LFE5U-45F-7BG381I

The LFE5U-45F-7BG381I is an ECP5 family FPGA offering a balanced combination of logic capacity, embedded memory, and I/O in a compact 381‑FBGA package. Designed for industrial-grade applications, this surface-mount device supports a wide operating temperature range and low-voltage core operation, making it suitable for embedded control, industrial communications, and system integration tasks where compact footprint and deterministic logic resources are required.

As a member of the ECP5 family, the device leverages the family architecture for routing, clocking, DSP slices and SERDES/IO capabilities described in the ECP5 datasheet, enabling integration of custom logic, memory, and high-speed interfaces within a single programmable device.

Key Features

• Logic Capacity — 44,000 logic elements providing programmable resources for glue logic, protocol handling, and custom accelerators.
• Embedded Memory — Approximately 1.99 Mbits of on-chip RAM for FIFOs, buffers, and local data storage.
• High I/O Count — 203 user I/O pins to support wide parallel buses, multiple interfaces, and flexible pin assignments.
• Industrial Temperature Range — Rated for −40 °C to 100 °C operation to meet a broad set of industrial environments.
• Low-Voltage Core — Core voltage supply specified from 1.045 V to 1.155 V to match system power budgets and multi-rail designs.
• Package and Mounting — 381‑FBGA (381‑CABGA, 17 × 17) surface-mount package for high I/O density in a compact footprint.
• Family-Level Architecture — Based on the ECP5 family data sheet, includes advanced clocking (PLLs), sysI/O features, DDR memory support, SERDES and DSP slice structures for system-level integration.
• Compliance — RoHS compliant.

Typical Applications

• Industrial Control — Implement motor control logic, timing-critical state machines, and deterministic I/O aggregation within an industrial temperature-rated FPGA.
• Communications & Networking — Use on-chip logic and SERDES-capable family features for protocol handling, packet processing, and interface bridging.
• Embedded Systems — Integrate custom peripherals, data buffering, and control functions where compact size and a high I/O count are required.
• Test & Measurement — Deploy configurable logic and local RAM for data capture, preprocessing, and real-time control in instrumentation applications.

Unique Advantages

• Substantial Logic in a Compact Package: 44,000 logic elements delivered in a 381‑FBGA package reduce board area while enabling complex designs.
• On‑Chip Memory for Local Processing: Approximately 1.99 Mbits of embedded RAM supports buffering and low-latency data paths without external memory.
• Wide I/O Visibility: 203 I/O pins accommodate multiple interfaces and parallel connectivity options to simplify system integration.
• Industrial Reliability: −40 °C to 100 °C operating range and RoHS compliance align with demanding production environments.
• Low-Voltage Core: Narrow core voltage range (1.045 V–1.155 V) supports controlled power delivery and predictable power design.
• ECP5 Family Capabilities: Access to ECP5 architecture features such as programmable clocking, memory modes, DSP resources and I/O structures for flexible system design.

Why Choose LFE5U-45F-7BG381I?

The LFE5U-45F-7BG381I positions itself as a practical, industrial-rated FPGA option for designers who need a balance of logic density, embedded memory, and a high I/O count in a compact ball-grid package. Its ECP5 family architecture provides established building blocks for clocking, DSP, memory configurations and I/O, enabling efficient integration of custom logic and interface functions.

This device is suited for embedded and industrial applications where deterministic control, robust operation across a wide temperature range, and a reduced PCB footprint are priorities. The combination of on-chip resources and package density provides long-term value for designs that require scalable logic, local buffering, and flexible I/O without immediate dependence on external components.

Request a quote or submit an inquiry to get pricing and availability for LFE5U-45F-7BG381I.