LFE5U-25F-7BG256C

The LFE5U-25F-7BG256C is a Field Programmable Gate Array (FPGA) from Lattice Semiconductor’s ECP5 family. It delivers a mid-range programmable fabric with approximately 24,000 logic elements and roughly 1.03 Mbits of embedded RAM for custom digital logic, interface bridging, and on-chip data buffering.

Designed for surface-mount applications in a 256‑LFBGA (supplier package listed as 256‑CABGA, 14×14) footprint, the device offers 197 user I/Os, dedicated family-level features such as programmable I/O cells, SERDES and DDR memory support, DSP-oriented slices, and flexible clocking/PLL options as documented in the ECP5 family datasheet.

Key Features

• Core capacity — Approximately 24,000 logic elements providing the programmable resources needed for mid-density FPGA designs.
• Embedded memory — Approximately 1.03 Mbits of on-chip RAM for implementing FIFOs, buffers, and local data storage.
• I/O and packaging — 197 user I/Os in a surface-mount 256‑LFBGA package (supplier package: 256‑CABGA 14×14) to support dense pinout requirements.
• High‑level family capabilities (per datasheet) — ECP5 family architecture includes programmable I/O cells, sysMEM memory blocks, sysDSP slices, SERDES, DDR memory support, and on-chip clocking/PLL resources to support a broad set of functions.
• Voltage and power — Core supply specified between 1.045 V and 1.155 V for core power planning and regulator selection.
• Commercial temperature grade — Operating temperature range of 0 °C to 85 °C for commercial applications.
• Compliance — RoHS‑compliant for environmental and regulatory alignment.

Typical Applications

• High‑speed serial connectivity — Use SERDES and programmable I/O to implement protocol bridges, transceiver interfaces, and serial link endpoints.
• Memory interface and controllers — DDR memory support and embedded sysMEM blocks enable on‑chip controllers, buffering, and memory management logic.
• Signal processing and acceleration — sysDSP slices and the FPGA fabric support DSP kernels, data path acceleration, and real-time processing tasks.
• Custom logic and interface bridging — Mid-range logic capacity and abundant I/Os make the device suitable for glue logic, protocol conversion, and bespoke digital functions.

Unique Advantages

• Balanced logic and memory: Approximately 24,000 logic elements paired with ~1.03 Mbits of embedded RAM simplifies implementation of complex state machines and buffering without external memory for many designs.
• Flexible I/O in a compact package: 197 I/Os in a 256‑pin LFBGA footprint provide dense connectivity while keeping board area compact.
• Family-level building blocks: ECP5 family features such as programmable I/O cells, PLLs, sysDSP and sysMEM (as described in the datasheet) reduce design effort for common FPGA functions.
• Low-voltage core: A defined core supply range (1.045 V–1.155 V) helps integrate with modern low-voltage power architectures and simplifies regulator selection.
• Commercial-grade suitability: Rated for 0 °C to 85 °C operation for commercial-environment deployments and RoHS compliance for regulatory alignment.

Why Choose LFE5U-25F-7BG256C?

The LFE5U-25F-7BG256C positions itself as a flexible, mid-density FPGA option within the Lattice ECP5 family. With approximately 24,000 logic elements, around 1.03 Mbits of embedded RAM, and 197 I/Os in a compact 256‑LFBGA package, it is well suited for designers who need a balanced combination of logic capacity, memory, and I/O density in a commercial-grade device.

Choose this FPGA for projects that require on‑chip DSP capabilities, SERDES/DDR support, and configurable I/O in a small form factor. The device’s documented family features and Lattice Semiconductor provenance support scalable design development and long-term deployment in commercial applications.

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