LFE5UM-85F-8BG381I

The LFE5UM-85F-8BG381I is an FPGA device in the Lattice ECP5 family delivering 84,000 logic elements, approximately 3.8 Mbits of embedded memory, and 205 user I/O in a 381-FBGA package. The device is supplied in a 381-CABGA (17×17) package, is RoHS compliant and specified for industrial operation from -40 °C to 100 °C.

This part is suited for designs that require a balanced combination of logic capacity, on-chip memory and flexible I/O in a surface-mount BGA package. The accompanying ECP5 family datasheet documents architecture elements such as clocking and PLLs, memory blocks and DDR support, SERDES and programmable I/O that apply across the family.

Key Features

• Logic Capacity  84,000 logic elements for implementing complex combinational and sequential logic functions.
• Embedded Memory  Approximately 3.8 Mbits of on-chip RAM providing local storage for buffers, FIFOs and state machines.
• I/O Resources  205 user I/O pins to support broad interfacing requirements from control signals to higher-pin-count buses.
• Power and Supply  Core supply range specified at 1.045 V to 1.155 V to match system power rail requirements.
• Package & Mounting  381-FBGA package (supplier package: 381-CABGA, 17×17) with surface-mount assembly for compact board integration.
• Industrial Temperature Grade  Operating temperature range from -40 °C to 100 °C for deployment in industrial environments.
• Family Architecture (ECP5)  Part of the ECP5 family; the family datasheet documents features such as clocking structures, PLLs, DDR memory support, SERDES/PCS, DSP resources and programmable I/O cells.
• Standards & Compliance  RoHS compliant to meet environmental and manufacturing requirements.

Typical Applications

• Industrial Control  Programmable logic and ample I/O count enable implementation of control, sequencing and local processing functions in industrial systems.
• Memory and Interface Bridging  On-chip RAM and documented DDR memory support in the ECP5 family make the device suitable for buffering and interface bridging tasks.
• Serial Connectivity  Family-level SERDES and PCS features described in the datasheet support high-speed serial links and protocol aggregation.

Unique Advantages

• Balanced Integration: Combines 84,000 logic elements with approximately 3.8 Mbits of embedded RAM and 205 I/O for compact system integration and reduced external logic.
• Industrial Temperature Range: Specified from -40 °C to 100 °C for reliable operation in industrial environments.
• Compact BGA Package: 381-CABGA (17×17) offers high pin density in a surface-mount form factor for space-constrained PCBs.
• Family Consistency: As a member of the ECP5 family, design teams can reference the family datasheet for architecture details such as clocking, memory cores, and I/O resources.
• Regulatory Compliance: RoHS compliance supports environmental and manufacturing requirements.

Why Choose LFE5UM-85F-8BG381I?

This ECP5-family FPGA delivers a practical combination of logic density, embedded memory and extensive I/O in a compact 381-FBGA package, all rated for industrial temperature operation. It is appropriate for engineers who need a programmable logic device that aligns with documented family architecture (clocking, DDR support, SERDES, programmable I/O) while maintaining a clear supply voltage and package definition.

Use this device when your design requires substantial on-chip resources and a high I/O count in a surface-mount BGA footprint with industrial temperature tolerance and RoHS compliance.

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