LFE5U-12F-7BG256C

The LFE5U-12F-7BG256C is a Lattice ECP5 family Field Programmable Gate Array supplied in a 256-LFBGA package. This device provides 12,000 logic elements, approximately 0.59 Mbits of embedded RAM (589,824 bits), and 197 programmable I/O pins for compact, flexible logic implementation.

Engineered for commercial-temperature embedded systems, the device supports on-board DDR memory interfaces and high-speed serial architectures described in the ECP5 datasheet, and operates from a core supply range of 1.045 V to 1.155 V. It is suitable where mid-density programmable logic, rich I/O, and integrated memory support are required.

Key Features

• Core Logic  12,000 logic elements provide mid-range programmable logic capacity suitable for custom FPGA implementations and glue-logic consolidation.
• Embedded Memory  Approximately 0.59 Mbits (589,824 bits) of on-chip RAM for data buffering, FIFOs, and small on-chip storage.
• Programmable I/O and SERDES  197 I/O pins and device-level support for SERDES and PHY functions as described in the ECP5 family datasheet enable high-speed serial links and flexible interface topologies.
• Memory Interface Support  Architectural support for DDR memory and DQS grouping features (per the ECP5 datasheet) for reliable external memory interfacing.
• Power and Voltage  Core voltage operating range specified at 1.045 V to 1.155 V for controlled power delivery across designs.
• Package and Mounting  256-LFBGA (supplier package 256-CABGA, 14×14) with surface-mount construction for compact PCB integration.
• Operating Range  Commercial grade device specified for 0 °C to 85 °C operation.
• Regulatory  RoHS compliant.

Typical Applications

• High-speed communications  Implement serial PHYs and PCS functions using the device’s SERDES support and flexible clocking described in the ECP5 datasheet.
• Memory interfaces  DDR memory controller implementations and DQS-managed data paths leveraging on-chip support for DDR timing and calibration.
• Embedded control and DSP  Custom control logic and DSP-oriented datapaths using the ECP5 family’s sysDSP and memory block architecture.
• General-purpose programmable logic  Glue logic, protocol bridging, and I/O expansion using 12,000 logic elements and 197 I/Os in a compact BGA package.

Unique Advantages

• Balanced mid-range capacity: 12,000 logic elements and substantial embedded RAM provide a strong balance between integration and board-level complexity reduction.
• Flexible I/O and high-speed link support: 197 I/Os with ECP5 SERDES and PHY capabilities enable diverse interface implementations without external PHYs.
• Compact BGA footprint: 256-LFBGA / 256-CABGA (14×14) packaging allows integration into space-constrained PCBs while keeping required I/O accessible.
• Controlled power envelope: Narrow core voltage range (1.045 V–1.155 V) aids predictable power supply design and thermal planning.
• Commercial temperature suitability: Rated for 0 °C–85 °C for mainstream embedded and industrial-adjacent applications.
• Standards-conscious design: RoHS compliance supports environmentally regulated product development.

Why Choose LFE5U-12F-7BG256C?

The LFE5U-12F-7BG256C delivers a practical combination of mid-range programmable logic, on-chip RAM, and extensive I/O in a compact 256-LFBGA package. It is positioned for designers who need a versatile FPGA fabric with SERDES and DDR interface capabilities while maintaining a predictable power and thermal profile defined by the device’s supply and operating range.

For teams developing embedded communications, memory-interfacing systems, or custom control logic, this ECP5-family device offers a documented architecture and featureset (see the ECP5 datasheet) that supports scalable designs and streamlined PCB integration.

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