AMD XC6SLX45-L1CSG324C

Overview

XC6SLX45-L1CSG324C from AMD (formerly Xilinx) is a Spartan-6 FPGA with 43,661 logic cells, 2.1 Mb of block RAM, 186 DSP48A1 slices, and operates at -1 speed grade (1.2 V core, industrial temperature range). It is used in industrial control logic, video interface bridging, and embedded vision preprocessing.

For engineers reviewing the XC6SLX45-L1CSG324C datasheet, pinout, applications, or equivalent options, key selection factors include I/O count (204 user I/Os), LVDS support, SelectIO™ voltage flexibility (1.2–3.3 V), and integrated clock management (DCM + PLL).

Technical Context

The XC6SLX45-L1CSG324C implements a configurable logic fabric based on 6-input LUTs and flip-flops, with dedicated routing for high-speed I/O and internal clock networks. It integrates two Digital Clock Managers (DCMs) and one Phase-Locked Loop (PLL) for clock synthesis, multiplication, phase shifting, and jitter reduction.

It supports multiple I/O standards including LVCMOS, LVTTL, PCI, SSTL, HSTL, and differential standards such as LVDS, RSDS, and BLVDS. Configuration is performed via Master SPI, Slave Serial, or JTAG modes using external PROM or processor-controlled loading.

Key Specifications

Pinout & Package

XC6SLX45-L1CSG324C is housed in a 324-pin CSG (Chip-Scale Grid Array) package with 204 user I/Os, 10 dedicated configuration pins, 8 global clock inputs, and power/ground distribution optimized for low-noise operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC6SLX45-2CSG324C, the XC6SLX45-L1CSG324C trades maximum clock frequency for relaxed timing constraints and lower power; compared with XC6SLX25-L1CSG324C, it delivers 81% more logic and 17% more RAM for scalable vision or protocol stack implementations.

Availability

XC6SLX45-L1CSG324C is available at Aetrix Electronics and suitable for industrial motion control, video interface bridging, and embedded vision preprocessing requiring stable component supply across extended product lifecycles.

Supply support for XC6SLX45-L1CSG324C 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 continues development and support of the Spartan-6 FPGA family under the AMD Adaptive SoC portfolio.

The Spartan-6 family was designed for cost-sensitive, high-volume applications requiring balanced logic density, I/O flexibility, and low-power operation - especially in industrial automation, video, and embedded systems.

FAQ

What is the operating temperature range for XC6SLX45-L1CSG324C?

The XC6SLX45-L1CSG324C is rated for industrial temperature operation from –40°C to +100°C. This range is guaranteed under the -1 speed grade specification and applies to all user I/Os, configuration interfaces, and internal logic resources. The device uses thermal monitoring circuitry to support safe operation in enclosed or convection-cooled environments. XC6SLX45-L1CSG324C must be operated within this range to meet timing and reliability specifications.

Does XC6SLX45-L1CSG324C support JTAG boundary-scan testing?

Yes, XC6SLX45-L1CSG324C fully supports IEEE 1149.1 JTAG boundary-scan for PCB-level interconnect testing and in-system programming. TDI, TDO, TMS, TCK, and TCK are assigned to dedicated pins and function independently of user I/O banks. XC6SLX45-L1CSG324C also allows JTAG access to configuration memory for readback and verification. This capability is active across all supported configuration modes.

Can XC6SLX45-L1CSG324C implement a PCIe endpoint interface?

No, XC6SLX45-L1CSG324C does not include native PCIe hard IP blocks. While soft-core PCIe solutions exist in the Xilinx IP catalog, they require significant logic resources and do not achieve Gen1 x1 compliance without external PHY. XC6SLX45-L1CSG324C lacks the transceivers and dedicated PCIe endpoints found in later families like Artix-7 or Kintex-7. For PCIe connectivity, a different FPGA family is required.

What configuration memory options are compatible with XC6SLX45-L1CSG324C?

XC6SLX45-L1CSG324C supports standard SPI serial flash devices including Micron, Spansion, and Macronix parts with densities from 2 MB to 16 MB. It is validated with Xilinx-approved PROMs such as the XCFxx series. Configuration bitstream compression reduces effective storage requirements by ~30%. XC6SLX45-L1CSG324C reads configuration data in 32-bit words and supports dual-boot via M[2:0] pin settings.

Is XC6SLX45-L1CSG324C RoHS compliant and lead-free?

Yes, XC6SLX45-L1CSG324C is RoHS compliant and manufactured with lead-free (Pb-free) packaging. The CSG324 package uses matte tin finish on all solder balls and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) requirements. Full compliance documentation, including substance declarations and test reports, is available through AMD's Product Change Notification (PCN) system for XC6SLX45-L1CSG324C.