Xilinx Alveo U250

Alveo U200 and U250
Accelerator Cards
User Guide
UG1289 (v1.1.1) November 20, 2019

Xilinx Alveo U250 Specifications

General

Product Family	Alveo
Model	U250
FPGA Architecture	UltraScale+
Memory Interface	DDR4
System Memory	64 GB
Memory Bandwidth	77 GB/s
PCIe Interface	PCIe Gen 3 x16
Maximum Power	225W
Cooling	Active
Operating Temperature	0°C to 35°C
Form Factor	Full-height
Applications	Data center, machine learning, video processing

Summary

Introduction

Block Diagram

Visual representation of the Alveo U200/U250 accelerator card components and connections.

Card Features Overview

Lists the key features and components of the Alveo U200 and U250 accelerator cards.

Card Specifications

Details physical dimensions, environmental operating ranges, and electrical specifications of the cards.

Design Flows

Describes the recommended design methodologies for targeting the Alveo accelerator cards.

Creating MCS File and Programming

Outlines steps for creating an MCS file and programming the Alveo card using USB-JTAG.

Card Installation and Configuration

Electrostatic Discharge Safety

Essential safety precautions to prevent damage from static electricity when handling the card.

Server Chassis Installation

Guidance for physically installing the Alveo Data Center Accelerator Cards into server hardware.

FPGA Configuration Modes

Explains the two supported FPGA configuration modes: Quad SPI flash and JTAG.

Card Component Description

UltraScale+ FPGA Details

Details the Xilinx Virtex UltraScale+ FPGAs used on the Alveo U200 and U250 cards.

DDR4 DIMM Memory

Describes the four independent dual-rank DDR4 interfaces and memory modules on the card.

Quad SPI Flash Memory

Details the 1 Gb nonvolatile storage for FPGA configuration.

USB Interfaces (JTAGUART)

Explains the USB-based JTAG and UART interfaces for configuration and debugging.

PCI Express Endpoint

Describes the 16-lane PCI Express edge connector and its data transfer capabilities.

QSFP28 Module Connectors

Details the two 4-lane QSFP connectors for optical modules and their associated clocks.

Status LEDs and Power System

Explains the card's status LEDs and power monitoring capabilities.

Xilinx Design Constraints (XDC) File

Regulatory and Compliance Information

CE Directives and Standards

Lists European Union directives and standards applicable to the product.

EMC and Safety Standards

Covers EMC characteristics and safety requirements based on IEC standards.

Compliance Markings

Explains WEEE, RoHS, and CE markings on the product.

Additional Resources and Legal Notices

Xilinx Resources and Documentation

Points to Xilinx support, DocNav, and Design Hubs for further information.

Supplemental Documents and Links

Lists related Xilinx documents, product websites, and external resources.

Important Legal Notices

Automotive Applications Disclaimer

Disclaimer regarding the use of products in automotive safety-critical applications.