LFE5U-12F-8BG381I

The LFE5U-12F-8BG381I is an ECP5 family Field Programmable Gate Array (FPGA) IC from Lattice Semiconductor Corporation. It provides a compact, I/O-rich programmable logic device with 12,000 logic elements, approximately 0.59 Mbits of embedded memory, and up to 197 user I/O pins.

Built for industrial environments, this surface-mount 381‑FBGA (381‑CABGA, 17×17) device supports a supply voltage range of 1.045 V to 1.155 V and an operating temperature range of −40 °C to 100 °C. The ECP5 family datasheet describes on‑chip clocking, memory, SERDES, DDR support and programmable I/O features at the family level.

Key Features

• Logic Capacity  12,000 logic elements (cells) to implement combinational and sequential logic functions.
• Embedded Memory  Approximately 0.59 Mbits of total on‑chip RAM (589,824 bits) for FIFOs, buffers and local storage.
• I/O Density  197 user I/O pins to support broad peripheral and interface connectivity.
• Industrial Temperature Grade  Specified operating range from −40 °C to 100 °C for industrial applications.
• Power Supply  Low-voltage core supply specified between 1.045 V and 1.155 V.
• Package and Mounting  Surface-mount 381‑FBGA package (supplier package: 381‑CABGA, 17×17) for compact PCB integration.
• Family-Level Architecture  ECP5 family features documented in the datasheet include programmable I/O cells, clocking and PLLs, DDR memory support, SERDES and PCS blocks, sysDSP slices, and on‑chip oscillator options.
• Standards and Compliance  RoHS‑compliant for environmental regulatory adherence.

Typical Applications

• Industrial Control  Use the device’s industrial temperature rating and plentiful I/O to implement sensor interfacing, machine control logic, and factory automation functions.
• Protocol Bridging and I/O Aggregation  197 user I/O pins and family-level SERDES/PCS capability make the device suitable for consolidating and converting multiple interfaces on a single FPGA.
• Memory Interface and Buffering  On‑chip RAM and documented DDR memory support (family-level) help implement data buffering and memory interface logic.
• Embedded DSP and Signal Processing  ECP5 family sysDSP slice architecture supports on‑chip DSP functions and fixed‑function arithmetic blocks referenced in the datasheet.

Unique Advantages

• Balanced Logic and Memory  12,000 logic elements combined with approximately 0.59 Mbits of embedded memory provide a balanced resource mix for mid-range FPGA designs.
• I/O-Rich Package  197 I/O pins in a compact 381‑FBGA package reduce the need for external I/O expander components.
• Industrial Reliability  Rated for −40 °C to 100 °C operation, suitable for industrial temperature environments.
• Compact Surface-Mount Integration  381‑CABGA (17×17) surface-mount package aids high‑density PCB layouts and small form‑factor designs.
• Low-Voltage Core Operation  Core supply range of 1.045 V to 1.155 V supports designs targeting lower core power domains.
• Family-Level Feature Set  ECP5 family datasheet documents advanced features such as programmable I/O cells, clocking/PLLs, DDR support, SERDES, and sysDSP slices for system-level design flexibility.

Why Choose LFE5U-12F-8BG381I?

The LFE5U-12F-8BG381I positions itself as a mid-density, industrial-grade FPGA option within the Lattice ECP5 family. With 12,000 logic elements, substantial embedded RAM, and a high I/O count in a compact 381‑FBGA package, it is suited to designs that require a blend of logic capacity, local memory, and broad interface support while meeting industrial temperature requirements.

Designers targeting protocol bridging, embedded DSP tasks, memory interfacing, or dense I/O aggregation can leverage the documented ECP5 family architecture—clocking, DDR support, SERDES, programmable I/O and DSP resources—to implement system functions within a single device footprint.

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