LFE3-70EA-7LFN1156C

The LFE3-70EA-7LFN1156C is a commercial-grade FPGA IC from the LatticeECP3 family, delivering a balance of logic density, embedded memory and I/O capacity in a compact 1156-ball BGA package. It features 67,000 logic elements and approximately 4.53 Mbits of on-chip RAM, making it suitable for high-speed, high-density system integration where multiple parallel interfaces and significant on-chip processing are required.

Designed on the LatticeECP3 architecture, the device targets applications that benefit from embedded DSP capabilities, source-synchronous I/O and multi-gigabit serial connectivity available across the family. The part is RoHS-compliant and optimized for surface-mount assembly in a 1156-FPBGA (35×35) footprint.

Key Features

• Logic Capacity — 67,000 logic elements provide substantial programmable logic resources for medium-to-large designs.
• Embedded Memory — Approximately 4.53 Mbits of total on-chip RAM to support frame buffers, packet buffering and algorithm state storage.
• I/O Density — 490 user I/Os to support wide parallel interfaces, multiple peripherals and extensive bus connectivity.
• Embedded SERDES and High-Speed Interfaces (family-level) — LatticeECP3 family includes embedded SERDES supporting multi-gigabit data rates and common protocols; appropriate for designs requiring high-speed serial lanes.
• sysDSP and DSP Resources (family-level) — Family architecture provides cascadable DSP slices for multiply-accumulate operations and high-performance arithmetic processing.
• Power Supply — Core voltage range 1.14 V to 1.26 V to align with low-voltage FPGA power domains.
• Package & Mounting — 1156-BBGA package case, supplier device package 1156-FPBGA (35×35); surface-mount for compact PCB integration.
• Operating Range & Grade — Commercial grade operation from 0 °C to 85 °C.
• Regulatory — RoHS compliant.

Typical Applications

• High-speed serial communications — Use embedded SERDES and family-level multi-gigabit capabilities for protocols such as Ethernet, PCI Express and other serial links where bandwidth and lane density matter.
• Video and broadcast systems — Leverage on-chip memory and DSP resources for buffering, video preprocessing and format conversion in broadcast or professional video equipment.
• Telecom and networking — Implement packet processing, interface bridging and timing-sensitive logic using abundant I/Os and embedded memory.
• Industrial control and instrumentation — Employ programmable logic and extensive I/O for sensor aggregation, control algorithms and deterministic interfacing in commercial industrial systems.

Unique Advantages

• High logic density in a single device: 67,000 logic elements reduce the need for multiple FPGAs, simplifying system design and lowering BOM complexity.
• Substantial on-chip memory: Approximately 4.53 Mbits of embedded RAM supports large buffers and local data storage, minimizing external memory dependence.
• Large I/O complement: 490 user I/Os enable broad peripheral connectivity and parallel interfaces without external multiplexing.
• Compact, production-ready packaging: 1156-FPBGA (35×35) surface-mount package supports high-density PCB layouts while maintaining thermal and signal-route efficiency.
• Commercial temperature and RoHS compliance: Designed for mainstream production environments with regulatory compliance for lead-free assembly.
• Low-voltage core operation: 1.14 V–1.26 V core supply helps align power architecture for modern low-voltage systems.

Why Choose LFE3-70EA-7LFN1156C?

The LFE3-70EA-7LFN1156C positions itself as a capable, cost-conscious FPGA choice within the LatticeECP3 family for designers needing a balance of logic resources, on-chip memory and extensive I/O in a compact BGA package. It suits design teams targeting medium-to-high logic complexity with multiple high-speed or parallel interfaces while maintaining commercial temperature operation and RoHS compliance.

With family-level support for embedded SERDES, DSP slices and system features from the LatticeECP3 architecture, this device offers a pathway to scalable designs that leverage an established FPGA ecosystem for configuration, analysis and system integration.

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