LFE5UM5G-45F-8BG381C

The LFE5UM5G-45F-8BG381C is a Field Programmable Gate Array (FPGA) in the Lattice ECP5-5G family. It pairs a mid-range programmable fabric with architecture elements documented in the ECP5/ECP5-5G data sheet—including dedicated DSP resources, programmable I/O, SERDES/PCS blocks and on-chip clocking elements.

With 44,000 logic elements, roughly 1.99 Mbits of embedded RAM, and 203 I/O, this device targets designs that require a balance of logic capacity, on-chip memory and flexible I/O in a compact 381-FBGA (381-CABGA, 17×17) package.

Key Features

• Logic Capacity — 44,000 logic elements and 11,000 CLBs provide mid-range programmable logic resources for glue logic, protocol handling and custom datapaths.
• Embedded Memory — Approximately 1.99 Mbits of on-chip RAM for data buffering, FIFOs and local storage.
• I/O and High-Speed Interfaces — 203 I/O pins supported; the family datasheet documents SERDES, PCS and programmable I/O cells for flexible interface implementation.
• Clocking and DSP — Family-level architecture includes sysCLOCK PLLs, sysDSP slices and other clock/distribution features to support signal processing and synchronized interfaces.
• Package and Mounting — 381-FBGA (supplier device package: 381-CABGA, 17×17) in a surface-mount form factor for compact board designs.
• Power and Temperature — Recommended supply voltage range of 1.045 V to 1.155 V; commercial operating temperature range 0 °C to 85 °C.
• Compliance — RoHS compliant.

Typical Applications

• Communications and Networking — Implement protocol bridging, packet processing and SERDES-connected links using the device’s programmable I/O and SERDES/PCS resources.
• Video and Imaging — Use on-chip RAM and sysDSP resources for frame buffering, pixel processing and real-time data manipulation.
• Embedded Control and Industrial Electronics — 203 I/O and flexible clocking make the device suitable for sensor aggregation, motor control logic and interface conversion within commercial-temperature systems.
• Test, Measurement and Prototyping — Reconfigurable fabric and abundant I/O enable hardware acceleration, custom instrumentation logic and rapid prototyping workflows.

Unique Advantages

• Balanced Logic Density: 44,000 logic elements deliver substantial programmable resources for mid-range designs without requiring a larger device class.
• Integrated Memory: Approximately 1.99 Mbits of embedded RAM reduces external memory dependencies for buffering and local storage.
• Flexible I/O and High-Speed Support: 203 I/O pins combined with SERDES/PCS and programmable I/O cells enable multiple interface standards and high-speed link implementations.
• Compact, Surface-Mount Package: 381-FBGA (17×17) provides a small PCB footprint for space-constrained applications.
• Low-Voltage Operation: Narrow supply range (1.045–1.155 V) supports power-sensitive designs with defined supply requirements.
• Commercial Temperature Rating: 0 °C to 85 °C operating range for applications targeted to commercial environments.

Why Choose LFE5UM5G-45F-8BG381C?

This Lattice ECP5-5G family device offers a pragmatic balance of logic, embedded memory and I/O density in a compact 381-FBGA package. Its documented architecture elements—DSP slices, programmable I/O, SERDES/PCS and on-chip clocking—make it suitable for mid-range embedded, communications and signal-processing designs that require integrated resources without moving to a larger device class.

The combination of 44,000 logic elements, approximately 1.99 Mbits of RAM and 203 I/O provides designers with the building blocks to consolidate functionality, simplify board-level routing and reduce external component count while operating within a commercial temperature range and RoHS compliance.

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