LFE2-20E-5FN484I

The LFE2-20E-5FN484I is a Field Programmable Gate Array (FPGA) IC from Lattice Semiconductor Corporation. It provides a balance of programmable logic capacity, embedded memory, and a high-count I/O complement in a compact 484-BBGA package.

Designed for applications that require moderate logic density and extensive I/O, this device offers low-voltage operation and an industrial temperature rating for deployment in temperature-challenging environments.

Key Features

• Core Logic 21,000 logic elements provide programmable resources for implementing custom digital functions and state machines.
• Embedded Memory Approximately 0.28 Mbits of on-chip RAM (282,624 total bits) for buffering, FIFOs, and small lookup tables.
• High I/O Count 331 user I/O pins support complex interfacing and multiple parallel buses or peripheral connections.
• Power Low-voltage supply range from 1.14 V to 1.26 V to support power-sensitive designs.
• Package & Mounting 484-BBGA (supplier package 484-FPBGA, 23×23) in a surface-mount form factor for compact PCB layouts.
• Temperature Range Industrial operating temperature from −40 °C to 100 °C for robust operation in demanding environments.
• Environmental Compliance RoHS compliant to meet lead-free and environmental requirements.

Typical Applications

• I/O-Intensive Interface Modules Leverages 331 I/O pins to bridge multiple parallel interfaces or connect large sensor arrays and external peripherals.
• Embedded Logic and Control 21,000 logic elements enable implementation of custom control, protocol handling, and signal processing functions.
• Industrial Automation The industrial temperature rating and surface-mount 484-BBGA package make it suitable for control and monitoring equipment in challenging thermal environments.
• Prototype and Development Platforms Provides a flexible platform for evaluating custom logic functions and early-stage product validation where moderate memory and I/O are required.

Unique Advantages

• Substantial Logic Density: 21,000 logic elements give designers room to implement complex finite-state machines and combinatorial logic without immediate up-scaling.
• Significant On-Chip RAM: Approximately 0.28 Mbits of embedded memory supports local buffering and small data structures, reducing external memory needs.
• Extensive Connectivity: 331 I/O pins enable rich peripheral interfacing and parallel data throughput for demanding I/O scenarios.
• Low-Voltage Operation: Narrow supply range (1.14 V–1.26 V) supports designs where power rail constraints or low-voltage domains are a factor.
• Industrial Temperature Capability: Rated from −40 °C to 100 °C for deployment in temperature-variable industrial applications.
• Compact BGA Package: 484-BBGA (23×23) surface-mount package optimizes board area while maintaining high I/O density.

Why Choose LFE2-20E-5FN484I?

The LFE2-20E-5FN484I positions itself as a versatile mid-range FPGA offering a practical mix of logic resources, embedded memory, and a very high I/O count in a compact BGA package. Its low-voltage operation and industrial temperature rating make it suitable for designs that must balance power constraints with reliable operation across a wide thermal range.

Engineers specifying this device will benefit from a solution that supports complex interfacing and custom logic implementation while meeting RoHS environmental requirements and surface-mount assembly needs.

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