LFE5U-45F-6TG144I

The LFE5U-45F-6TG144I is an ECP5 Field Programmable Gate Array (FPGA) from Lattice Semiconductor Corporation. It delivers a balance of programmable logic, embedded memory and flexible I/O in a compact 144‑LQFP package targeted for industrial-grade applications.

With 44,000 logic elements and approximately 2.0 Mbits of embedded memory, this device supports complex, reconfigurable logic implementations while operating across an industrial temperature range and a defined core supply window.

Key Features

• Programmable Logic  44,000 logic elements (logic cells) for implementing custom digital logic functions and state machines.
• Embedded Memory  Approximately 2.0 Mbits of on-chip RAM (1,990,656 total RAM bits) to support buffering, FIFOs and data processing tasks.
• I/O Capacity  98 general-purpose I/O pins to support multiple peripheral interfaces and flexible pin assignments.
• Power  Specified core supply range from 1.045 V to 1.155 V to match system power-rail requirements and ensure defined operation within the device's tolerance.
• Package and Mounting  144‑lead LQFP package (supplier device package listed as 144‑TQFP, 20×20) in a surface-mount form factor for compact PCB integration.
• Industrial Temperature Range  Rated to operate from −40 °C to 100 °C for deployment in temperature-sensitive industrial environments.
• Compliance  RoHS‑compliant construction for adherence to common environmental and materials requirements.

Typical Applications

• Industrial Control Systems  Implement custom control logic, I/O aggregation and protocol handling while meeting industrial temperature requirements.
• Custom Communication Interfaces  Use the device's 98 I/Os and programmable logic to implement protocol bridging, signal conditioning or custom bus logic.
• Embedded Data Processing  Leverage approximately 2.0 Mbits of embedded RAM together with 44,000 logic elements for buffering, packet processing and deterministic data paths.

Unique Advantages

• Right‑sized Logic Capacity:  44,000 logic elements provide substantial room for mid-range FPGA designs without excess cost or board area.
• Significant On‑Chip Memory:  Nearly 2.0 Mbits of embedded RAM reduces dependence on external memory for many buffering and processing tasks.
• Robust Industrial Operation:  −40 °C to 100 °C operating range supports deployment in demanding industrial environments.
• Flexible I/O Count:  98 I/Os enable a wide range of interface implementations and custom pin assignments to simplify system integration.
• Compact, Surface‑Mount Package:  144‑lead LQFP (144‑TQFP, 20×20) offers a balance of pin count and board footprint for space-constrained designs.
• Regulatory Friendliness:  RoHS compliance supports environmentally conscious manufacturing and sourcing needs.

Why Choose LFE5U-45F-6TG144I?

The LFE5U-45F-6TG144I positions itself as a practical choice for designers needing a mid-range ECP5 FPGA with a solid mix of logic density, embedded memory and I/O resources in a compact industrial-grade package. Its specified supply range and extended operating temperature make it suitable for systems that require reliable, reconfigurable logic in challenging environments.

For teams building industrial controls, custom interface bridges or embedded data-processing modules, this device offers clear, verifiable specifications—44,000 logic elements, approximately 2.0 Mbits of on-chip RAM, 98 I/Os and a 144‑lead surface-mount package—supporting scalable designs with predictable integration characteristics.

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