LFE5U-45F-7BG381C

The LFE5U-45F-7BG381C is a commercial-grade FPGA from the ECP5 family by Lattice Semiconductor Corporation. It provides a mid-density programmable fabric with approximately 44,000 logic elements and about 1.99 Mbits of embedded RAM, delivered in a 381‑FBGA (381‑CABGA, 17×17) surface-mount package.

Designed for commercial embedded systems, the device combines programmable logic, dedicated DSP resources and SERDES/DDR support as described in the ECP5 family datasheet, making it suitable for applications that require moderate logic capacity, substantial on‑chip RAM and a wide set of programmable I/O options (203 I/Os).

Key Features

• Logic Capacity  Approximately 44,000 logic elements providing a mid-density programmable fabric for glue logic, state machines, and custom compute blocks.
• Embedded Memory  Approximately 1.99 Mbits of on-chip RAM (total RAM bits: 1,990,656) for buffering, FIFOs and local data storage.
• I/O and Programmable I/O Cells  Up to 203 I/O pins and programmable I/O cell features described in the ECP5 family documentation for flexible interface implementation.
• DSP and SERDES Blocks  ECP5 family architecture includes sysDSP slices and SERDES/PCS building blocks for signal processing and high-speed serial interfaces, per the family datasheet.
• Clocking and PLL  Comprehensive clocking structure with sysCLOCK PLL and clock distribution elements as documented in the ECP5 family data sheet for synchronized system designs.
• DDR Memory Support  Family-level DDR memory support, DQS grouping and DQS delay control blocks are included in the ECP5 architecture documentation for external memory interfaces.
• Core Voltage and Power  Specified core supply range of 1.045 V to 1.155 V for predictable power design and decoupling strategy.
• Package and Mounting  381‑FBGA (supplier package 381‑CABGA, 17×17) in a surface-mount form factor suitable for compact board layouts.
• Operating Range  Commercial operating temperature range of 0 °C to 85 °C.
• RoHS Compliance  Device is RoHS compliant.

Typical Applications

• Commercial embedded systems  Use the FPGA’s ~44,000 logic elements and 203 I/Os to implement custom control, protocol translation, and I/O aggregation in commercial products.
• Signal processing and edge compute  Leverage the ECP5 family’s sysDSP slices and on-chip RAM for moderate DSP workloads and real-time data processing.
• Memory and interface bridging  Employ the on-chip RAM and documented DDR support to implement buffering and protocol bridging between external memory and system logic.
• High-speed serial and connectivity  Take advantage of the family SERDES and PCS building blocks for implementing serial links and interface clients where supported by the ECP5 architecture.

Unique Advantages

• Balanced mid-density resources  Approximately 44,000 logic elements and 1.99 Mbits of RAM deliver a balance of logic and memory for many commercial embedded designs.
• Comprehensive I/O  203 I/Os in a compact 381‑FBGA package provide flexible external connectivity without a large board footprint.
• Family-level architecture features  ECP5 family features such as sysDSP, SERDES, PLLs and programmable I/O cells give designers documented building blocks to implement common system functions.
• Predictable power domain  A defined core supply range (1.045 V–1.155 V) simplifies power-supply design and verification.
• Commercial temperature rating  Rated for 0 °C to 85 °C operation to match typical commercial product requirements.
• Standards-friendly supply chain  RoHS compliance supports regulatory and manufacturing requirements for commercial products.

Why Choose LFE5U-45F-7BG381C?

The LFE5U-45F-7BG381C delivers a practical combination of logic density, embedded memory and I/O capability within the documented ECP5 family architecture. Its mix of DSP and SERDES building blocks, comprehensive clocking and programmable I/O make it appropriate for commercial embedded designs that require moderate on‑chip resources and flexible interfacing.

Backed by the ECP5 family datasheet and associated documentation, this part is suitable for designers who need a commercially rated FPGA with clear architecture-level features and a compact 381‑FBGA surface-mount package.

Request a quote or submit a purchase inquiry for LFE5U-45F-7BG381C today to evaluate this ECP5 family FPGA for your next commercial embedded design.