LFE5U-45F-8MG285C

The LFE5U-45F-8MG285C is an ECP5 family FPGA offered by Lattice Semiconductor. It provides a balance of programmable logic, embedded memory, and I/O in a compact 285-LFBGA (CSPBGA) package suitable for surface-mount assembly.

With 44,000 logic elements, approximately 1.99 Mbits of embedded memory, and 118 user I/O, this device targets designs that require moderate logic density, integrated DSP and memory resources, and flexible I/O and SERDES/clocking features as documented in the ECP5 family data sheet.

Key Features

• Programmable Logic 44,000 logic elements provide a substantial fabric for implementing custom logic, state machines, and glue logic.
• Embedded Memory Approximately 1.99 Mbits of on-chip RAM distributed in sysMEM blocks for data buffering, FIFOs, and small on-chip storage.
• Flexible I/O 118 user I/O pins with programmable I/O cells and bank-level I/O architecture for a variety of signaling options and interface implementations.
• Clocking and PLLs Family clocking architecture includes sysCLOCK PLLs and a comprehensive clock distribution network to support synchronous designs and multiple clock domains (see datasheet).
• High-speed Serial and PHY Features SERDES and PCS blocks are supported in the family architecture for high-speed serial interfaces and physical coding sublayer functionality as described in the datasheet.
• DSP Capability sysDSP slices and DSP-oriented architecture elements in the ECP5 family enable arithmetic and signal processing implementations on chip.
• DDR Memory Support DDR memory interface support and DQS grouping/management described in the datasheet enable external memory interfacing where needed.
• Configuration and Test On-chip configuration options, IEEE 1149.1-compliant boundary scan, and device configuration features are included in the family documentation.
• Package and Mounting 285-LFBGA (285-CSFBGA, 10×10) package for surface-mount PCB assembly; supplier device package listed as 285-CSFBGA (10x10).
• Power and Environmental Core voltage supply range: 1.045 V to 1.155 V. Operating temperature: 0 °C to 85 °C (commercial grade). RoHS compliant.

Typical Applications

• High-speed serial interfaces Use SERDES and PCS blocks in the ECP5 family for implementing serial links and protocol bridging supported by the family architecture.
• Memory controllers and buffering Leverage on-chip sysMEM blocks and DDR support to implement buffering, FIFOs, and external memory interface logic.
• Signal processing and DSP functions Deploy sysDSP slices for arithmetic-intensive tasks, filters, and accelerators within embedded systems.
• Custom I/O and protocol glue Implement custom peripherals, bus adapters, and I/O-rich interfaces using 118 programmable I/O pins and flexible clocking resources.

Unique Advantages

• Balanced logic and memory ratio 44,000 logic elements paired with ~1.99 Mbits of on-chip RAM offers a balanced resource set for mid-density FPGA designs.
• Integrated high-speed features SERDES, PCS, and DDR support in the family architecture reduce external component needs for serial and memory interfaces.
• Programmable clocking sysCLOCK PLLs and a comprehensive clock distribution network enable multi-domain synchronous designs documented in the datasheet.
• Compact, surface-mount package 285-LFBGA (10×10) CSPBGA footprint supports compact board layouts while providing substantial I/O count.
• Commercial temperature and RoHS compliance Rated for 0 °C to 85 °C operation and RoHS compliant to meet standard commercial production requirements.

Why Choose LFE5U-45F-8MG285C?

The LFE5U-45F-8MG285C delivers a practical combination of programmable logic, embedded memory, DSP resources, and high-speed I/O capability in a compact 285-LFBGA package. Its documented family features—clocking PLLs, sysDSP slices, SERDES/PCS, DDR support, and programmable I/O—make it suitable for mid-density FPGA tasks where integration and flexible interfacing are priorities.

This device is positioned for development teams and product designs that need a commercially graded FPGA with verified family-level capabilities and a clear power and temperature envelope. Its resource mix supports designs that require logic, memory, and serial connectivity without unnecessary overhead.

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