LFE5UM5G-85F-8BG756C

The LFE5UM5G-85F-8BG756C is a commercial-grade Field Programmable Gate Array (FPGA) from Lattice Semiconductor’s ECP5-5G family. It combines a programmable fabric with on-chip memory, dedicated DSP resources and high-speed I/O capabilities described in the ECP5/ECP5-5G datasheet.

Packaged in a 756-ball FBGA (756-CABGA, 27×27) and intended for surface-mount assembly, this device targets designs that require a balance of logic density, embedded RAM and flexible I/O in a compact footprint.

Key Features

• Logic Capacity — 21,000 CLBs and 84,000 logic elements for implementing control, glue logic and moderate-density programmable functions.
• Embedded Memory — Total on-chip RAM of 3,833,856 bits (approximately 3.83 Mbits) for data buffering, FIFOs and small memory-mapped structures.
• I/O Resources — 365 general-purpose I/O pins to support parallel interfaces, bus connections and multiple peripheral signals.
• Clocking and Timing — Family-level architecture includes PLLs, clock distribution and clock divider features as documented in the ECP5/ECP5-5G datasheet.
• SERDES and High-Speed Interfaces — The datasheet details SERDES blocks and physical coding sublayer support for serial link implementations.
• Memory Interfaces — Device-level support for DDR memory interfaces and related DQS calibration elements as described in the datasheet.
• Package and Mounting — 756-FBGA (supplier device package 756-CABGA, 27×27); surface-mount package for board-level integration.
• Power and Supply — Core operating voltage range of 1.045 V to 1.155 V.
• Temperature and Grade — Commercial grade with operating temperature range 0 °C to 85 °C.
• Compliance — RoHS-compliant construction.

Typical Applications

• High-speed serial links — Leverage the device’s SERDES and PCS features from the ECP5-5G family for serial data transport and protocol bridging.
• Memory interface controllers — Use built-in DDR support and on-chip RAM for implementing external memory controllers and data buffering.
• Signal processing and control — Utilize embedded logic and DSP-oriented slices (as described in the family datasheet) for real-time processing, filtering or control tasks.
• Flexible I/O aggregation — Take advantage of 365 I/O pins to aggregate multiple peripheral interfaces and custom bus connections on a single device.

Unique Advantages

• Balanced logic and memory — 84,000 logic elements combined with approximately 3.83 Mbits of embedded RAM provide a balanced platform for control, buffering and mid-density logic functions.
• Significant I/O count — 365 I/O pins enable complex multi-interface designs while minimizing the need for additional multiplexing logic.
• Compact, board-friendly package — 756-FBGA (27×27) surface-mount packaging supports high-density PCBs and space-constrained assemblies.
• Family-level timing and SERDES features — The ECP5/ECP5-5G family architecture includes PLLs, clock distribution, DDR support and SERDES blocks to address timing, memory and serial connectivity needs.
• Commercial temperature range — Rated for 0 °C to 85 °C operation to suit standard commercial applications.
• Regulatory-friendly — RoHS-compliant manufacturing reduces environmental handling concerns in procurement and assembly.

Why Choose LFE5UM5G-85F-8BG756C?

The LFE5UM5G-85F-8BG756C provides a practical combination of logic density, embedded RAM and extensive I/O in a compact 756-FBGA package. As a member of the ECP5-5G family, it benefits from a documented architecture that covers programmable I/O, clocking, SERDES and memory support, enabling designers to integrate mid-range FPGA capabilities without excessive board-level complexity.

This device is well suited to teams building applications that require moderate logic resources, significant I/O routing and on-chip memory, and who need a commercial-grade FPGA solution with clear supply voltage and temperature specifications.

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