LFE5UM-85F-7MG285C

The LFE5UM-85F-7MG285C is an ECP5-family FPGA provided in a 285-LFBGA (CSPBGA) package for surface-mount applications. It delivers a blend of programmable logic, embedded memory, and I/O resources intended for commercial‑grade electronic designs.

This device integrates 84,000 logic elements, approximately 3.83 Mbits of on‑chip RAM, and up to 118 I/O pins. Family-level capabilities documented in the ECP5 datasheet include programmable I/O cells, DDR memory support, SERDES blocks, sysDSP slices, and clocking resources such as sysCLOCK PLL and an on‑chip oscillator—making it suitable for designs that require flexible logic, memory interfacing, and high‑speed I/O in a compact package.

Key Features

• Core Logic  84,000 logic elements for implementing custom digital logic and state machines.
• Embedded Memory  Approximately 3.83 Mbits of on‑chip RAM to support buffering, FIFOs and on‑device data storage.
• I/O and High‑Speed Interfaces  Up to 118 I/O pins and family-level support for programmable I/O cells, DDR memory interfaces and SERDES blocks for protocol or PHY interfacing.
• Clocking and Timing  Includes family features such as sysCLOCK PLL, a comprehensive clock distribution network and an on‑chip oscillator to simplify clock management.
• DSP and Memory Architecture  ECP5 family sysDSP slices and sysMEM blocks provide dedicated resources for arithmetic and memory operations as described in the datasheet.
• Power and Voltage  Dedicated voltage supply operating range: 1.045 V to 1.155 V for core power planning.
• Package & Mounting  285‑LFBGA (CSPBGA) package; supplier device package listed as 285‑CSFBGA (10×10); surface‑mount device suited to compact PCB layouts.
• Operating Conditions & Compliance  Commercial grade operation from 0 °C to 85 °C. RoHS compliant.

Typical Applications

• Embedded networking and protocol bridging  SERDES blocks and programmable I/O make the device suitable for implementing protocol adapters and PHY interfaces.
• Memory controllers and buffering  DDR memory support and on‑chip sysMEM blocks enable memory interface logic and high‑speed data buffering.
• Signal processing and hardware acceleration  sysDSP slices and abundant logic elements allow offloading arithmetic-intensive tasks from the host processor.
• Custom control and glue logic  Flexible logic capacity and plentiful I/O are well matched to protocol translation, control functions and specialized peripheral interfaces.

Unique Advantages

• High logic density: 84,000 logic elements provide the capacity to consolidate multiple functions into a single FPGA, reducing board-level complexity.
• Embedded memory resources: Approximately 3.83 Mbits of on‑chip RAM reduce external memory dependence for many buffering and state‑storage needs.
• Compact, manufacturable package: 285‑LFBGA (CSPBGA) surface‑mount package supports space-constrained designs and standard PCB assembly workflows.
• Family-level interface and timing features: Documented support for DDR, SERDES, sysDSP and comprehensive clocking simplifies integration of high‑speed I/O and timing-critical logic.
• Predictable operating window: Core voltage range (1.045 V–1.155 V) and commercial temperature rating (0 °C–85 °C) allow straightforward power and thermal planning.
• Regulatory readiness: RoHS compliance supports lead‑free manufacturing requirements.

Why Choose LFE5UM-85F-7MG285C?

The LFE5UM-85F-7MG285C positions itself as a flexible ECP5-family FPGA option for commercial designs that require substantial programmable logic, embedded memory and multi-function I/O in a compact BGA package. Its combination of 84,000 logic elements, roughly 3.83 Mbits of embedded RAM and documented family features—DDR support, SERDES, sysDSP and robust clocking—makes it a practical choice for designers consolidating custom logic, memory interfaces and I/O on a single device.

Engineers building communication interfaces, memory controllers, hardware accelerators or custom control logic can leverage the device’s documented architecture and package options to create scalable, manufacturable products while planning around a defined voltage and temperature operating envelope.

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