LFE5UM-45F-7BG554I

The LFE5UM-45F-7BG554I is an industrial-grade FPGA IC in the Lattice ECP5 family. It combines a high-density logic fabric with embedded memory and flexible I/O to address a range of embedded and industrial designs.

With 44,000 logic elements, approximately 2.0 Mbits of on-chip RAM and 245 user I/Os in a compact 554-FBGA package, the device targets applications that require substantial logic integration, memory resources and a broad I/O count while operating from a low-voltage core supply.

Key Features

• Logic Capacity  44,000 logic elements providing significant programmable logic for custom digital functions.
• Embedded Memory  Approximately 2.0 Mbits of total RAM bits for on-chip data storage and buffering.
• I/O  245 user I/O pins to support multi-channel interfaces and external device connectivity.
• Family Architecture  Features referenced in the ECP5 family datasheet include programmable I/O cells, SERDES and Physical Coding Sublayer, sysDSP slices, and DDR memory support.
• Clocking and PLL  The ECP5 family architecture includes a sysCLOCK PLL and a distributed clock network as described in the datasheet.
• On-Chip Resources  Datasheet sections reference an on-chip oscillator, configurable memory modes, and DSP-oriented slices for arithmetic and signal processing tasks.
• Power  Core nominal supply specified in product data: 1.045 V to 1.155 V.
• Package and Mounting  554-FBGA (supplier package listed as 554-CABGA, 23 × 23 mm) for surface-mount assembly.
• Temperature Range  Industrial operating range from −40 °C to 100 °C.
• Compliance  RoHS compliant.

Typical Applications

• Industrial Control  Industrial-grade temperature rating and extensive I/O make this FPGA suitable for control and automation systems requiring robust operation across wide ambient ranges.
• Embedded Systems  High logic density and on-chip RAM support complex embedded functions, glue logic and protocol bridging within space-constrained designs.
• High-speed Interfaces  Presence of SERDES and PHY-related blocks in the ECP5 family supports designs that require serial link and physical coding subsystems.
• Memory Interface and Buffering  DDR memory support and approximately 2.0 Mbits of embedded RAM enable local buffering, FIFOs and temporary storage for data streams.

Unique Advantages

• High logic density: 44,000 logic elements allow consolidation of multiple discrete functions into a single programmable device, reducing BOM complexity.
• Substantial on-chip memory: Approximately 2.0 Mbits of embedded RAM provides local storage for control state, packet buffering or algorithm data sets.
• Wide temperature and industrial grade: Rated for −40 °C to 100 °C, supporting deployments in industrial environments.
• Flexible I/O capacity: 245 I/Os accommodate multi-channel peripheral connectivity without external I/O expander components.
• Compact, surface-mount packaging: 554-FBGA (554-CABGA, 23 × 23 mm) offers a small footprint for dense PCB layouts while maintaining robust pin count.
• Designed within the ECP5 family: Architectural features such as programmable I/O cells, PLLs, SERDES, sysDSP slices and DDR support enable a broad set of digital and mixed-signal interface roles described in the family datasheet.

Why Choose LFE5UM-45F-7BG554I?

The LFE5UM-45F-7BG554I is positioned for engineers who need a balance of logic capacity, embedded memory and extensive I/O in an industrial-grade FPGA. Its ECP5 family architecture brings programmable I/O, clocking structures, SERDES capability and DSP-oriented resources into a compact 554-FBGA package, enabling consolidation of complex digital functions while meeting temperature and supply constraints of industrial applications.

This device is a practical choice for teams building scalable embedded designs that require moderate to high logic density, on-chip memory and robust I/O connectivity, all from a device supplied by Lattice Semiconductor and documented within the ECP5 family datasheet.

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