AMD XC6SLX45-2CSG484C

Overview

XC6SLX45-2CSG484C from AMD (formerly Xilinx) is a Spartan-6 FPGA featuring 43,661 logic cells, 2.1 Mb of block RAM, 216 DSP48A1 slices, and operates at -2 speed grade with commercial temperature range (0°C to 85°C). It is used in industrial control logic, video interface bridging, and embedded vision preprocessing.

For engineers reviewing the XC6SLX45-2CSG484C datasheet, pinout, applications, or equivalent options, key selection factors include I/O count (348 user I/Os), LVDS support, integrated clock management (DCM and PLL), and compatibility with Spartan-6 design tools and IP cores.

Technical Context

The XC6SLX45-2CSG484C implements a configurable logic fabric based on 6-input LUTs and flip-flops, with dedicated carry logic for arithmetic. It integrates dual-clock management units (DCMs) and one PLL for clock synthesis, phase shifting, and jitter reduction.

I/O banks support multiple standards including LVCMOS, LVTTL, LVDS, and SSTL, with programmable drive strength and slew rate per bank. Configuration is performed via SPI, BPI, or JTAG interfaces using external PROM or processor-controlled loading.

Key Specifications

Pinout & Package

XC6SLX45-2CSG484C is housed in a 484-pin Chip Scale Ball Grid Array (CSG484) package with 23×23 array, 1.0 mm ball pitch, and thermal pad. Pin functions are organized into 12 I/O banks, configuration pins (INIT_B, PROGRAM_B, DONE), JTAG interface (TCK/TMS/TDI/TDO), and dedicated clock inputs (CLKIN_0/1).

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC6SLX45-2CSG484C, the -3 variant offers improved timing margin without changing pinout or power profile, while the XC6SLX25-2CSG324C reduces cost and footprint but requires logic reduction and I/O remapping.

Availability

XC6SLX45-2CSG484C is available at Aetrix Electronics and suitable for industrial motion control, video interface bridging, and embedded vision preprocessing requiring stable component supply and long-term design continuity.

Supply support for XC6SLX45-2CSG484C 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, graphics, and visualization technologies for data center, client, and embedded markets.

The Spartan-6 family was designed for high-volume, cost-sensitive applications requiring balanced logic density, I/O count, and power efficiency - especially in industrial automation, video, and communications infrastructure.

FAQ

What is the maximum supported I/O standard voltage for XC6SLX45-2CSG484C?

XC6SLX45-2CSG484C supports I/O voltages from 1.2 V to 3.3 V across its 12 I/O banks. Each bank is independently configurable for VCCO levels including 1.2 V, 1.35 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V. This allows mixed-voltage interfacing - for example, connecting to both 1.8 V sensors and 3.3 V legacy peripherals within the same design using XC6SLX45-2CSG484C.

Does XC6SLX45-2CSG484C support JTAG boundary-scan testing?

Yes, XC6SLX45-2CSG484C fully complies with IEEE 1149.1 (JTAG) for boundary-scan testing and in-system programming. Its TCK, TMS, TDI, and TDO pins provide standardized access to internal scan chains, allowing verification of PCB interconnects and configuration integrity. This capability is integral to production test flows and debug of systems using XC6SLX45-2CSG484C.

Can XC6SLX45-2CSG484C be configured via SPI flash memory?

Yes, XC6SLX45-2CSG484C supports master SPI configuration mode, enabling direct boot from industry-standard serial NOR flash devices such as Spansion S25FL series. The FPGA initiates read operations upon power-up, eliminating need for external microcontroller intervention. This configuration method is widely used in field-deployed systems relying on XC6SLX45-2CSG484C for reliable, autonomous startup.

What clocking resources are integrated into XC6SLX45-2CSG484C?

XC6SLX45-2CSG484C integrates two Digital Clock Managers (DCMs) and one Phase-Locked Loop (PLL). These support frequency synthesis, duty-cycle correction, phase shifting, and jitter reduction. Input clocks can be applied directly to dedicated CLKIN pins, and outputs drive internal logic or I/O banks. All clocking resources are accessible and configurable in Vivado and ISE toolchains for XC6SLX45-2CSG484C designs.

Is XC6SLX45-2CSG484C qualified for automotive applications?

No, XC6SLX45-2CSG484C is rated for commercial temperature range (0°C to +85°C) and is not AEC-Q100 qualified. It lacks extended temperature screening, automotive-grade packaging, and failure-in-time (FIT) data required for automotive ECUs. For automotive use cases, designers must select Xilinx Automotive (XA) variants such as XC6SLX45-2CSG484I, which undergo additional qualification testing beyond the standard XC6SLX45-2CSG484C.