LFEC3E-4TN144C-3I of Lattice LatticeECP/EC Family

LFEC3E-4TN144C-3I FPGAs Overview

The LatticeECP/EC family of FPGA devices has been optimized to deliver mainstream FPGA features at low cost. For maximum performance and value, the LatticeECP (EConomy Plus) FPGA concept combines an efficient FPGA fabric with high-speed dedicated functions. Lattice’s first family to implement this approach is the LatticeECP-DSP (EConomy Plus DSP) family, providing dedicated high-performance DSP blocks on-chip. The LatticeEC (EConomy) family supports all the general purpose features of LatticeECP devices without dedicated function blocks to achieve lower cost solutions.

The LatticeECP/EC FPGA fabric, which was designed from the outset with low cost in mind, contains all the critical FPGA elements: LUT-based logic, distributed and embedded memory, PLLs and support for mainstream I/Os. Dedicated DDR memory interface logic is also included to support this memory that is becoming increasingly prevalent in cost-sensitive applications.

The ispLEVER design tool from Lattice allows large complex designs to be efficiently implemented using the LatticeECP/EC family of FPGA devices. Synthesis library support for LatticeECP/EC is available for popular logic synthesis tools. The ispLEVER tool uses the synthesis tool output along with the constraints from its floor planning tools to place and route the design in the LatticeECP/EC device. The ispLEVER tool extracts the timing from the routing and back-annotates it into the design for timing verification.

Lattice provides many pre-designed IP (Intellectual Property) ispLeverCORE modules for the LatticeECP/EC family. By using these IPs as standardized blocks, designers are free to concentrate on the unique aspects of their design, increasing their productivity.

Features

■ Extensive Density and Package Options

• 1.5K to 41K LUT4s

• 65 to 576 I/Os

• Density migration supported

■ sysDSP Block (LatticeECP Versions)

• High performance multiply and accumulate

• 4 to 10 blocks

− 4 to 10 36x36 multipliers or

– 16 to 40 18x18 multipliers or

− 32 to 80 9x9 multipliers

■ Embedded and Distributed Memory

• 18 Kbits to 645 Kbits sysMEM Embedded Block RAM (EBR)

• Up to 163 Kbits distributed RAM

• Flexible memory resources:

− Distributed and block memory

■ Flexible I/O Buffer

• Programmable sysIO buffer supports wide range of interfaces:

− LVCMOS 3.3/2.5/1.8/1.5/1.2

− LVTTL − SSTL 3/2 Class I, II, SSTL18 Class I

− HSTL 18 Class I, II, III, HSTL15 Class I, III

− PCI

− LVDS, Bus-LVDS, LVPECL, RSDS

■ Dedicated DDR Memory Support

• Implements interface up to DDR400 (200MHz)

■ sysCLOCK PLLs

• Up to 4 analog PLLs per device

• Clock multiply, divide and phase shifting

■ System Level Support

• IEEE Standard 1149.1 Boundary Scan, plus ispTRACY internal logic analyzer capability

• SPI boot flash interface

• 1.2V power supply

■ Low Cost FPGA

• Features optimized for mainstream applications

• Low cost TQFP and PQFP packaging

FAQ

Q: Does the price of LFEC3E-4TN144C-3I devices fluctuate frequently?
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Q: How can I obtain software development tools related to the Lattice FPGA platform?
Lattice's development environment uses Diamone. These recommendations are all reference opinions. The specific choice depends on personal habits and functional requirements to specifically select a more suitable match. You can search and download through the FPGA resource channel.
Q: Where can I purchase Lattice LFEC3 Development Boards, Evaluation Boards, or LatticeECP/EC Starter Kit? also provide technical information?
FPGAkey does not provide development board purchase services for the time being, but customers often consult about ZedBoard, Basys 3 board, TinyFPGA BX, Nexys4-DDR, Terasic DE10-Nano, Digilent Arty S7, etc. If you need relevant technical information, you can submit feedback information, our technicians will contact you soon.
Q: How to obtain LFEC3E-4TN144C-3I technical support documents?
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