AMD XA6SLX45T-3FGG484I

Overview

XA6SLX45T-3FGG484I from AMD is a Spartan-6 FPGA with 43,661 logic cells, 2.7 Mb of block RAM, and 186 DSP48A1 slices, configured in a 484-pin Fine-Pitch Ball Grid Array (FBGA) package with -3 speed grade and industrial temperature range (-40°C to +100°C). It serves as a reconfigurable logic fabric for embedded control, protocol bridging, and real-time signal processing in harsh-environment industrial systems.

For engineers reviewing the XA6SLX45T-3FGG484I datasheet, pinout, applications, or equivalent options, key selection criteria include I/O count (348 user I/Os), LVDS support (up to 24 differential pairs), DCI termination capability, and extended temperature operation without derating.

Technical Context

The XA6SLX45T-3FGG484I implements a fully configurable logic architecture based on 6-input LUTs and distributed RAM, with dedicated carry chains for arithmetic. It integrates dual-register flip-flops per slice and supports mixed-voltage I/O banks (1.2 V to 3.3 V) with programmable drive strength and slew rate control.

Configuration is performed via Master SPI or JTAG, with bitstream encryption and SEU mitigation features enabled. The device includes integrated clock management using DCMs (Digital Clock Managers) supporting frequency synthesis, phase shifting, and duty cycle correction across eight independent clock regions.

Key Specifications

Pinout & Package

XA6SLX45T-3FGG484I is housed in a 484-ball Fine-Pitch Ball Grid Array (FGG484) package with 348 user-configurable I/Os distributed across 12 I/O banks. Power and ground balls are arranged in dedicated rows/columns per bank to minimize noise coupling and support simultaneous switching noise (SSN) compliance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar reconfigurable logic applications.

Compared with XA6SLX45-3CSG324I, the XA6SLX45T-3FGG484I delivers higher I/O bandwidth and integrated impedance control for high-speed interfaces; versus XQ6SLX45T-3FGG484Q, it offers identical functionality at lower cost and shorter lead time for non-space-grade industrial deployments.

Availability

XA6SLX45T-3FGG484I is available at Aetrix Electronics and suitable for motor drive control, avionics data concentration, railway signaling interface, and oilfield downhole telemetry requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for XA6SLX45T-3FGG484I includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

AMD is a global semiconductor company specializing in adaptive computing, graphics, and AI acceleration technologies with leadership in FPGA, CPU, and GPU design.

The XA Spartan-6 family targets high-reliability industrial, aerospace, and defense applications requiring extended temperature operation, configuration security, and long-term product availability.

FAQ

What is the maximum supported I/O standard voltage for XA6SLX45T-3FGG484I?

The XA6SLX45T-3FGG484I supports I/O standards from 1.2 V to 3.3 V across its 12 independent I/O banks. Each bank can be independently configured for LVCMOS, LVTTL, SSTL, HSTL, or differential standards like LVDS and RSDS. Voltage selection is set per bank via VCCO pins, and all I/Os maintain timing integrity across the full industrial temperature range without derating.

Does XA6SLX45T-3FGG484I include built-in clock management resources?

Yes, the XA6SLX45T-3FGG484I integrates six Digital Clock Managers (DCMs) that provide frequency synthesis, phase shifting, duty cycle correction, and clock doubling. These DCMs support input frequencies up to 500 MHz and deliver low-jitter (< 100 ps RMS) outputs for synchronous logic domains, enabling precise timing control in multi-clock systems without external PLL ICs.

Can XA6SLX45T-3FGG484I be configured via JTAG in-system?

Yes, the XA6SLX45T-3FGG484I supports IEEE 1149.1 JTAG boundary-scan for in-system programming and debugging. JTAG enables configuration bitstream loading, internal register access, and boundary-scan testing without requiring dedicated configuration pins. It also supports partial reconfiguration and debug probe insertion during active operation.

What configuration security features does XA6SLX45T-3FGG484I offer?

The XA6SLX45T-3FGG484I provides AES-128 bitstream encryption with key storage options including external flash memory or on-chip battery-backed RAM. It also supports HMAC-SHA-256 authentication to verify bitstream integrity before loading. Configuration readback is disabled by default and can only be enabled via specific security fuses, preventing unauthorized reverse engineering.

Is XA6SLX45T-3FGG484I compatible with commercial-grade Spartan-6 development tools?

Yes, the XA6SLX45T-3FGG484I uses the same bitstream format and design flow as commercial Spartan-6 FPGAs. It is fully supported by Xilinx ISE Design Suite 14.7, including synthesis, place-and-route, simulation, and programming utilities. No toolchain modifications are required-only device-specific constraints and timing models differ.