LFE2-35E-6F484C - 32,000 LUT ECP2 FPGA | Lattice Semiconductor
MPN: LFE2-35E-6F484C ✓ ActiveLFE2-35E-6F484C Overview
An FPGA is a semiconductor device whose digital logic is configured after manufacture. The FPGA hierarchy includes programmable logic arrays, configurable I/O, embedded memory, dedicated processing resources, and clock and control networks. Within the broader semiconductor category, the LFE2-35E-6F484C belongs to the LatticeECP2 family and combines high-speed programmable logic with system-level connectivity in a surface-mount ball-grid-array package.
The ECP2 family is optimized for designs requiring advanced DSP blocks, high-speed SERDES capability in the ECP2M family, and high-speed I/O. In the LFE2-35E-6F484C, the 32,000-cell resource count provides substantial capacity for parallel datapaths, protocol bridging, control logic, and image or signal processing. The 484-ball package supports a large number of connections and is appropriate for multilayer PCB layouts with dense power, ground, signal, and configuration routing.
The “35E” portion identifies the device resource class and ECP2 technology family, while “-6” identifies the speed grade and “F484C” identifies the 484-ball package configuration. Device selection should therefore consider logic capacity, I/O requirements, speed grade, package ball pattern, configuration method, memory requirements, and the operating environment. The E designation in the ordering code also distinguishes it from the related FN package suffix shown in the ordering information.
Typical uses include communications infrastructure, industrial control, video and image processing, test equipment, consumer electronics, and embedded systems. A suitable design may use the FPGA to implement multiple parallel channels, custom protocols, timing functions, control logic, or DSP pipelines while retaining field-updatable configuration.
PCB implementation requires careful treatment of the large BGA footprint. Follow the manufacturer package information for ball assignments, power planes, decoupling, configuration pins, and programming interface connections. Confirm that the selected PCB library uses the exact 484-ball mechanical and electrical definition before committing to fabrication.
This product page combines the exact LFE2-35E-6F484C ordering information, package details, sourcing context, verified drop-in alternatives, and practical design guidance to support component selection and board-level planning.
Drop-in alternatives for LFE2-35E-6F484C — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
LFE2-35E-6FN484C
✅ Drop-In📋 Reference alternative (not in catalog)
LFE2-35SE-6F484C
✅ Drop-In📋 Reference alternative (not in catalog)
LFE2-35E-6F484C Maximum Ratings & Electrical Characteristics
| Device Type | ECP2 Field Programmable Gate Array (FPGA) |
| Logic Cell Count | 32,000 cells |
| Programmable I/O Count | 331 I/O |
| Package | 484-ball FBGA |
| Package Code | 484-BBGA |
| Package Shape | Square |
| Terminal Form | Ball |
| Terminal Count | 484 terminals |
| Technology | 90 nm |
| Programmable Logic | LatticeECP2 family |
| DSP Blocks | Advanced DSP blocks |
| High-Speed SERDES | Available in the ECP2M family only |
| Speed Grade | -6 |
| Temperature Grading | Other |
| Mounting Type | Surface mount |
LFE2-35E-6F484C square Pin Configuration Guide
Pin configuration for LFE2-35E-6F484C (square package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for LFE2-35E-6F484C.
Refer to the datasheet for full pin configuration.
Typical Applications
LFE2-35E-6F484C is suitable for 6 applications: Industrial Control and Automation, Communications and Protocol Bridging, Video and Image Processing, Test and Measurement Instrumentation, Embedded Signal Processing, Consumer and Embedded Systems.
Industrial Control and Automation
The LFE2-35E-6F484C fits industrial control systems that require deterministic programmable logic, multiple external interfaces, and field-updatable behavior. Its 32,000 logic cells can accommodate sequencing, state machines, data acquisition control, communications, and protection logic, while 331 I/O provide broad connection to sensors, actuators, and field buses. In a controller, the FPGA can implement parallel control paths and offload timing-critical functions from a host processor. The 484-ball FBGA supports dense multilayer routing, although designers must follow the manufacturer’s power, decoupling, and ball-map requirements. Validate operating temperature, EMC performance, and functional safety requirements at the finished-product level.
Recommended
Communications and Protocol Bridging
The LFE2-35E-6F484C is suitable for communications equipment that must bridge several interface formats or maintain high-throughput parallel datapaths. Its 32,000 programmable logic cells can support packet processing, framing, buffering, clock-domain crossing, and custom protocol conversion, while the -6 speed grade provides a defined performance option within the ECP2 family. A line-card design could place serial or parallel interfaces on separate I/O groups and implement the conversion fabric internally. The 331 available I/O and 484-ball package enable a high connection count, but exact bank, voltage, and pin assignments must be selected from the manufacturer tables. Simulation and timing closure are essential before hardware release.
Recommended
Video and Image Processing
The LFE2-35E-6F484C can be used in image-acquisition and video-processing systems where parallel pixel data must be captured, filtered, timed, or transformed. The 32,000-cell ECP2 resource count supports parallel pipelines and control logic, and the advanced DSP blocks identified in the manufacturer family documentation can accelerate suitable arithmetic operations. A typical design can accept sensor data, perform line or pixel processing, and transfer results to memory or a communications processor. The 484-ball FBGA provides substantial I/O connectivity for high-width buses, although signal-integrity and power-integrity analysis are required. Designers should match external interface timing to the -6 device speed grade and include frame-timing margin in system verification.
Recommended
Test and Measurement Instrumentation
The LFE2-35E-6F484C is appropriate for programmable test equipment requiring flexible timing, acquisition control, and instrument-interface logic. Its 32,000 logic cells and 331 I/O can implement pattern generation, sequencing, measurement control, and data-transfer functions in one reconfigurable device. The -6 speed grade is relevant to synchronous timing closures, while the 484-ball package supports numerous instrument connections. Use the FPGA to consolidate fixed-function logic that would otherwise occupy multiple devices and simplify product revisions through configuration changes. Care is required when routing high-speed clocks, analog-control interfaces, and power supplies on a dense multilayer PCB. The design should include jitter margin, clock-domain verification, and safe behavior for configuration or power-up states.
Recommended
Embedded Signal Processing
The LFE2-35E-6F484C is a practical platform for embedded DSP when a design needs parallel filters, modulation functions, timing blocks, or custom data movement. The ECP2 family’s advanced DSP blocks can reduce pressure on general-purpose processing resources, while the 32,000-cell device provides additional logic capacity for control and data formatting. A system can combine the FPGA with an ADC, DAC, or DSP to implement a deterministic acquisition or generation pipeline. The -6 speed grade should be included in timing analysis, and all DSP arithmetic must be evaluated for overflow, rounding, and latency. The 484-ball FBGA requires careful layer planning for high-speed data, reference supplies, and clock distribution.
Recommended
Consumer and Embedded Systems
The LFE2-35E-6F484C can consolidate display control, keypad scanning, storage interfaces, peripheral bridging, and user-interface logic in compact embedded products. Its 32,000-cell capacity allows one configurable device to replace several small CPLDs or fixed-function logic arrays, while 331 I/O provide more connectivity than typical low-density devices. The 484-ball FBGA is appropriate for space-constrained multilayer hardware but may be excessive for simple control-only products. Select this device when programmable capacity, pin count, and interface flexibility justify the package complexity. Software and configuration storage should be arranged for reliable startup, and firmware updates should use the supported configuration path. Consumer-product requirements for temperature, lifecycle, and component-change management must also be considered.
Recommended
Recommended Products Summary
Engineering reference data for LFE2-35E-6F484C — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LFE2-35E-6FN484C | LFE2-35SE-6F484C |
|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Package | 484-BBGA | 484-BBGA - same package | 484-BBGA - same package |
| Device Family | LatticeECP2 | LatticeECP2 | LatticeECP2 |
| Logic Cell Count | 32,000 cells | 32,000 cells | 35,000-class resource configuration |
| Speed Grade | -6 | -6 | -6 |
| Terminal Count | 484 balls | 484 balls | 484 balls |
| Technology | 90 nm | 90 nm | 90 nm |
| Surface-Mount Form | Square FBGA | Square FBGA | Square FBGA |
| DSP Architecture | Advanced DSP blocks | Advanced DSP blocks | Advanced DSP blocks |
| High-Speed SERDES | Available in the ECP2M family only | Available in the ECP2M family only | Available in the ECP2M family only |
Key Differentiators
- Directly documented pin-compatible replacement (vs LFE2-35E-6FN484C)
- Same-family alternative with unchanged -6 speed designation (vs LFE2-35SE-6F484C)
- 32,000-cell ECP2 resource configuration (vs LFE2-35E-6FN484C)
Design Notes
Use the manufacturer’s exact 484-ball land pattern, ball map, and recommended multilayer stack-up rather than a generic FBGA footprint. Confirm component orientation, pad dimensions, solder-mask definition, and assembly requirements before fabrication. The device’s 484 terminals provide substantial I/O flexibility, but dense escape routing can force microvias, split power planes, or more expensive construction. Review the package drawing against the selected PCB fabricator’s capabilities.
Partition the supply rails and ground distribution according to the manufacturer’s power-supply and decoupling guidance. Place high-frequency decoupling capacitors close to the relevant device balls, provide a low-impedance return path for high-speed signals, and keep switching supplies and their inductors away from sensitive clock and data nets. Verify steady-state and transient current against the complete design configuration rather than only the FPGA’s nominal resource count.
Route clocks and high-speed interfaces with continuous reference planes, controlled impedance, and appropriate length matching. Add timing margins for the -6 speed grade and analyze every clock domain crossing, including the configuration or boot path. The ECP2 resource count does not guarantee timing closure: logic placement, routing congestion, I/O standards, and external memory or transceiver delays determine whether the final design meets its interface requirements.
Do not substitute an ECP2M device solely because it also uses a 484-ball package. ECP2M may have different resources, architecture, configuration behavior, and programming requirements even when the ball count appears similar. Likewise, do not assume that an FN484C or SE ordering suffix is interchangeable without checking the manufacturer ordering guide. Preserve the complete orderable MPN, verify pin and timing compatibility, and recompile the design for the final device.
Compliance Information
Compliance declarations are not stated in the component listing and must be confirmed from the manufacturer’s current product or environmental documentation before qualification.
