LFE3-70EA-7FN1156C
| Part Description |
ECP3 Field Programmable Gate Array (FPGA) IC 490 4526080 67000 1156-BBGA |
|---|---|
| Quantity | 1,216 Available (as of October 8, 2026) |
| Product Category | Field Programmable Gate Array (FPGA) |
|---|---|
| Manufacturer | Lattice Semiconductor Corporation |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 20 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 1156-FPBGA (35x35) | Grade | Commercial | Operating Temperature | 0°C – 85°C | ||
|---|---|---|---|---|---|---|---|
| Package / Case | 1156-BBGA | Number of I/O | 490 | Voltage | 1.14 V - 1.26 V | ||
| Mounting Method | Surface Mount | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Moisture Sensitivity Level | 3 (168 Hours) | Number of LABs/CLBs | 8375 | Number of Logic Elements/Cells | 67000 | ||
| Number of Gates | N/A | ECCN | 3A991D | HTS Code | 8542.39.0001 | ||
| Qualification | N/A | Total RAM Bits | 4526080 |
Overview of LFE3-70EA-7FN1156C – ECP3 FPGA, 67,000 logic elements, 490 I/O, 1156-BBGA
The LFE3-70EA-7FN1156C is a Lattice ECP3 family field programmable gate array (FPGA) device featuring approximately 67,000 logic elements and roughly 4.53 Mbits of embedded memory. Built for applications that require dense logic, flexible I/O and on-chip memory, this commercial-grade, surface-mount device is supplied in a 1156-ball BGA package and supports a wide range of system integration tasks.
This device targets designs that need high I/O counts, DSP-style processing and flexible configuration options while operating within a 1.14 V to 1.26 V core supply range and a 0 °C to 85 °C commercial temperature range.
Key Features
- Core Logic Approximately 67,000 logic elements provide substantial LUT-based logic capacity for complex FPGA designs.
- On‑chip Memory Approximately 4.53 Mbits of embedded RAM (total RAM bits: 4,526,080) to support frame buffers, FIFOs and algorithm state storage.
- I/O and Package 490 user I/Os in a 1156-BBGA (supplier package: 1156-FPBGA, 35×35 mm) surface-mount package for dense board-level connectivity.
- Power and Temperature Core supply range of 1.14 V to 1.26 V and commercial operating temperature from 0 °C to 85 °C to match standard commercial deployments.
- High‑Speed Serial and DSP Features Family-level features include embedded SERDES with multi-hundred Mbps to multi-Gbps capability and a sysDSP architecture for high-performance multiply-accumulate operations suitable for signal processing tasks.
- Clocking and Timing Multiple PLL and DLL resources are available in the ECP3 family (family documentation shows up to ten PLLs and two DLLs) for flexible clock management and source-synchronous interfaces.
- Flexible Configuration Family-level configuration options include SPI boot flash support, dual-boot images, slave SPI and TransFR I/O for field updates, plus soft error detect macros.
- System Support Family documentation references IEEE 1149.1 and IEEE 1532 support, on-chip oscillator, and vendor tools for configuration and visibility (logic analyzer and configuration utilities).
- RoHS Compliant Device meets RoHS environmental requirements.
Typical Applications
- Telecommunications & Networking Use embedded SERDES and high I/O density to implement line cards, packet processing, and protocol bridging for Ethernet, SONET/SDH and other serial interfaces.
- High‑Speed Serial Interfaces Implement SERDES-based links and multi-protocol physical layers where flexible lane counts and on-chip clocking simplify board design.
- DSP and Signal Processing Leverage sysDSP slices and on-chip RAM for filtering, FFTs, and other multiply-accumulate–heavy algorithms in communications and imaging pipelines.
- Embedded System Integration Combine logic, memory and abundant I/O to consolidate multiple functions—protocol adapters, control logic and peripheral interfaces—into a single FPGA device.
Unique Advantages
- High Logic Density: Approximately 67,000 logic elements enable complex, integrated system designs while reducing the need for multiple discrete components.
- Substantial On‑Chip Memory: About 4.53 Mbits of embedded memory supports large buffering and state storage without external RAM for many applications.
- Large I/O Count in Compact Package: 490 I/Os in a 35×35 mm 1156-BBGA package provide extensive external connectivity while conserving PCB area.
- Flexible Configuration Options: SPI boot, dual-boot capability and field update support simplify development and in-field maintenance workflows.
- Designed for High‑Speed Interfaces: Family-level SERDES and robust clocking resources make the device suitable for multi-gigabit serial links and source-synchronous interfaces.
- Commercial-Grade, RoHS Compliant: Commercial operating range and environmental compliance align with standard volume electronic product requirements.
Why Choose LFE3-70EA-7FN1156C?
The LFE3-70EA-7FN1156C places substantial logic, memory and I/O resources into a single commercial‑grade, surface-mount FPGA package. Its combination of approximately 67,000 logic elements, roughly 4.53 Mbits of embedded memory and 490 I/Os makes it a strong choice for designs that require dense integration of DSP, protocol handling and I/O-rich functions.
Engineers building communication equipment, embedded processing platforms or complex system controllers will find the ECP3 family features—high-speed serial support, flexible clocking and multiple configuration options—helpful for reducing board-level complexity and accelerating development. The device's commercial temperature grading and RoHS compliance support standard production deployments.
Request a quote or submit an inquiry to check current pricing and availability for the LFE3-70EA-7FN1156C and to discuss how it can fit into your next design.

Date Founded: 1983
Headquarters: Hillsboro, Oregon, USA
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