AMD XC6SLX25-N3CSG324I

Overview

XC6SLX25-N3CSG324I from AMD (formerly Xilinx) is a Spartan-6 FPGA with 24,051 logic cells, 18 Kbits of block RAM, and 186 user I/Os in a 324-pin CSGA package. It operates at -3 speed grade with industrial temperature range (-40°C to +100°C) and supports LVCMOS, LVTTL, SSTL, and differential signaling standards. It is used in industrial control logic and embedded vision preprocessing.

For engineers reviewing the XC6SLX25-N3CSG324I datasheet, pinout, applications, or equivalent options, key selection factors include logic density, I/O voltage flexibility, embedded memory capacity, and industrial-grade thermal reliability.

Technical Context

The XC6SLX25-N3CSG324I implements a configurable logic fabric based on 6-input LUTs and flip-flops, with dedicated DSP48A1 slices for arithmetic operations and clock management via DCM and PLL blocks. It supports configuration through SPI, BPI, or JTAG interfaces and includes SelectIO technology for multi-standard I/O compliance.

It integrates 176 KB of total block RAM (distributed across 192 BRAM primitives), supports partial reconfiguration, and features built-in system monitoring (temperature, supply voltage). The -3 speed grade guarantees timing closure up to 500 MHz for critical paths under industrial conditions.

Key Specifications

Pinout & Package

XC6SLX25-N3CSG324I is housed in a 324-ball fine-pitch CSPBGA (CSG324) package with 1.0 mm ball pitch, 17 mm × 17 mm body size, and standard JEDEC MO-251 footprint. Thermal pad exposed on underside requires solder paste stencil design per Xilinx UG386.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC6SLX16-N3CSG225I and XC6SLX45-N3CSG324I, the XC6SLX25-N3CSG324I delivers balanced logic, memory, and I/O resources for mid-complexity industrial edge applications-avoiding overdesign while maintaining upgrade headroom within the same CSG324 footprint.

Availability

XC6SLX25-N3CSG324I is available at Aetrix Electronics and suitable for industrial automation, embedded vision systems, and motor control applications requiring stable component supply across extended product lifecycles.

Supply support for XC6SLX25-N3CSG324I 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, acquired Xilinx in 2022 to expand its FPGA and adaptive SoC portfolio.

The Spartan-6 family was designed for cost-sensitive, high-volume applications requiring low-power logic integration, robust I/O flexibility, and industrial temperature operation-targeting industrial, automotive, and communications infrastructure markets.

FAQ

What is the maximum operating frequency of the XC6SLX25-N3CSG324I?

The XC6SLX25-N3CSG324I has a -3 speed grade, guaranteeing internal logic timing closure up to 500 MHz for critical paths under industrial temperature conditions. Actual achievable frequency depends on design complexity, routing, and clock domain constraints. The DCM and PLL blocks support output frequencies up to 550 MHz with jitter specifications defined in DS162.

Does the XC6SLX25-N3CSG324I support partial reconfiguration?

Yes, the XC6SLX25-N3CSG324I supports partial reconfiguration through its configuration logic and bitstream architecture. This capability allows dynamic swapping of functional modules without resetting the entire device, enabling flexible runtime adaptation in industrial control and communication protocols. Implementation requires Xilinx ISE 14.7 or later tools and specific HDL partitioning.

What I/O standards are supported by the XC6SLX25-N3CSG324I?

The XC6SLX25-N3CSG324I supports LVCMOS, LVTTL, SSTL, HSTL, and differential standards including LVDS and RSDS via its SelectIO technology. Each of the 12 I/O banks can be independently configured for different voltage levels and standards, enabling direct connection to DDR2 memory, microcontrollers, and image sensors without external level shifters.

Is the XC6SLX25-N3CSG324I qualified for industrial temperature operation?

Yes, the XC6SLX25-N3CSG324I is rated for -40°C to +100°C operation and is fully qualified per Xilinx's industrial temperature specification. This includes validated performance of all logic, memory, and I/O resources across the full range, making it suitable for deployment in fanless enclosures, outdoor edge nodes, and factory-floor environments.

How much block RAM does the XC6SLX25-N3CSG324I provide?

The XC6SLX25-N3CSG324I provides 186 Kbits of total block RAM, distributed across 192 BRAM primitives (each 18 Kbits). This capacity supports dual-port buffering for video line storage, FIFOs for protocol bridging, or lookup tables for real-time control algorithms-all implemented without external memory access.