LFEC3E-5TN144C

The LFEC3E-5TN144C is an EC-family Field Programmable Gate Array from Lattice Semiconductor Corporation, designed for commercial embedded applications. The device implements a mid-range FPGA fabric with programmable logic, embedded memory, and on-chip clocking to address control, interface and integration tasks in cost-sensitive designs.

Key architectural attributes include approximately 3,100 logic elements, roughly 56,320 bits of on-chip RAM, and 97 user I/Os in a 144-pin LQFP surface-mount package, making it suitable for compact commercial electronic systems.

Key Features

• Logic Capacity  Approximately 3,100 logic elements and 384 configurable logic blocks (CLBs) for implementing combinational and sequential logic.
• Embedded Memory  Approximately 56,320 bits of on-chip RAM to support buffering, small data stores and state machines.
• I/O and Packaging  97 I/O pins delivered in a 144-LQFP surface-mount package (supplier package: 144-TQFP, 20 × 20 mm) for dense peripheral interfacing.
• Power Supply  Core supply operating range of 1.14 V to 1.26 V to match system power domains.
• Clocking  Device-level PLL support (family-level implementations include multiple analog PLLs) for clock multiplication, division and phase control.
• Commercial Grade  Rated for operation from 0 °C to 85 °C and specified as commercial grade for mainstream applications.
• Mounting & Compliance  Surface-mount package and RoHS-compliant construction for modern manufacturing and environmental requirements.
• Design Ecosystem  Supported by the Lattice ispLEVER design tool suite and family IP to streamline implementation and migration within the LatticeECP/EC family.

Typical Applications

• Commercial Embedded Systems  Integrate custom logic, interface bridging and control functions where a moderate logic/memory footprint is required.
• Protocol and Peripheral Interfaces  Aggregate and translate multiple I/O signals using the device’s 97 user I/Os in compact board layouts.
• Prototyping and Evaluation  Use as a mid-range FPGA target for developing and validating system-level logic and IP on a 144-pin package.
• Consumer Electronics  Implement user interfaces, sensor aggregation and control logic in space-constrained commercial products.

Unique Advantages

• Balanced Logic and Memory:  Around 3,100 logic elements paired with approximately 56 Kbits of embedded RAM enable compact implementations without extensive external memory.
• High I/O Density in a Compact Package:  97 I/Os in a 144-LQFP package provide substantial connectivity while supporting surface-mount assembly.
• Low-Voltage Core:  A defined core supply range (1.14 V–1.26 V) helps align the FPGA with modern low-voltage systems and power rails.
• Commercial-Grade Temperature Range:  Specified operation from 0 °C to 85 °C for mainstream commercial deployments.
• RoHS Compliant:  Manufactured to meet RoHS requirements for environmental compliance in production.
• Family and Toolchain Support:  Part of the LatticeECP/EC family with ispLEVER tool support and available family IP for faster design integration and potential density migration.

Why Choose LFEC3E-5TN144C?

The LFEC3E-5TN144C combines a practical mix of logic density, on-chip RAM and I/O capacity in a compact 144-pin surface-mount package, positioned for commercial embedded applications that demand integration and manufacturability. Its specification set—including a low-voltage core range, a commercial temperature rating and RoHS compliance—makes it a pragmatic choice for designers seeking a mid-range FPGA solution within the LatticeECP/EC ecosystem.

With toolchain and IP resources available across the LatticeECP/EC family, the LFEC3E-5TN144C supports efficient design implementation and potential device migration paths as designs scale or evolve.

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