LFE5U-25F-8BG381I

The LFE5U-25F-8BG381I is an industrial-grade member of the ECP5 FPGA family from Lattice Semiconductor, offering a mid-range programmable logic device with 24,000 logic elements and approximately 1.03 Mbits of embedded RAM. Packaged in a 381-FBGA (381-CABGA, 17×17) surface-mount package and providing 197 I/O, this device targets designs that require a balance of logic density, on-chip memory, and high I/O count within an industrial operating range.

Built on the ECP5 family architecture, the device supports the family’s configurable clocking, programmable I/O cells, DDR memory support and SERDES/PHY capabilities as described in the ECP5 family datasheet, enabling integration of timing-critical logic, memory buffering and high-density I/O interfaces.

Key Features

• Core Logic  Approximately 24,000 logic elements (logic element cells) to implement mid-range programmable logic and custom digital functions.
• Embedded Memory  Approximately 1.03 Mbits of on-chip RAM for data buffering, state storage and local memory needs.
• I/O and Package  197 programmable I/Os delivered in a 381-FBGA (381-CABGA, 17×17) surface-mount package for high pin-count board designs.
• Power  Core supply operating range from 1.045 V to 1.155 V to match system power design and sequencing requirements.
• Temperature and Grade  Industrial-grade device with an operating temperature range of −40 °C to 100 °C for demanding environmental conditions.
• Family Capabilities (ECP5)  ECP5 family architecture features referenced in the datasheet: flexible clocking (PLLs), DDR memory support, programmable I/O cells, SERDES and on-chip configuration options.
• Compliance  RoHS compliant to support environmental and manufacturing requirements.

Typical Applications

• Industrial Control  FPGA-based control logic and custom state machines operating across an industrial temperature range.
• High-Density I/O Interfaces  Systems needing many programmable I/Os for protocol bridging, sensor arrays or multi-channel digital I/O.
• Embedded Memory and Buffering  Designs requiring on-chip RAM for packet buffering, small data queues or local storage in signal processing paths.
• Custom Signal Processing  Mid-range signal processing tasks using the device’s logic fabric and ECP5 family DSP/clocking capabilities.

Unique Advantages

• Mid-range logic density: 24,000 logic elements provide capacity for sizable custom digital designs without moving to larger device families.
• Integrated on-chip memory: Approximately 1.03 Mbits of embedded RAM reduces external memory dependency and simplifies board design.
• High I/O count in compact package: 197 I/Os in a 381-FBGA (17×17) package enable high pin-count interfaces while conserving PCB area.
• Industrial temperature operation: Rated for −40 °C to 100 °C to meet many industrial and harsh-environment deployment needs.
• Tight core supply window: Core voltage range of 1.045 V to 1.155 V supports precise power sequencing and predictable core behavior.
• Standards-conscious manufacturing: RoHS compliance supports regulated manufacturing and shipment requirements.

Why Choose LFE5U-25F-8BG381I?

The LFE5U-25F-8BG381I brings a balanced combination of logic density, embedded memory and high I/O integration in an industrial-grade ECP5-family device. It is suited for engineers who need a mid-range FPGA that supports on-chip buffering and extensive I/O while operating over a wide temperature range.

As a member of the ECP5 family from Lattice Semiconductor, this device leverages the family’s documented architecture for configurable clocking, I/O and memory features, making it a practical choice for designs that require predictable capabilities and a compact, high-density package.

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