LFE5UM-85F-8BG554I

The LFE5UM-85F-8BG554I is a member of Lattice Semiconductor's ECP5 FPGA family, delivering a mid-range programmable-logic device with 84,000 logic elements and approximately 3.83 Mbits of embedded RAM. Designed for industrial-grade deployments, it provides a broad I/O count and on-chip architecture blocks found in the ECP5 family.

Architectural building blocks identified in the ECP5 family include PLL-based clocking, programmable I/O cells, sysDSP slices, DDR memory support and SERDES/PCS elements, enabling flexible integration of logic, memory and I/O for embedded and industrial applications.

Key Features

• Core Logic  84,000 logic elements and 21,000 configurable logic blocks provide substantial programmable logic capacity for mid-range designs.
• Embedded Memory  Approximately 3.83 Mbits of on-chip RAM for data buffering, state storage and local memory functions.
• I/O and Interfaces  259 general-purpose I/O pins to support a wide range of peripheral connections and system interfaces.
• Family Architecture Blocks  ECP5 family architecture includes sysCLOCK PLL, sysDSP slices, programmable I/O cells, DDR memory support and SERDES/PCS elements as documented in the ECP5 datasheet.
• Power Supply  Operating core voltage range of 1.045 V to 1.155 V to match system power domains.
• Package  554-FBGA package (supplier device package: 554-CABGA, 23 × 23 mm) for high-density board integration.
• Industrial Operating Range  Grade: Industrial; operating temperature range −40 °C to 100 °C for deployment in temperature-demanding environments.
• Environmental Compliance  RoHS compliant to meet common environmental and manufacturing requirements.

Typical Applications

• Industrial Control and Automation  Industrial-grade temperature range and a high I/O count make this FPGA suitable for embedded control, I/O aggregation and protocol handling.
• Memory Interface and Buffering  On-chip RAM and DDR memory support in the ECP5 family enable local buffering and memory interface functions for embedded subsystems.
• Signal Processing and DSP Functions  sysDSP slices and programmable logic capacity support application-level signal processing and custom arithmetic implementations.

Unique Advantages

• Balanced Logic and Memory  Combines 84,000 logic elements with approximately 3.83 Mbits of embedded RAM to implement complex state machines, datapaths and buffering on a single device.
• High I/O Density  259 I/O pins help minimize external interface components by enabling direct connections to sensors, peripherals and external memory interfaces.
• Industrial Readiness  Specified industrial operating temperature range (−40 °C to 100 °C) and industrial grade enable deployment in harsher environments.
• Compact, High-Density Package  554-FBGA (23 × 23 mm) delivers a compact form factor for space-constrained PCBs while retaining a large I/O count.
• Standards-Conscious Manufacturing  RoHS compliance supports regulatory and production requirements for many industrial applications.

Why Choose LFE5UM-85F-8BG554I?

The LFE5UM-85F-8BG554I positions itself as a robust mid-range FPGA option within the ECP5 family, delivering a combination of substantial programmable logic (84,000 logic elements), a multi-megabit embedded memory footprint and a high pin-count package for rich system integration. Its industrial temperature rating and RoHS compliance make it appropriate for embedded systems that demand both reliability and compact integration.

This device is well suited to customers implementing mid-range programmable logic designs that require a balance of logic capacity, on-chip memory and extensive I/O, particularly in industrial and temperature-challenging environments. Designers benefit from the ECP5 family architecture blocks documented in the datasheet for clocking, DSP, DDR support and programmable I/O when planning system-level integration and scalability.

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