LFE5U-45F-8BG256I

The LFE5U-45F-8BG256I is an industrial‑grade FPGA from the Lattice ECP5 family. It provides a mid-range mix of reconfigurable logic, embedded memory and I/O capacity in a compact 256‑LFBGA (256‑CABGA, 14×14) surface‑mount package.

With support for approximately 44,000 logic elements, roughly 2.0 Mbits of on‑chip RAM and 197 user I/Os, this device is intended for designs that require moderate logic density, substantial embedded memory and broad interface flexibility while operating across an industrial temperature range.

Key Features

• Core Logic — Approximately 44,000 logic elements and about 11,000 CLBs provide configurable logic resources for glue logic, protocol handling and custom hardware acceleration.
• Embedded Memory — Total on‑chip RAM of 1,990,656 bits (approximately 2.0 Mbits) for data buffering, FIFOs and state storage.
• I/O Capacity — 197 available I/Os to support multiple parallel interfaces and board‑level connectivity.
• Package and Mounting — 256‑LFBGA (supplier package: 256‑CABGA, 14×14) in a surface‑mount form factor for compact PCB implementations.
• Power — Core supply voltage range of 1.045 V to 1.155 V to match system power rails and enable predictable core performance.
• Industrial Temperature Range — Rated for operation from −40 °C to 100 °C for deployment in industrial environments.
• Regulatory — RoHS compliant.

Typical Applications

• Industrial Control — Use the device’s industrial temperature rating and reconfigurable logic to implement control, monitoring and interface functions in factory and process environments.
• Embedded Systems — Combine the 44,000 logic elements and ~2.0 Mbits of embedded RAM to implement custom peripherals, protocol bridges and hardware accelerators in embedded designs.
• High‑Density I/O Interfaces — Leverage 197 I/Os to consolidate multiple peripheral interfaces, signal routing or board-level aggregation in compact products.

Unique Advantages

• Balanced Logic and Memory: Approximately 44,000 logic elements paired with ~2.0 Mbits of RAM provide a versatile mix for control logic, buffering and local data processing.
• Substantial I/O Count: 197 user I/Os enable extensive interfacing without needing external glue logic, reducing BOM and board complexity.
• Industrial Reliability: Rated for −40 °C to 100 °C operation, making it suitable for deployment in a wide range of industrial conditions.
• Compact, Surface‑Mount Package: 256‑LFBGA (256‑CABGA, 14×14) offers a small footprint for space‑constrained PCBs while preserving connection density.
• Tight Core Voltage Window: Operates across a defined core supply range (1.045 V to 1.155 V) for consistent power planning and integration.
• Standards‑Friendly Compliance: RoHS compliance supports environmentally conscious manufacturing and supply chain requirements.

Why Choose LFE5U-45F-8BG256I?

The LFE5U-45F-8BG256I delivers a practical combination of logic density, embedded memory and I/O capacity in a compact industrial package. Its specification set supports a broad set of embedded and industrial applications that need reconfigurable logic, on‑chip RAM and high I/O availability while meeting industrial temperature and RoHS requirements.

This device is well suited for engineers and procurement teams seeking a mid‑range FPGA option from the Lattice ECP5 family that balances performance, integration and reliable operation over a wide temperature range.

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