AMD XC6SLX25-3FGG484I

Overview

XC6SLX25-3FGG484I from AMD (formerly Xilinx) is a Spartan-6 FPGA featuring 24,051 logic cells, 1,824 Kbits of block RAM, and operates at -3 speed grade with industrial temperature range (-40°C to +100°C). It integrates dual 18×18 multipliers, DSP48A1 slices, and supports LVDS, SSTL, and HSTL I/O standards for embedded control and interface bridging.

For engineers reviewing the XC6SLX25-3FGG484I datasheet, pinout, applications, or equivalent options, key selection factors include logic density, I/O voltage flexibility, embedded memory depth, and industrial-grade thermal reliability in space-constrained programmable logic designs.

Technical Context

The XC6SLX25-3FGG484I implements a configurable logic fabric based on 6-input LUTs and flip-flops, with dedicated carry logic for arithmetic. It includes six CMT clock management tiles-each with DCM and PLL-for jitter-reduced clock synthesis and phase alignment across multiple domains.

I/O banks support independent VCCO per bank (1.2V–3.3V), enabling mixed-voltage interfacing. Configuration occurs via Master SPI, Slave SelectMAP, or JTAG, with bitstream encryption and SEU mitigation features enabled in industrial-grade configuration mode.

Key Specifications

Pinout & Package

XC6SLX25-3FGG484I is housed in a 484-pin Fine-Pitch Ball Grid Array (FBGA) package with 29×29 mm body size, 1.0 mm ball pitch, and RoHS-compliant lead-free finish. The package supports thermal dissipation up to 2.7 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 XC6SLX45-3FGG484I and XC7S25-2CSGA225I, the XC6SLX25-3FGG484I offers optimal balance of I/O flexibility, industrial temperature support, and proven LVDS transceiver performance-making it ideal for established Spartan-6 migration paths and mixed-signal interface consolidation.

Availability

XC6SLX25-3FGG484I is available at Aetrix Electronics and suitable for industrial PLC modules, automated test equipment, video interface bridges, and motor drive control units requiring stable component supply across extended product lifecycles.

Supply support for XC6SLX25-3FGG484I 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 leader delivering adaptive computing solutions, including FPGAs, adaptive SoCs, and AI accelerators for data center, embedded, and edge applications.

The Spartan-6 family was engineered for cost-sensitive, high-volume industrial and automotive applications requiring reliable programmable logic with flexible I/O and low power consumption.

FAQ

What is the maximum supported I/O standard voltage for XC6SLX25-3FGG484I?

The XC6SLX25-3FGG484I supports I/O voltages from 1.2V to 3.3V per bank, with independent VCCO supply for each of its eight I/O banks. This allows concurrent interfacing to multiple voltage domains such as DDR2 (1.8V), LVDS (2.5V), and 3.3V peripherals without external level shifters. The XC6SLX25-3FGG484I datasheet specifies absolute maximum ratings and recommended operating conditions for each standard.

Does XC6SLX25-3FGG484I support configuration via JTAG only?

No, the XC6SLX25-3FGG484I supports three primary configuration modes: Master SPI (default), Slave SelectMAP, and JTAG. JTAG is used for debugging and programming during development, while Master SPI enables autonomous boot from external flash. The XC6SLX25-3FGG484I requires correct M0–M2 pin strapping to select the desired mode at power-up.

What is the purpose of the CMT blocks in XC6SLX25-3FGG484I?

The XC6SLX25-3FGG484I contains six Clock Management Tiles (CMTs), each integrating a Digital Clock Manager (DCM) and Phase-Locked Loop (PLL). These provide clock multiplication, division, phase shifting, and jitter filtering-enabling precise timing control across multiple I/O standards and internal logic domains. The XC6SLX25-3FGG484I uses CMT outputs to synchronize LVDS receivers, DDR2 interfaces, and internal state machines.

Can XC6SLX25-3FGG484I operate reliably at 100°C junction temperature?

Yes, the XC6SLX25-3FGG484I is rated for industrial temperature operation from –40°C to +100°C ambient, with thermal design guidelines specifying maximum junction temperature limits under defined airflow and PCB copper area. Its -3 speed grade ensures timing closure at full temperature range, and the XC6SLX25-3FGG484I has been validated in sealed enclosures with passive cooling in motor drive applications.

How many DSP48A1 slices does XC6SLX25-3FGG484I include?

The XC6SLX25-3FGG484I includes 64 DSP48A1 slices, each capable of performing 18×18-bit signed multiplication with optional addition, pipelining, and accumulator chaining. These slices are distributed across the logic fabric to support parallel arithmetic operations in applications like motor control, FIR filtering, and real-time image processing. The XC6SLX25-3FGG484I's DSP resource count is fixed and documented in the Spartan-6 FPGA Data Sheet (DS162).