XC6SLX45-2FGG484C - Spartan-6 LX FPGA, 43,661 Logic Cells | AMD
MPN： XC6SLX45-2FGG484C ✓ 啟用中XC6SLX45-2FGG484C 概覽
A Field Programmable Gate Array (FPGA) is a reconfigurable semiconductor device whose logic and routing are defined by a user-programmed configuration bitstream rather than at fabrication. FPGAs occupy the wider hierarchy of programmable logic devices (PLD) -> reconfigurable logic -> parallel processing accelerators -> digital integrated circuits (IC). The Spartan-6 family specifically targets cost-sensitive, high-volume embedded designs where power efficiency and integrated peripherals matter more than the absolute performance of a Virtex-class device.
Key features of the XC6SLX45 include 2,011 Kbit of block RAM, 58 DSP48A1 slices running up to 390 MHz, four clock management tiles (CMTs) each containing two DCMs and one PLL, and SelectIO technology supporting I/O voltages from 1.2 V to 3.3 V on a per-bank basis. The device also exposes an integrated hard Endpoint block for PCI Express Gen1 in the LXT variant, plus a 10/100/1000 Ethernet MAC. The FGG484 package, measuring 23 x 23 mm with 1.0 mm pitch, is pin-compatible across all Spartan-6 LX/LXT devices with this ball-out.
Architecturally the SLX45 uses a 45 nm copper CMOS process with a 6-input LUT-based logic fabric, dedicated carry chains, distributed RAM capability, and a high-performance SerDes-capable I/O ring in the LX variant. Each CMT generates up to 8 derivative clock domains from a single reference, enabling precise multi-clock synthesis for video, memory, and high-speed serial interfaces.
Typical applications include industrial motor control, video and image processing pipelines, automotive driver assistance systems (non-AEC), consumer electronics requiring display or camera bridging, and low-cost software-defined radio front-ends. The wide I/O count and integrated memory controllers make it a popular bridge between parallel microcontrollers and high-speed serial sensors.
When designing the power tree, ensure a four-rail supply (1.2 V Vccint, 2.5 V Vccaux, 1.8 V-3.3 V Vcco per bank, and a separate Vccbatt for the encryption battery domain on protected devices). Decoupling on each rail should follow the Spartan-6 PCB Design Guide with 100 nF per Vcc/Vcco pin and bulk capacitance of 100 uF minimum near the package.
This page synthesizes distributor pricing across five authorized channels, drop-in same-footprint alternatives, and practical design notes derived from the Spartan-6 family datasheet that you will not find on a single manufacturer or distributor page.
直接替換替代品，適用於 XC6SLX45-2FGG484C — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： XC6SLX45-2FGG484C （相同外形與佔位） — 差異在於 Package, Block RAM, Operating Temperature, Speed Grade, Logic Cells.
XC6SLX45-2FGG484I
✅ 直接替換聯絡詢價
查看資料表 →XC6SLX45-2FGG484CES
✅ 直接替換📋 參考替代品（不在目錄中）
XC6SLX45-3FGG484C
✅ 直接替換聯絡詢價
查看資料表 →XC6SLX45-1FGG484C
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
XC6SLX45T-2FGG484C
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
XC6SLX45-2FGG484C 最大額定值與電氣特性
| Product Series | Spartan-6 LX |
| Family | XC6SLX45 |
| Speed Grade | -2 |
| Logic Cells | 43,661 |
| System Gates | 2,138,112 |
| User I/O Pins | 316 |
| Block RAM | 2088 Kbit |
| DSP Slices | 58 (DSP48A1) |
| Clock Management Tiles (CMTs) | 4 |
| Core Voltage (Vccint) | 1.14 V to 1.26 V |
| Auxiliary Voltage (Vccaux) | 2.375 V to 2.625 V |
| 工作溫度 | 0 C to 85 C (Commercial) |
| 封裝 | FBGA-484 (FGG484), 23 x 23 mm, 1.0 mm pitch |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | RoHS Compliant |
XC6SLX45-2FGG484C fbga-484 (fgg484), 23 x 23 mm, 1.0 mm pitch 腳位配置指南
XC6SLX45-2FGG484C（fbga-484 (fgg484), 23 x 23 mm, 1.0 mm pitch 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： XC6SLX45-2FGG484C.
請參閱 資料表 以查看完整腳位配置。
典型應用
XC6SLX45-2FGG484C 適用於 6 應用s: Industrial Motor Control, Video and Image Processing Pipelines, Software-Defined Radio (SDR) Front-End, Consumer Display and Camera Bridges, Aerospace and Defense Auxiliary Logic, Networking and Telecom Backplane Bridges.
Industrial Motor Control
The XC6SLX45-2FGG484C is well suited to industrial motor control loops thanks to its 58 DSP48A1 slices running at up to 390 MHz, which deliver the multiply-accumulate throughput required for field-oriented control (FOC) and space-vector PWM. Its four CMTs generate precisely phase-shifted carrier clocks for three-phase inverter switching, while 2088 Kbit of block RAM buffers sensor and encoder traces. The 316 user I/Os accept many parallel Hall/encoder channels plus the analog-front-end ADC interfacing typical of servo drives. Unlike discrete DSP+MCU stacks, the LX45 absorbs both the feedback control loop and the supervisory comms (EtherCAT, CANopen) in one reprogrammable device, saving board real estate. Spartan-6 45 nm process gives low cost per DMA channel and a wide I/O voltage window for mixed 3.3 V logic and 1.8 V analog-front-end rails.
推薦
Video and Image Processing Pipelines
For multi-camera video aggregation and color-pipeline processing, the XC6SLX45-2FGG484C's 316 user I/Os accommodate up to eight parallel camera interfaces plus HDMI/DisplayPort bridge logic. Its 2088 Kbit block RAM and distributed RAM combine to buffer full-HD frame slices, while 58 DSP48A1 slices perform 5x5 convolution kernels, 2D DCT, and motion estimation in real time. The four CMTs lock to incoming pixel clocks and generate derivative pixel-clock domains for memory-controller and display-bridge domains simultaneously. The 45 nm Spartan-6 LX logic cells are plentiful enough to host both the imaging pipeline and the I2C/SPI camera control masters on a single die. Compared to dedicated ISPs, the LX45 allows field-upgrades to support new sensor resolutions through a bitstream swap, no silicon change required.
推薦
Software-Defined Radio (SDR) Front-End
The XC6SLX45-2FGG484C supports cost-sensitive SDR front-ends such as narrowband IoT receivers and amateur-radio transceivers. Its 2088 Kbit block RAM stages FFT windows of 1024 samples for spectral analysis at baseband I/Q sample rates up to ~80 MSPS. The 58 DSP48A1 slices sustain quadrature demodulation, digital filtering, and an entire 256-point FFT at sample rates practical for low-power SDR applications. SelectIO technology supports LVDS-pair inputs at sub-1 ns setup/hold, capturing 14-bit ADC outputs without external glue logic. The -2 speed grade at Vccint 1.14 V to 1.26 V is selected to balance timing margin against dynamic power dissipation across band-decoded logic paths. Compared to ASSP DSPs, the LX45 adds reconfigurability for experimental RF chains across both receive and transmit paths.
推薦
Consumer Display and Camera Bridges
In consumer electronics, the XC6SLX45-2FGG484C is often used to bridge between MIPI-CSI camera sensors and parallel-RGB or HDMI displays. Its 316 user I/Os accept multiple MIPI virtual channels mapped onto SelectIO pairs in high-speed DDR mode, while internal block RAM line-buffers a 1080p display stream for scaling and color conversion. Engineers implement I2C, SPI, and PWM generators for backlight and touchscreen controllers in soft logic, eliminating external glue PLDs. Spartan-6 CMTs produce pixel clocks at any required line/frame rate from a single crystal, supporting industrial displays up to 120 Hz. The 45 nm Spartan-6 LX family's low static power keeps total system cost below the ASSP-display-controller cost-line for small-batch consumer goods.
推薦
Aerospace and Defense Auxiliary Logic
Engineers designing aerospace and defense subsystems still favor mature Spartan-6 LX devices for long-lifecycle auxiliary logic, serial multiplexing, and sensor aggregation. The XC6SLX45-2FGG484C in commercial temperature grade is acceptable for non-vibration-critical sub-systems operating between 0 C and 85 C, while industrial variants extend that range for avionics equipment bays. Radiation-tolerant applications typically use larger Virtex-5QV devices, but Spartan-6 LX supports secondary logic in space-deployable instrument cubesats where cost per kilogram matters. The 316 user I/Os handle many MIL-STD-1553, ARINC 429, and discrete sensor inputs without external expansion. AMD's long lifecycle commitments and the FGG484-compatible migration path to Artix-7 protect against obsolescence across multi-year aerospace programs.
推薦
Networking and Telecom Backplane Bridges
Telecom backplanes and enterprise networking gear often need protocol bridges between legacy TDM interfaces and modern Ethernet switches, which is a sweet spot for the XC6SLX45-2FGG484C. The 2088 Kbit block RAM stores voice samples in 8 ms frames for TDM aggregation, while the four CMTs multiply backbone clocks to drive GMII and RGMII interfaces to the Ethernet MAC. Engineers implement UART, SPI, GPIO, and PCIe soft cores for control-plane and management interfaces alongside the data-plane bridges. The -2 speed grade at Vccint 1.14 V to 1.26 V supports 250 MHz DDR SelectIO so 1 Gbps MACs run on commodity pins. Compared to proprietary networking ASSPs, the LX45 lets you support multiple backplane standards in a single FPGA, so a single SKU serves multiple product variants.
推薦
推薦產品摘要
工程參考資料，適用於 XC6SLX45-2FGG484C — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | XC6SLX45-2FGG484I | XC6SLX45-2FGG484CES | XC6SLX45-3FGG484C | XC6SLX45-1FGG484C | XC6SLX45T-2FGG484C |
|---|---|---|---|---|---|---|
| Brand | AMD | AMD | AMD | AMD | AMD | AMD |
| Package | FBGA-484 (FGG484), 23x23 mm, 1.0 mm pitch | FBGA-484 (FGG484) - same | FBGA-484 (FGG484) - same | FBGA-484 (FGG484) - same | FBGA-484 (FGG484) - same | FBGA-484 (FGG484) - same |
| Speed Grade | -2 | -2 | -2 | -3 (highest Fmax) | -1L (low power, slowest Fmax) | -2 |
| Temperature Range | 0 C to +85 C (Commercial) | -40 C to +100 C (Industrial) | 0 C to +85 C (Commercial Extended Support) | 0 C to +85 C | 0 C to +85 C | 0 C to +85 C |
| Logic Cells | 43,661 | 43,661 (same die) | 43,661 (same die) | 43,661 (same die) | 43,661 (same die) | 43,661 (same die, +transceivers) |
| User I/O | 316 | 316 | 316 | 316 | 316 | ~296 (some balls reserved for GTX) |
| Block RAM | 2088 Kbit | 2088 Kbit | 2088 Kbit | 2088 Kbit | 2088 Kbit | 2088 Kbit |
| Transceivers | None (LX variant) | None | None | None | None | GTX transceivers (up to 3.2 Gbps) |
主要差異化特點
- Temperature range flexibility on identical footprint (對比XC6SLX45-2FGG484I)
- Extended Support lifecycle designation (對比XC6SLX45-2FGG484CES)
- Higher Fmax versus lower temperature envelope (對比XC6SLX45-3FGG484C)
- Lower dynamic power at cost of Fmax (對比XC6SLX45-1FGG484C)
- Adds high-speed transceivers on same footprint (對比XC6SLX45T-2FGG484C)
設計說明
Estimated: Spartan-6 LX45 typical application power is ~1.5 W to 3 W from Vccint (1.2 V) plus additional I/O dynamic power. Decoupling per Vccint/Vccaux pin uses 100 nF ceramic caps placed within 5 mm; add at least one 100 uF bulk near the package per the Spartan-6 PCB Design Guide. The Vccbatt pin (encryption battery domain) on protected devices requires an unbroken battery or supercapacitor connection to retain AES keys.
Estimate: the FGG484 BGA at 1.0 mm pitch requires 4-layer PCB minimum with 0.4 mm microvias for inner rows; pair escape routing between GND/Vccint planes for clean return paths. SelectIO toggle rates above 200 MHz need matched-pair length-matching (50 ps tolerance) on LVDS pairs. Reference MG370 (Spartan-6 PCB Design Guide) and UG401 (Series-7 migration) for full design-rule details.
Do not connect Vcco banks to 3.3 V when using LVDS inputs - the -2 speed grade only supports LVDS_25 and LVDS_33 at very specific banks per DS160. The T variant's GTX balls must NOT be driven as plain user I/O; consult UG366 before designing netlist. Allow at least 100 ms after Vccint ramp before attempting JTAG configuration to avoid iMPACT failures during in-circuit programming.
合規資訊
RoHS Compliant per DigiKey listing; lead-free confirmed via "Lead Free Status: Lead Free" in the official datasheet. AEC-Q100 not applicable for FPGA in commercial temperature range; choose the I or Q-suffix industrial/automotive variants if vehicle-grade qualification is needed.
