XC6SLX45T-3FGG484I Xilinx Spartan-6 FPGA
XC6SLX45T-3FGG484I 赛灵思 Xilinx Spartan-6 家族中容量较大的 LX FPGA 类器件，面向对成本敏感但仍需较强实时信号处理与逻辑并行能力的嵌入式与系统应用。Spartan-6 系列基于 Xilinx 的较成熟工艺，强调低功耗、低成本和良好的 I/O/时序可控性，常用于工业控制、视频前端、通信接口、接口桥接与中等复杂度的加速器等场景。
器件架构与可编程资源（结构性描述）
Spartan-6 的基本可编程块由切片（slice）和查找表（LUT）、触发器（FF）构成，器件通过一系列的逻辑块/列状资源组织成可伸缩的逻辑矩阵。器件内置块 RAM（可配置为不同宽深的 BRAM）用于实现片上缓冲和FIFO功能，同时可用的分布式 RAM 与移位寄存器（SRL）为小容量高速缓存提供灵活选项。为加速数值运算，器件集成了硬化的乘加（DSP）单元，可用于 FIR、滤波、矩阵或其他乘加密集型算法。
I/O、封装与电气特性（要点）
FGG484 类型的 BGA 封装为器件提供了大量的 I/O 引脚与电源球，可支持多种 I/O 标准（例如 LVCMOS、LVTTL、SSTL、HSTL、LVDS 等），并按 bank 分区对不同银行提供独立的 VCCO 供电。器件要求多个电源域（核心电源、辅助电源、各 I/O bank 的 VCCO 等），电源去耦、接地平面与电源分层必须在 PCB 设计中严格处理。
时钟管理与高速接口
器件包含时钟管理资源（PLL/时钟缓冲等），用于生成、分配与抖动抑制系统时钟，支持对不同时钟域的相位/频率管理。对于需要高速串行链路的设计，要注意 Spartan-6 中并非所有变体都集成高性能 SerDes 收发器；若设计需大量 Gb 级串行通道，需要核实该封装/子型号是否具备相应的收发器或选择带收发器的变体。对于差分收发与高速并行接口（例如并行摄像头接口、DDR2/DDR3 外存控制器等）要做好阻抗控制与长度匹配，并严格遵循信号完整性规范。
以下是 Xilinx Spartan-6 FPGA 其他型号选型：
XC6SLX9-N3FTG256C XC6SLX100T-N3FGG900I XC6SLX45T-4CSG324C XC6SLX25T-3CSG324C XC6SLX150T-4FGG676C
XC6SLX9-N3CSG324C XC6SLX100T-N3FGG676I XC6SLX45T-3FGG484I XC6SLX25T-2FGG484I XC6SLX150T-4FGG484C
XC6SLX9-N3CSG225I XC6SLX100T-N3FGG676C XC6SLX45T3FGG484I XC6SLX25T-2FGG484C XC6SLX150T-3FGG900I
XC6SLX9-L1TQG144I XC6SLX100T-N3FGG484I XC6SLX45T-3FGG484C XC6SLX25T-2FG484I XC6SLX150T-3FGG900C
XC6SLX9-L1FT256I XC6SLX100T-N3FG900I XC6SLX45T3FGG484C XC6SLX25T-2FG484C XC6SLX150T-3FGG676I
XC6SLX9-L1CSG324I XC6SLX100T-N3FG676I XC6SLX45T-3FG484I XC6SLX25T-2CSG324I XC6SLX150T3FGG676I
XC6SLX9-L1CSG225I XC6SLX100T-N3FG676C XC6SLX45T-3FG484C XC6SLX25T-2CSG324C XC6SLX150T-3FGG676C
XC6SLX9-L1CSG225C XC6SLX100T-N3FG484I XC6SLX45T-3CSG484I XC6SLX25-N3FTG256I XC6SLX150T-3FGG676
XC6SLX9-L1CPG196I XC6SLX100T-N3FG484C XC6SLX45T-3CSG484C XC6SLX25-N3FTG256C XC6SLX150T-3FGG484I
XC6SLX9-FTG256BIV XC6SLX100T-N3CSG484I XC6SLX45T-3CSG324I XC6SLX25-N3FT256C XC6SLX150T-3FGG484C
XC6SLX9-3TQG144I XC6SLX100T-N3CSG484C XC6SLX45T-3CSG324C XC6SLX25-N3FGG484C XC6SLX150T-3FG900I
XC6SLX9-3TQG144C XC6SLX100T-4FGG900C XC6SLX45T-2FGG484I XC6SLX25-N3FG484I XC6SLX150T-3FG900C
XC6SLX93TQG144C XC6SLX100T-4FGG676C XC6SLX45T-2FGG484C XC6SLX25-N3FG484C XC6SLX150T-3FG676I
XC6SLX9-3FTG256I XC6SLX100T-4FGG484C XC6SLX45T2FGG484C XC6SLX25-N3CSG324I XC6SLX150T-3FG676C
XC6SLX9-3FTG256C XC6SLX100T-4CSG484C XC6SLX45T-2FGG484 XC6SLX25-N3CSG324C XC6SLX150T-3FG484C
XC6SLX9-3FTG256 XC6SLX100T-3FGG900I XC6SLX45T-2FG484I XC6SLX25-L1FTG256I XC6SLX150T-3CSG484I
XC6SLX9-3FT256I XC6SLX100T-3FGG900C XC6SLX45T-2FG484C XC6SLX25-L1CSG324I XC6SLX150T-3CSG484C
XC6SLX9-3CSG324I XC6SLX100T-3FGG900 XC6SLX45T-2CSG484I XC6SLX25-FTG256BIV XC6SLX150T-2FGG900I
XC6SLX9-3CSG324C XC6SLX100T-3FGG676I XC6SLX45T-2CSG484C XC6SLX25-FTG256 XC6SLX150T-2FGG900C
XC6SLX9-3CSG225I XC6SLX100T-3FGG676C XC6SLX45T-2CSG324I XC6SLX25-3FTG256I XC6SLX150T-2FGG676I
XC6SLX9-3CSG225C XC6SLX100T-3FGG484I XC6SLX45T-2CSG324C XC6SLX25-3FTG256C XC6SLX150T-2FGG676C
XC6SLX9-3CPG196C XC6SLX100T-3FGG484C XC6SLX45-N3FGG676I XC6SLX25-3FT256I XC6SLX150T-2FGG484I
XC6SLX9-2TQG144I XC6SLX100T3FGG484C XC6SLX45-N3FGG676C XC6SLX25-3FT256C XC6SLX150T-2FGG484C
XC6SLX92TQG144I XC6SLX100T-3FGG484 XC6SLX45-N3FGG484I XC6SLX25-3FGG484I XC6SLX150T-2FG900C
XC6SLX9-2TQG144C XC6SLX100T-3FG900I XC6SLX45-N3FGG484C XC6SLX25-3FGG484C XC6SLX150T-2FG676I
XC6SLX92TQG144C XC6SLX100T-3FG676I XC6SLX45-N3FG676I XC6SLX25-3FG484I XC6SLX150T-2FG676C
XC6SLX9-2TQG144 XC6SLX100T-3FG484I XC6SLX45-N3FG676C XC6SLX25-3FG484C XC6SLX150T-2FG484I
XC6SLX9-2TQ144C XC6SLX100T-3CSG484I XC6SLX45-N3FG484I XC6SLX25-3CSG324I XC6SLX150T-2FG484C
XC6SLX9-2FTG256I XC6SLX100T-3CSG484C XC6SLX45-N3FG484C XC6SLX25-3CSG324C XC6SLX150T-2CSG484I
XC6SLX9-2FTG256C XC6SLX100T-2FGG900I XC6SLX45-N3CSG484I XC6SLX25-2FTG256I XC6SLX150T-2CSG484C
XC6SLX92FTG256C XC6SLX100T-2FGG900C XC6SLX45-N3CSG484C XC6SLX252FTG256I XC6SLX150-N3FGG900I
XC6SLX9-2FT256I XC6SLX100T-2FGG676I XC6SLX45-N3CSG324I XC6SLX25-2FTG256C XC6SLX150-N3FGG676I
XC6SLX9-2FT256C XC6SLX100T-2FGG676C XC6SLX45-N3CSG324C XC6SLX252FTG256C XC6SLX150-N3FGG676C
XC6SLX9-2CSG324I XC6SLX100T-2FGG484I XC6SLX45-L1FGG676I XC6SLX25-2FT256I XC6SLX150-N3FGG484I
XC6SLX9-2CSG324C XC6SLX100T-2FGG484C XC6SLX45-L1FGG676C XC6SLX25-2FT256C XC6SLX150-N3FGG484C
XC6SLX9-2CSG225I XC6SLX100T-2FG900I XC6SLX45-L1FGG484I XC6SLX25-2FGG484I XC6SLX150-N3CSG484I
XC6SLX9-2CSG225C XC6SLX100T-2FG900C XC6SLX45-L1FGG484C XC6SLX25-2FGG484C XC6SLX150-L1FGG900C
XC6SLX92CSG225C XC6SLX100T-2FG676I XC6SLX45-L1CSG484I XC6SLX252FGG484C XC6SLX150-L1FGG484I
XC6SLX9-2CPG196I XC6SLX100T-2FG676C XC6SLX45-L1CSG324I XC6SLX25-2FG484I XC6SLX150-L1FGG484C
XC6SLX9-2CPG196C XC6SLX100T-2FG484I XC6SLX45-L1CSG324C XC6SLX25-2FG484C XC6SLX150-L1FG900C
XC6SLX9-1TQG144I XC6SLX100T-2CSG484I XC6SLX45FGG484 XC6SLX25-2CSG324I XC6SLX150-L1FG484I
XC6SLX9-1FTG256I XC6SLX100T-2CSG484C XC6SLX45CSG324 XC6SLX25-2CSG324C XC6SLX150-L1CSG484I
XC6SLX75T-N3FGG676I XC6SLX100T-1FGG484C XC6SLX45-3FGG676I XC6SLX252CSG324C XC6SLX150-3FGG900I
XC6SLX75T-N3FGG676C XC6SLX100-N3FGG676I XC6SLX45-3FGG676C XC6SLX25-2CSG324 XC6SLX150-3FGG900C
XC6SLX75T-N3FGG484I XC6SLX100-N3FGG676C XC6SLX45-3FGG484I XC6SLX16-N3FTG256C XC6SLX1503FGG900C
XC6SLX75T-N3FGG484C XC6SLX100-N3FG484I XC6SLX45-3FGG484C XC6SLX16-N3FT256I XC6SLX150-3FGG676I
XC6SLX75T-N3FG676C XC6SLX100-N3FG484C XC6SLX453FGG484C XC6SLX16-N3CSG324I XC6SLX1503FGG676I
XC6SLX75T-N3FG484C XC6SLX100-N3CSG484I XC6SLX45-3FGG484 XC6SLX16-N3CSG324C XC6SLX150-3FGG676C
XC6SLX75T-N3CSG484I XC6SLX100-N3CSG484C XC6SLX45-3FG676I XC6SLX16-N3CSG225I XC6SLX1503FGG676C
XC6SLX75T-4FGG484C XC6SLX100-L1FGG676I XC6SLX45-3FG676C XC6SLX16-N3CSG225C XC6SLX150-3FGG676
XC6SLX75T-4CSG484C XC6SLX100-L1FGG676C XC6SLX45-3FG484I XC6SLX16-L1FTG256I XC6SLX150-3FGG484I
XC6SLX75T-3FGG676I XC6SLX100-L1FGG484I XC6SLX45-3FG484C XC6SLX16-L1FT256I XC6SLX1503FGG484I
XC6SLX75T-3FGG676C XC6SLX100-L1FG676I XC6SLX45-3CSG484I XC6SLX16-L1CSG324I XC6SLX150-3FGG484C
XC6SLX75T-3FGG484I XC6SLX100-L1FG676C XC6SLX45-3CSG484C XC6SLX16-L1CSG324C XC6SLX150-3FGG484
XC6SLX75T-3FGG484C XC6SLX100-L1FG484I XC6SLX45-3CSG324I XC6SLX16-L1CSG225I XC6SLX150-3FG676I
XC6SLX75T-3FG676I XC6SLX100-L1CSG484I XC6SLX45-3CSG324C XC6SLX16-L1CSG225C XC6SLX150-3FG676C
XC6SLX75T-3FG484I XC6SLX100-L1CSG484C XC6SLX453CSG324C XC6SLX16-L1CPG196I XC6SLX150-3FG484I
XC6SLX75T-3CSG484I XC6SLX100-3FGG676I XC6SLX45-2FGG676I XC6SLX16-L1CPG196C XC6SLX150-3FG484C
XC6SLX75T-3CSG484C XC6SLX100-3FGG676C XC6SLX45-2FGG676C XC6SLX16-FTG256DIV XC6SLX150-3CSG484I
XC6SLX75T-2FGG676I XC6SLX100-3FGG484I XC6SLX45-2FGG484I XC6SLX16-CSG324 XC6SLX150-3CSG484C
XC6SLX75T-2FGG676C XC6SLX100-3FGG484C XC6SLX45-2FGG484CES XC6SLX16-3FTG256I XC6SLX150-2FGG900I
XC6SLX75T-2FGG484I XC6SLX100-3FG676I XC6SLX45-2FGG484C XC6SLX16-3FTG256C XC6SLX150-2FGG900C
XC6SLX75T-2FGG484C XC6SLX100-3FG676C XC6SLX452FGG484C XC6SLX16-3FTG256 XC6SLX150-2FGG676I
XC6SLX75T-2FG676I XC6SLX100-3FG484I XC6SLX45-2FGG484 XC6SLX16-3FT256I XC6SLX150-2FGG676C
XC6SLX75T-2FG484I XC6SLX100-3FG484C XC6SLX45-2FG676I XC6SLX16-3FT256C XC6SLX150-2FGG484I
XC6SLX75T-2CSG484I XC6SLX100-3CSG484I XC6SLX45-2FG484I XC6SLX16-3CSG324I XC6SLX150-2FGG484C
XC6SLX75T-2CSG484C XC6SLX100-3CSG484C XC6SLX45-2FG484C XC6SLX16-3CSG324C XC6SLX150-2FG900I
XC6SLX75-N3FGG676I XC6SLX100-2FGG676I XC6SLX45-2CSG484I XC6SLX16-3CSG225I XC6SLX150-2FG676I
XC6SLX75-N3FGG676C XC6SLX1002FGG676I XC6SLX452CSG484I XC6SLX16-3CSG225C XC6SLX150-2FG676C
XC6SLX75-N3FGG484I XC6SLX100-2FGG676C XC6SLX45-2CSG484C XC6SLX16-3CPG196I XC6SLX150-2FG484I
XC6SLX75-N3CSG484C XC6SLX100-2FGG676 XC6SLX452CSG484C XC6SLX16-3CPG196C XC6SLX150-2FG484C
XC6SLX75-L1FGG484I XC6SLX100-2FGG484I XC6SLX45-2CSG324I XC6SLX16-2FTG256I XC6SLX150-2CSG484I
XC6SLX75-L1FGG484C XC6SLX100-2FGG484C XC6SLX452CSG324I XC6SLX162FTG256I XC6SLX1502CSG484I
XC6SLX75-L1FG676I XC6SLX1002FGG484C XC6SLX45-2CSG324C XC6SLX16-2FTG256C XC6SLX150-2CSG484C
XC6SLX75-L1CSG484I XC6SLX100-2FG676I XC6SLX4-3TQG144I XC6SLX16-2FT256I XC6SLX150T-N3FGG676C
XC6SLX75-L1CSG484C XC6SLX100-2FG676C XC6SLX4-3TQG144C XC6SLX16-2FT256C XC6SLX150T-N3FGG484I
XC6SLX75-3FGG676I XC6SLX100-2FG484C XC6SLX4-3CSG225I XC6SLX16-2CSG324I XC6SLX150T-N3FGG484C
XC6SLX75-3FGG676C XC6SLX100-2CSG484I XC6SLX4-3CSG225C XC6SLX162CSG324I XC6SLX150T-N3FG676I
XC6SLX75-3FGG484I XC6SLX100-2CSG484C XC6SLX4-3CPG196I XC6SLX16-2CSG324C XC6SLX150T-N3FG676C
XC6SLX75-3FGG484C XA6SLX9-2FTG256Q XC6SLX4-3CPG196C XC6SLX162CSG324C XC6SLX150T-N3FG484I
XC6SLX75-3FG676I XA6SLX9-2CSG324Q XC6SLX4-2TQG144I XC6SLX16-2CSG324 XC6SLX150T-N3FG484C
XC6SLX75-3FG676C XA6SLX9-2CSG324I XC6SLX4-2TQG144C XC6SLX16-2CSG225I XC6SLX150T-N3CSG484I
XC6SLX75-3FG484I XA6SLX45T-2FGG484Q XC6SLX4-2CSG225I XC6SLX16-2CSG225C XC6SLX150T-N3CSG484C
XC6SLX75-3CSG484I XA6SLX45-3FGG484I XC6SLX4-2CSG225C XC6SLX162CSG225C XC6SLX25T-N3FG484C
XC6SLX753CSG484I XA6SLX45-3CSG324Q XC6SLX4-2CPG196I XC6SLX16-2CPG196I XC6SLX25T-N3CSG324I
XC6SLX75-3CSG484C XA6SLX45-3CSG324I XC6SLX4-2CPG196C XC6SLX16-2CPG196C XC6SLX25T-N3CSG324C
XC6SLX75-2FGG676I XA6SLX45-2FGG484Q XC6SLX4-1CSG225I XC6SLX16-1CSG324I XC6SLX25T-4FGG484C
XC6SLX75-2FGG676C XA6SLX45-2CSG324Q XC6SLX4-1CSG225C XC6SLX16-1CSG225I XC6SLX25T-4CSG324C
XC6SLX75-2FGG484I XA6SLX45-2CSG324I XC6SLX25T-N3FGG484C XC6SLX150T-N3FGG676I XC6SLX25T-3FGG484I
XC6SLX75-2FGG484C XA6SLX4-2CSG225I XA6SLX25T-2CSG324Q XA6SLX16-3FTG256Q XC6SLX25T-3FGG484C
XC6SLX752FGG484C XC6SLX75-2CSG484I XA6SLX25-3FTG256Q XA6SLX16-2FTG256Q XC6SLX25T-3FG484I
XC6SLX75-2FG676I XC6SLX752CSG484I XA6SLX25-3CSG324I XA6SLX16-2CSG324Q XC6SLX25T-3CSG324I
XC6SLX75-2FG484I XC6SLX75-2CSG484C XA6SLX25-2CSG324Q XA6SLX100-2FGG484Q XC6SLX45T-4CSG484C
XC6SLX45T-N3FGG484C