LFE2-20SE-6F256C

The LFE2-20SE-6F256C is a Lattice ECP2 family FPGA delivering approximately 21,000 logic elements in a compact 256-ball fpBGA (17 × 17 mm) package. It combines on-chip embedded memory, DSP resources and flexible I/O to address mid-density programmable logic needs for commercial embedded systems.

This device is suited for designs requiring moderate logic capacity, on-chip RAM and a high I/O count in a small surface-mount BGA. Key value propositions include high logic density, approximately 276 Kbits of embedded memory and extensive, programmable I/O in a low-voltage (1.14–1.26 V) commercial-grade FPGA.

Key Features

• Core Logic  Approximately 21,000 logic elements for implementing combinational and sequential logic in mid-density designs.
• On-chip Memory  Total on-chip RAM: 282,624 bits (approximately 276 Kbits) of embedded memory with EBR organization referenced in the family datasheet.
• DSP Resources  Family-level sysDSP capability (ECP2-20 selection) with 7 sysDSP blocks and support for multiple 18×18 multipliers to accelerate arithmetic-intensive functions.
• Clocking  Integrated clock resources per family specification, including general-purpose PLLs and DLLs for clock management and phase/delay adjustment.
• I/O and Packaging  193 available I/Os in a 256-ball fpBGA (256-FPBGA, 17 × 17 mm) surface-mount package for dense board-level routing and connectivity.
• Voltage and Temperature  Low-voltage core operation (1.14 V to 1.26 V) and commercial operating temperature range of 0 °C to 85 °C.
• Programmable I/O Standards  Family-level programmable I/O buffer support for a wide range of interfaces and source-synchronous operation as documented in the Lattice ECP2 family datasheet.
• Compliance  RoHS compliant and supplied in a surface-mount BGA package for modern assembly processes.

Typical Applications

• Signal processing and acceleration  Use the on-chip sysDSP blocks and multipliers to implement FIR filters, mixers or other DSP kernels requiring dedicated arithmetic resources.
• Memory interface and buffering  Leverage the embedded RAM and source-synchronous I/O support for DDR/DDR2 memory interface logic and intermediate buffering.
• Interface bridging and glue logic  Implement protocol translation, bus bridging or custom glue logic where moderate logic capacity and many I/Os are required.
• Embedded system integration  Integrate control, timing and peripheral interfaces for commercial embedded platforms needing compact, low-voltage programmable logic.

Unique Advantages

• High logic density in a compact package: Approximately 21,000 logic elements in a 17 × 17 mm 256-ball BGA reduces board area while supporting complex glue and control logic.
• Significant on-chip RAM: Approximately 276 Kbits of embedded memory simplifies buffering and local storage without external SRAM.
• Rich I/O count: 193 I/Os enable many peripheral connections and high pin-count interfaces from a single device.
• Low-voltage operation: 1.14–1.26 V supply compatibility for integration with modern low-voltage systems.
• Built-in DSP and clock resources: Family DSP blocks and PLL/DLL resources support arithmetic acceleration and flexible clocking for system designs.
• RoHS compliant and surface-mount ready: Meets standard assembly and environmental requirements for commercial products.

Why Choose LFE2-20SE-6F256C?

The LFE2-20SE-6F256C positions itself as a practical mid-density FPGA choice for commercial embedded designs that need a balance of logic, memory and I/O in a compact BGA package. Its combination of approximately 21,000 logic elements, substantial embedded RAM and family-level DSP and clocking resources makes it a strong candidate for signal processing, memory interface logic, and interface bridging applications.

Engineers and procurement teams selecting this device gain long-term value from a proven FPGA family with flexible programmable I/O, low-voltage operation and a dense BGA footprint—helping simplify board design and reduce external components for many commercial embedded systems.

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