LFE2-20E-5FN672I

The LFE2-20E-5FN672I is an ECP2 Field Programmable Gate Array (FPGA) IC from Lattice Semiconductor Corporation designed for industrial-grade applications. It delivers a balanced combination of logic capacity, embedded memory, and high I/O density in a compact ball-grid array package.

With 21,000 logic elements, approximately 0.28 Mbits of embedded RAM, 402 I/Os, a 672-BBGA (672-FPBGA, 27×27) package and a wide operating temperature range, this device targets industrial systems that require reliable digital logic integration and robust operating conditions.

Key Features

• Logic Capacity  21,000 logic elements to implement moderate-density digital designs and custom logic functions.
• Embedded Memory  Approximately 0.28 Mbits (282,624 bits) of on-chip RAM to support buffering, state machines, and small data storage needs.
• High I/O Count  402 I/O pins to connect to multiple peripherals, sensors, and external interfaces without external multiplexing.
• Power Supply  Core voltage range from 1.14 V to 1.26 V to match platform power architectures.
• Package  672-BBGA package (supplier device package: 672-FPBGA, 27×27) for high pin density in a compact surface-mount form factor.
• Industrial Temperature Range  Rated for operation from −40 °C to 100 °C to meet industrial environment requirements.
• RoHS Compliant  Meets RoHS requirements for hazardous substances.

Typical Applications

• Industrial Control  Implement real-time control logic, sequencers, and custom processing functions in industrial automation systems that require an industrial-grade device.
• High-density I/O Systems  Deploy as a central I/O hub for sensor arrays, communication front-ends, or interface bridging where a large number of I/Os is needed.
• Embedded Logic and Memory  Use embedded RAM and logic elements for buffering, protocol handling, and custom state machines in compact embedded designs.

Unique Advantages

• Substantial Logic Resources: 21,000 logic elements provide the capacity to implement complex custom logic without moving to a larger device family.
• Significant On-chip Memory: Approximately 0.28 Mbits of embedded RAM reduces reliance on external memory for small to medium buffering needs.
• Extensive I/O Connectivity: 402 I/O pins simplify designs that require many interfaces, lowering the need for external I/O expanders.
• Industrial-grade Operation: −40 °C to 100 °C operating range supports deployment in demanding industrial environments.
• Compact, High-density Package: 672-BBGA (672-FPBGA, 27×27) enables high pin count in a small footprint for space-constrained boards.
• Low-voltage Core: 1.14 V to 1.26 V supply range aligns with modern low-voltage power domains for efficient integration.

Why Choose LFE2-20E-5FN672I?

The LFE2-20E-5FN672I positions itself as an industrial-grade FPGA option that balances logic capacity, embedded memory, and very high I/O density in a compact package. Its specifications make it well suited for designers who need robust operation across a wide temperature range while maintaining broad connectivity and on-chip resources.

Manufactured by Lattice Semiconductor Corporation, this device is appropriate for projects that require a reliable, industrially rated FPGA with mid-range logic and memory resources, particularly where board space and I/O count are key considerations.

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