LFE2-20SE-6FN484I

The LFE2-20SE-6FN484I is a field programmable gate array (FPGA) from Lattice Semiconductor Corporation. It delivers a mid-range integration point with 21,000 logic elements, dedicated on-chip RAM, and a high I/O count to address logic‑dense, I/O‑heavy designs.

Designed for industrial environments, this surface‑mount FPGA provides a narrow core voltage range and an extended operating temperature range to support robust embedded applications that require predictable electrical and thermal characteristics.

Key Features

• Core Logic  21,000 logic elements for implementing mid-density digital logic and custom hardware acceleration.
• On‑chip Memory  Approximately 0.28 Mbits of embedded memory (282,624 total RAM bits) to support buffers, FIFOs and small data storage on-chip.
• I/O Capacity  331 user I/Os for connectivity to peripherals, sensors, and external interfaces.
• Power  Core voltage supply range of 1.14 V to 1.26 V for stable power requirements and predictable core operation.
• Package & Mounting  484-ball BGA package (listed as 484-FPBGA, 23×23) in a surface-mount form factor for compact board integration.
• Temperature & Grade  Industrial grade with an operating temperature range of −40 °C to 100 °C to suit temperature‑challenging environments.
• Compliance  RoHS compliant.

Typical Applications

• Industrial Automation  Use as programmable logic for control and I/O aggregation where industrial temperature range and high I/O counts are required.
• Communications Equipment  Implement protocol glue logic, bus interfacing, and custom packet handling using the device’s logic density and on‑chip memory.
• Embedded Systems & Prototyping  Deploy as a reprogrammable platform for validating digital designs that need significant logic resources and many I/O connections.

Unique Advantages

• High logic density: 21,000 logic elements enable substantial on-chip logic integration without external CPLDs or discrete glue logic.
• Compact BGA footprint: 484‑ball BBGA package (484‑FPBGA, 23×23) supports high I/O counts in a space‑efficient, surface‑mount form factor.
• Substantial embedded memory: Approximately 0.28 Mbits of on‑chip RAM reduces dependence on external memory for small buffers and FIFOs.
• Robust operating range: Industrial grade rating and −40 °C to 100 °C operation support deployments in temperature‑demanding environments.
• Predictable core power: Narrow voltage supply window (1.14 V–1.26 V) simplifies power sequencing and core supply design.
• Regulatory compliance: RoHS compliance supports environmentally driven procurement requirements.

Why Choose LFE2-20SE-6FN484I?

The LFE2-20SE-6FN484I positions itself as a practical choice for engineers needing a mid-density FPGA with ample I/O, on‑chip memory, and industrial temperature capability. Its 21,000 logic elements and 331 I/Os make it suitable for designs that require significant programmable logic and connectivity while maintaining a compact BGA package footprint.

With a well-defined core voltage range and RoHS compliance, this FPGA is appropriate for customers developing embedded and industrial systems that prioritize predictable electrical behavior and environmental compliance.

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