LFEC3E-5T100C

The LFEC3E-5T100C is an EC field programmable gate array (FPGA) from Lattice Semiconductor Corporation configured in a 100-pin LQFP package. It delivers 3,100 logic elements and approximately 56,320 bits of on-chip RAM, combined with 67 user I/Os to implement custom digital logic in commercial-grade designs.

With a low-voltage core supply range of 1.14 V to 1.26 V and a commercial operating range of 0 °C to 85 °C, the device targets embedded systems and board-level applications that require compact, programmable logic in a surface-mount 100-pin package.

Key Features

• Core Logic  3,100 logic elements provide a flexible fabric for implementing custom digital functions and glue logic.
• Configurable Logic Blocks (CLBs)  384 CLBs available for structuring logic into efficient, reusable blocks.
• Embedded Memory  Approximately 56,320 bits of on-chip RAM for buffers, FIFOs, and small data stores.
• I/O  67 user I/Os support a range of board-level interfacing and signal management tasks.
• Power  Core voltage supply range of 1.14 V to 1.26 V for low-voltage operation and power-conscious designs.
• Package and Mounting  100-LQFP package (supplier device package listed as 100-TQFP, 14×14) in a surface-mount form factor for compact PCB layouts.
• Operating Range  Commercial temperature grade: 0 °C to 85 °C, suitable for standard commercial environments.
• Compliance  RoHS compliant to support regulatory requirements for lead-free assembly.

Typical Applications

• Embedded Control  Implement custom control logic and timing-critical functions using the device's 3,100 logic elements and on-chip RAM.
• Board-Level Glue Logic  Bridge and adapt interfaces on mixed-signal or digital PCBs with 67 available I/Os in a compact 100-pin package.
• Prototype and Small-Scale Production  Use the commercial-grade FPGA for development platforms and low-to-moderate volume products that operate within 0 °C to 85 °C.

Unique Advantages

• Compact, surface-mount package: 100-LQFP package provides a balance of I/O count and PCB footprint for space-constrained designs.
• Moderate logic and memory capacity: 3,100 logic elements and ~56,320 bits of RAM enable a wide set of digital functions while keeping BOM complexity low.
• Flexible I/O provisioning: 67 user I/Os allow diverse interfacing options without additional external logic components.
• Low-voltage core operation: 1.14 V to 1.26 V supply range supports designs targeting lower power consumption at the FPGA core.
• Commercial temperature rating: Rated 0 °C to 85 °C for reliable operation across standard commercial environments.
• RoHS compliant: Meets lead-free assembly requirements for contemporary manufacturing processes.

Why Choose LFEC3E-5T100C?

The LFEC3E-5T100C positions itself as a commercially graded, compact FPGA option that combines a practical logic element count (3,100), on-chip RAM (approximately 56,320 bits), and a usable I/O complement (67 pins) in a 100-pin surface-mount package. Its low-voltage core supply and RoHS compliance make it suitable for modern, space-conscious embedded designs that operate within standard commercial temperature ranges.

This device is well suited for engineers and procurement teams looking for a balance of programmable logic capacity, on-chip memory, and I/O flexibility for board-level integration, prototyping, and small to medium production runs.

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