LAV-AT-X70-3LFG1156C
| Part Description |
Avant™-X Field Programmable Gate Array (FPGA) IC 554 4239360 637000 1156-BBGA, FCBGA |
|---|---|
| Quantity | 937 Available (as of October 8, 2026) |
| Product Category | Field Programmable Gate Array (FPGA) |
|---|---|
| Manufacturer | Lattice Semiconductor Corporation |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 8 Weeks |
| Datasheet |
Specifications & Environmental
| Device Package | 1156-FCBGA (35x35) | Grade | Commercial | Operating Temperature | 0°C – 85°C | ||
|---|---|---|---|---|---|---|---|
| Package / Case | 1156-BBGA, FCBGA | Number of I/O | 554 | Voltage | 820 mV | ||
| Mounting Method | Surface Mount | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Moisture Sensitivity Level | N/A | Number of LABs/CLBs | N/A | Number of Logic Elements/Cells | 637000 | ||
| Number of Gates | N/A | ECCN | N/A | HTS Code | N/A | ||
| Qualification | N/A | Total RAM Bits | 4239360 |
Overview of LAV-AT-X70-3LFG1156C – Avant™-X Field Programmable Gate Array (FPGA) IC
The LAV-AT-X70-3LFG1156C is a commercial-grade Avant™-X FPGA from Lattice Semiconductor Corporation. It implements a high-density programmable fabric with on-chip memory and an extensive I/O complement intended for commercial embedded and communications-oriented designs.
Architected around the Avant platform, the device includes programmable functional unit blocks, a comprehensive clocking structure, memory and DSP resources, and PHY/serdes capabilities described in the Avant platform documentation. It is supplied in a 1156-ball FCBGA (35 × 35 mm) surface-mount package and is RoHS compliant.
Key Features
- Logic Fabric 637,000 logic element cells provide high logic density for complex programmable designs, as defined by the device specifications and Avant platform architecture.
- Embedded Memory Approximately 4.24 Mbits of on-chip RAM (4,239,360 total RAM bits) with sysMEM capabilities including single/dual/pseudo-dual port modes, FIFO modes, memory initialization and cascading as described in the Avant platform documentation.
- I/O Capacity and Programmable I/O 554 I/O pins with Avant platform programmable I/O cells (PIC) and sysI/O banking features to support a broad set of I/O requirements and standards referenced in the platform overview.
- Clocking and Timing Comprehensive clocking architecture documented for the Avant platform including on-chip oscillator, PLL, global/regional/edge clocks, PHYCLK, clock synchronizers/dividers, dynamic clock select/control and DLL delay features.
- Memory and PHY Support DDR memory support with DDRPHY features and DQS grouping described in the platform overview to enable high-bandwidth memory interfaces.
- SERDES and PCS SERDES/PMA blocks, Multi-Protocol PCS and MPPHY integration are part of the Avant platform capabilities for serial communication protocols and high-speed link implementations.
- Programmable DSP sysDSP resources are included in the Avant platform architecture for arithmetic and signal processing functions (details outlined in platform documentation).
- Configuration and System Features Device configuration features covered in the datasheet include enhanced configuration options, JTAG, SEU handling and trace ID facilities.
- Package and Mechanical 1156‑BBGA FCBGA package (supplier package: 1156‑FCBGA, 35 × 35 mm) designed for surface-mount assembly.
- Electrical and Environmental Voltage supply specified at 820 mV; commercial operating temperature range 0 °C to 85 °C; RoHS compliant.
Typical Applications
- Commercial communications equipment — Implement protocol processing, SERDES-based links and multi-protocol PHY integration using the device’s SERDES/PCS and PHY capabilities.
- High-bandwidth memory interfaces — Leverage DDRPHY and DQS grouping support for DDR memory interfacing in systems requiring on-board memory buffering and high throughput.
- Embedded processing and acceleration — Use the combination of 637,000 logic elements and sysDSP resources for custom acceleration and complex control logic in commercial embedded systems.
- High I/O count systems — Apply the 554 I/O pins and programmable I/O cell features for designs that require extensive peripheral connectivity and flexible I/O standards.
Unique Advantages
- High-density logic capacity: 637,000 logic element cells enable complex logic integration on a single device, reducing the need for multiple FPGAs.
- Substantial embedded memory: Approximately 4.24 Mbits of on-chip RAM with sysMEM features supports local buffering, FIFOs and multi-port memory configurations.
- Extensive I/O flexibility: 554 I/Os combined with programmable I/O cells and a banking scheme provide wide interfacing options for varied signal standards.
- Comprehensive clocking architecture: On-chip oscillator, PLLs and multiple clock domains support flexible timing architectures and dynamic clock control for complex systems.
- PHY and SERDES integration: DDRPHY support plus SERDES/PMA and Multi-Protocol PCS/PHY capabilities enable high-speed serial and memory interfaces without additional external PHY devices.
- Compact, manufacturable package: 1156‑FCBGA (35 × 35 mm) surface-mount package simplifies PCB layout for dense designs while meeting RoHS requirements.
Why Choose LAV-AT-X70-3LFG1156C?
The LAV-AT-X70-3LFG1156C positions the Avant™-X platform in a commercial FPGA offering that combines significant logic density, multi-megabit embedded memory, and a broad set of platform-level features including advanced clocking, DDRPHY and SERDES/PCS capabilities. These attributes make it suitable for designers who need high integration and flexible I/O in commercial embedded and communications applications.
Designers can rely on the Avant platform documentation for detailed architecture and feature descriptions to support system-level integration, configuration and timing planning. The device’s packaging, operating range and RoHS compliance align it with standard commercial manufacturing and assembly flows.
Request a quote or submit your procurement inquiry for the LAV-AT-X70-3LFG1156C to receive pricing and availability information.

Date Founded: 1983
Headquarters: Hillsboro, Oregon, USA
Employees: 1,000+
Revenue: $627.7 Million
Certifications and Memberships: ISO9001:2015, ISO14001:2015, IATF16949:2016