AMD XC6SLX45T-2FGG484I

Overview

XC6SLX45T-2FGG484I from AMD (formerly Xilinx) is a Spartan-6 FPGA with 43,661 logic cells, 2.1 Mb of block RAM, 216 DSP48A1 slices, and operates at -2 speed grade (1.2 V core, industrial temperature range -40°C to +100°C). It is used in industrial motor control, embedded vision preprocessing, and protocol bridging applications.

For engineers reviewing the XC6SLX45T-2FGG484I datasheet, pinout, applications, or equivalent options, key selection factors include I/O count (348 user I/Os), LVDS support, SelectIO™ DCI termination, and dual-boot capability for field-upgradable firmware.

Technical Context

The XC6SLX45T-2FGG484I implements a configurable logic fabric based on 6-input LUTs and flip-flops, with dedicated carry logic and shift registers. It integrates clock management via two DCMs (Digital Clock Managers) supporting phase shifting, frequency synthesis, and jitter reduction.

I/O banks are organized into eight groups with independent VCCO and VREF settings, enabling mixed-voltage interface operation. Configuration is supported via Master SPI, Slave Serial, or JTAG, with bitstream encryption and CRC error detection enabled.

Key Specifications

Pinout & Package

XC6SLX45T-2FGG484I is housed in a 484-pin Fine-Pitch Ball Grid Array (FBGA) package with 23 mm × 23 mm body size, 1.0 mm ball pitch, and RoHS-compliant lead-free finish. The package supports thermal dissipation up to 3.5 W under typical industrial operating conditions.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based control and interface applications.

Compared with XC6SLX45-2FGG484I, the XC6SLX45T-2FGG484I adds industrial temperature qualification without logic or I/O trade-offs; versus XC6SLX75T-2FGG484I, it offers identical packaging and lower power at reduced logic capacity - ideal for cost- and thermally constrained industrial designs.

Availability

XC6SLX45T-2FGG484I is available at Aetrix Electronics and suitable for industrial motor control, embedded vision preprocessing, and protocol bridging applications requiring stable component supply across long-lifecycle programs.

Supply support for XC6SLX45T-2FGG484I 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 acquired Xilinx in 2022 and now develops and markets adaptive computing platforms including FPGAs, adaptive SoCs, and AI engines.

The Spartan-6 family was designed for cost-sensitive, high-volume applications requiring low power, small form factor, and reliable I/O interfacing - especially in industrial automation and embedded vision.

FAQ

What is the maximum operating frequency of the XC6SLX45T-2FGG484I?

The XC6SLX45T-2FGG484I supports internal clock frequencies up to 500 MHz when using DCM outputs under worst-case industrial conditions (-40°C to +100°C, 1.2 V ±3%). This is guaranteed by the -2 speed grade and verified through static timing analysis in Xilinx ISE 14.7. Actual system-level performance depends on design complexity and routing congestion. The XC6SLX45T-2FGG484I achieves this while maintaining sub-10 ns setup/hold margins for synchronous I/O interfaces.

Does the XC6SLX45T-2FGG484I support JTAG boundary-scan testing?

Yes, the XC6SLX45T-2FGG484I fully supports IEEE 1149.1 JTAG boundary-scan for PCB-level interconnect testing and in-system programming. All 348 user I/Os are accessible via boundary-scan cells, and the TAP controller is compliant with standard JTAG instruction set (SAMPLE/PRELOAD, EXTEST, IDCODE, BYPASS). The XC6SLX45T-2FGG484I also supports JTAG configuration mode alongside Master SPI and Slave Serial modes.

Can the XC6SLX45T-2FGG484I interface directly with DDR2 SDRAM?

Yes, the XC6SLX45T-2FGG484I supports DDR2 SDRAM interfaces up to 400 Mbps data rate using its SelectIO™ DCI and source-synchronous capture logic. It provides dedicated DQS strobe alignment, write leveling, and read/write calibration primitives. The XC6SLX45T-2FGG484I's 348 I/Os allow full 16-bit DDR2 bus plus address/control lines, and its -2 speed grade ensures timing closure for 200 MHz clock domains required by DDR2-400.

Is bitstream encryption supported on the XC6SLX45T-2FGG484I?

Yes, the XC6SLX45T-2FGG484I supports AES-128 bitstream encryption using a 128-bit key stored in on-chip eFUSE. Encryption is enabled during bitstream generation in Xilinx ISE 14.7 and enforced during configuration. The XC6SLX45T-2FGG484I validates the encrypted bitstream before loading, preventing unauthorized access or tampering. Key programming requires JTAG or dedicated eFUSE programming hardware.

What configuration memory options are compatible with the XC6SLX45T-2FGG484I?

The XC6SLX45T-2FGG484I supports serial NOR flash (SPIx1/x2/x4) with densities from 2 MB to 32 MB for Master SPI configuration. It also supports PROMs such as XCFxxP series and parallel NOR flash in Slave Parallel mode. The XC6SLX45T-2FGG484I's configuration engine handles automatic boot sequence, CRC checking, and fallback to secondary image in Dual-Boot mode - all without external microcontroller intervention.