LFE5UM5G-85F-8BG381I

The LFE5UM5G-85F-8BG381I is an industrial-grade FPGA device in the ECP5-5G family from Lattice Semiconductor Corporation. It provides a high-density programmable-logic fabric with 84,000 logic elements and approximately 3.83 Mbits of embedded memory, making it suitable for embedded control, I/O aggregation and mid-density programmable logic tasks.

With 205 user I/O, a surface-mount 381-FBGA package (supplier package: 381-CABGA (17x17)), a core supply range of 1.045 V to 1.155 V, and an operating temperature range of –40 °C to 100 °C, this device targets industrial environments that require robust thermal and power operating windows.

Key Features

• Core Capacity  84,000 logic elements support mid-to-high density programmable logic implementations and custom hardware acceleration.
• Embedded Memory  Approximately 3.83 Mbits of on-chip RAM for buffering, frame storage, and state retention without external memory for many use cases.
• I/O and Packaging  205 user I/O pins in a 381-FBGA package; supplier package listed as 381-CABGA (17x17). Surface-mount mounting type for PCB assembly.
• Power  Core supply specified between 1.045 V and 1.155 V to align power delivery and sequencing with system requirements.
• Industrial Operating Range  Rated for –40 °C to 100 °C operation to meet demanding environmental conditions.
• Family-Level Architecture  Part of the ECP5 and ECP5-5G family as documented in the device datasheet; family-level features described in the datasheet include programmable I/O cells, clocking resources (sysCLOCK PLL), memory blocks (sysMEM), DSP slices (sysDSP), SERDES and DDR memory support.
• Compliance  RoHS compliant for regulatory and environmental compatibility.

Typical Applications

• Industrial Automation  Programmable control logic, I/O aggregation and deterministic interfacing for factory automation and machine control systems operating across extended temperature ranges.
• Communications and Networking  Mid-density packet processing, protocol bridging and I/O adaptation leveraging on-chip logic, embedded memory and family-level SERDES and clocking resources.
• Embedded Systems  Custom hardware acceleration, glue logic and peripheral offload in embedded platforms where compact BGA packaging and specified core-voltage range are important.

Unique Advantages

• High logic density: 84,000 logic elements enable consolidation of multiple functions into a single device, reducing board-level component count.
• Integrated on-chip memory: Approximately 3.83 Mbits of RAM reduces dependence on external memory for many buffering and stateful tasks.
• Industrial temperature support: Rated for –40 °C to 100 °C to support deployment in thermally challenging environments.
• Carefully specified core supply: A narrow core-voltage range (1.045 V–1.155 V) simplifies power delivery design and sequencing considerations.
• Compact, surface-mount BGA package: 381-FBGA (supplier: 381-CABGA (17x17)) enables a dense board footprint for space-constrained systems.
• Family-level feature set: Inclusion in the ECP5-5G family provides access to documented architecture features such as programmable I/O cells, PLL clocking, DSP slices, and DDR support as described in the family datasheet.

Why Choose LFE5UM5G-85F-8BG381I?

The LFE5UM5G-85F-8BG381I positions itself as a robust, industrial-grade FPGA choice for designs that need substantial logic capacity, meaningful on-chip memory, and a broad operating temperature window. Its 205 I/O pins and compact 381-FBGA packaging make it suitable for systems that require a balance of integration density and flexible I/O routing.

Engineers designing mid-density programmable logic solutions will find the device’s combination of logic elements, embedded memory and family-level architectural features—documented in the ECP5/ECP5-5G datasheet—helpful for consolidating functions, reducing BOM complexity and maintaining long-term product support within an industrial operating envelope.

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