XC6SLX45-2FGG484C - Spartan-6 LX FPGA, 43,661 Logic Cells | AMD
MPN: XC6SLX45-2FGG484C ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $196.88 | $196.88 |
| 10 | $178.5 | $1,785.00 |
| 100 | $152.2 | $15,220.00 |
| 500 | $132.4 | $66,200.00 |
| 1,000 | $118.75 | $118,750.00 |
XC6SLX45-2FGG484C Overview
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.
Drop-in alternatives for XC6SLX45-2FGG484C — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with XC6SLX45-2FGG484C (same form factor and footprint) — differing in Block RAM, Package, Speed Grade, Family, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
XC6SLX45-2FGG484I
✅ Drop-In✓ In Stock
$65.1 / Unit
View Datasheet →XC6SLX45-2FGG484CES
✅ Drop-In📋 Reference alternative (not in catalog)
XC6SLX45-3FGG484C
✅ Drop-In✓ In Stock
$12.1 / Unit
View Datasheet →XC6SLX45-1FGG484C
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
XC6SLX45T-2FGG484C
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
XC6SLX45-2FGG484C Maximum Ratings & Electrical Characteristics
| 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 |
| Operating Temperature | 0 C to 85 C (Commercial) |
| Package | FBGA-484 (FGG484), 23 x 23 mm, 1.0 mm pitch |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS Compliant |
XC6SLX45-2FGG484C fbga-484 (fgg484), 23 x 23 mm, 1.0 mm pitch Pin Configuration Guide
Pin configuration for XC6SLX45-2FGG484C (fbga-484 (fgg484), 23 x 23 mm, 1.0 mm pitch package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for XC6SLX45-2FGG484C.
Refer to the datasheet for full pin configuration.
Typical Applications
XC6SLX45-2FGG484C is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for XC6SLX45-2FGG484C — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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) |
Key Differentiators
- Temperature range flexibility on identical footprint (vs XC6SLX45-2FGG484I)
- Extended Support lifecycle designation (vs XC6SLX45-2FGG484CES)
- Higher Fmax versus lower temperature envelope (vs XC6SLX45-3FGG484C)
- Lower dynamic power at cost of Fmax (vs XC6SLX45-1FGG484C)
- Adds high-speed transceivers on same footprint (vs XC6SLX45T-2FGG484C)
Design Notes
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.
Compliance Information
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.
