control-plane state machines and glue logic alongside ASICs or SoCs

• Industrial control

• Real-time control loops, supervisory logic, and safety interlocks

• Industrial networking gateways and protocol conversion

• Sensor fusion and deterministic timing domains

• Video and imaging

• Image pre-processing pipelines (e.g., color space conversion, scaling, basic filtering)

• Camera and display interface bridging

• Custom timing generators and synchronized capture/display paths

• Consumer electronics

• Feature expansion or product differentiation via reconfigurable logic

• Interface consolidation and bus adaptation

The device’s combination of ~34K LUTs and a 484-ball package makes it a practical building block for designs that need many I/Os and moderate logic depth without the power and cost footprint of higher-end FPGAs.

Lifecycle, Availability, and Sourcing

• Lifecycle status: Mature (per Lattice Semiconductor’s product family information). Mature status often signals stable, long-term availability with limited roadmap changes, making it suitable for sustaining and long-tail production.
• Replacements/alternatives: None are listed in the provided data. If substitution is required, consider other LatticeECP3 devices or packages, but verify pin-compatibility, resource counts, and performance in the official documentation.
• Inventory note: The current listing indicates 0 units on hand. Availability fluctuates; check authorized distributors and Lattice partners for current stock and lead times.

Sourcing best practices for the Lattice Semiconductor LFE3-35EA-7FN484C:

• Prefer authorized distribution to ensure traceability and access to the latest errata and PCNs.
• Confirm lifecycle and forecast demand to set buffer stock for mature products.
• Validate package handling and reflow requirements with your EMS provider to minimize production risk.
• If your design depends on specific I/O standards or timing margins, lock those requirements early and confirm against device-grade timing in the datasheet.

Compliance and Environmental

• RoHS: RoHS Compliant (lead-free), per Lattice Semiconductor environmental statements referenced below.
• Additional environmental declarations: See the manufacturer’s environmental and quality pages for up-to-date compliance documentation and any region-specific certificates.

Not specified in provided data:

• REACH status
• Halogen-free status
• MSL rating

Consult the compliance documents linked in the Resources section for the most current information.

Ordering Information and Part Number Breakdown

The MPN LFE3-35EA-7FN484C encodes key attributes:

• LFE3: LatticeECP3 family designation
• 35EA: ECP3-35EA device (approximately 34K LUT class)
• -7: Speed grade (-7)
• FN484: 484-ball fine-pitch FBGA package
• C: Commercial temperature grade

Always confirm ordering codes, available options, and any tape-and-reel or tray specifications with the latest Lattice Semiconductor literature before placing orders.

Getting Started and Design Flow Tips

• Begin with the LatticeECP3 family datasheet to understand logic fabric, I/O considerations, configuration modes, and timing.
• Build a power budget using the vendor’s guidance; confirm the 1.2 V core rail capability and allocate appropriate rails for I/O banks as required by your standards.
• Prototype early: BGA packages benefit from early SI/PI validation, especially when high pin counts or faster interfaces are involved.
• Plan for test and programming access in your PCB design. Confirm configuration methods supported by your production flow (specific modes not detailed here; refer to the datasheet).

Frequently Asked Questions (FAQs)

• What is the Lattice Semiconductor LFE3-35EA-7FN484C?

• It is a LatticeECP3-35 FPGA with a -7 speed grade, 1.2 V core, and 484-ball FBGA package (FN484), suitable for communications, industrial, and video/imaging applications.

• How many LUTs does it have?

• Approximately 34K LUTs (as provided). For exact resource counts by device variant, see the datasheet.

• What does the -7 speed grade indicate?

• It designates timing/performance characteristics for this device. Exact timing numbers are not provided here; consult the LatticeECP3 datasheet.

• What are the power rails required?

• The core requires 1.2 V. Additional rails for I/O banks and auxiliary functions depend on your configuration and are not specified here. Refer to the datasheet for full details.

• What package is used and how many pins are available?

• The part is in a 484-ball FBGA (FN484) package with surface-mount assembly.

• Is this device RoHS compliant?

• Yes. It is indicated as RoHS Compliant (lead-free) per manufacturer environmental statements.

• What is the temperature grade for this MPN?

• Commercial (C). The exact ambient or junction limits are not specified in the provided data—see the datasheet for numeric ranges.

• What is the lifecycle status?

• Mature, according to the provided product family information.

• Are there listed replacements or pin-compatible alternatives?

• None are listed in the provided data. Evaluate other ECP3 devices or packages as potential alternatives, confirming compatibility in the official documentation.

• Where can I find the latest specifications and compliance documents?

• Use the Resources section below for the official product page, family datasheet, and environmental/compliance documentation.

Resources

• LatticeECP3 Product Page (Lattice Semiconductor):
• https://www.latticesemi.com/Products/FPGAandCPLD/LatticeECP3
• LatticeECP3 Family Datasheet:
• https://www.latticesemi.com/-/media/LatticeSemi/Documents/DataSheets/ECP3/FPGA-LatticeECP3-Family-Data-Sheet.ashx
• Environmental and Compliance Documentation:
• https://www.latticesemi.com/About/Quality/Environmental

Notes and Disclaimers

• This page summarizes the Lattice Semiconductor LFE3-35EA-7FN484C based on the provided data. It does not include specifications not explicitly supplied here.
• Where details are marked “Not specified,” consult the official LatticeECP3 family datasheet and product page for authoritative specifications, timing tables, and compliance information.
• Availability, lifecycle, and compliance statuses can change; verify with the manufacturer or authorized distributors during sourcing and before production commits.