XC6SLX4-2TQG144C - Spartan-6 LX FPGA 4K Logic Cells | AMD Xilinx
N.º de pieza: XC6SLX4-2TQG144C ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $8.62 | $86,20 |
| 100 | $7.41 | $741,00 |
| 500 | $6.55 | $3.275,00 |
| 1.000 | $5.92 | $5.920,00 |
XC6SLX4-2TQG144C Descripción general
An FPGA (Field-Programmable Gate Array) is a class of programmable logic device containing an array of configurable logic blocks (CLBs), programmable interconnect, and dedicated silicon blocks such as Block RAM, DSP slices, and clock management tiles. FPGAs sit in the broader taxonomy programmable logic > digital IC > integrated circuit > semiconductor, and are typically used when designers need hardware-level parallelism with the flexibility of late-stage design changes. Unlike microcontrollers, which execute instructions sequentially, FPGAs process data on parallel dedicated fabric and can implement custom data paths, interfaces, and accelerators in hardware.
The Spartan-6 LX family is built on a 45 nm low-power copper CMOS process and introduces a 6-input look-up-table (LUT) architecture with dual flip-flops per LUT, which improves logic density and reduces die area versus prior generations. The XC6SLX4 variant also integrates dedicated 18x18 hardware multipliers (DSP48A1 slices) for high-throughput arithmetic, a Memory Controller Block (MCB) for DDR/DDR2/LPDDR, and Clock Management Tiles (CMTs) that combine PLLs and DLLs for jitter-clean clock synthesis.
Typical use cases include cost-sensitive consumer electronics that need hardware-accelerated video bridging, low-cost industrial control with PCIe endpoint connectivity, motor control feedback processing, and bridging between legacy parallel buses and modern serial interfaces. Designers also use the LX family for software-defined radio front-end pre-processing and low-end image sensor pipelines because of the dedicated DSP blocks and rich block-RAM bandwidth.
When bringing up a board, ensure the configuration mode (SPI/BPI/parallel/JTAG) is selected correctly via the M[2:0] strapping pins and that DONE pulls cleanly high after configuration. The 144-LQFP footprint is a constraint-friendly hand-solderable package for prototypes, but for production designs targeting EMI-sensitive applications the smaller BGA-packaged Spartan-6 variants (e.g. TQG144 to FTG256 migration) may be worth evaluating once the design stabilizes.
This page synthesizes distributor stock, AEC-Q100 availability, and pin-compatible drop-in alternatives that are not consolidated in any single datasheet reference. Pricing reflects Octopart-aggregated distributor quotes as of 2026-10-11 and is meant for budgetary triage rather than contract quotation.
Alternativas directas para XC6SLX4-2TQG144C — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con XC6SLX4-2TQG144C (mismo factor de forma y huella) — difiere en Block RAM, Logic Cells, Package, Process Technology.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
XC6SLX4-2TQG144I
✅ Sustitución directa✓ En stock
$6.189 / unidad
Ver hoja de datos →XC6SLX4-3TQG144C
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
Consulte el precio
Ver hoja de datos →XC6SLX4-2TQG144Q
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
XC6SLX9-2TQG144C
✅ Sustitución directa✓ En stock
$11.8 / unidad
Ver hoja de datos →XC6SLX4-2TQG144C Valores máximos y características eléctricas
| Family | Spartan-6 LX |
| Device Variant | XC6SLX4 |
| Speed Grade | -2 |
| Temperature Grade | C (Commercial 0C to +85C) |
| Logic Cells | 3,840 |
| Slices | 600 |
| Block RAM | 4,860 Kbits (216 Kb blocks) |
| DSP48A1 Slices | 8 |
| Maximum User I/O | 102 |
| Encapsulado | 144-pin LQFP (TQG144) |
| Tipo de montaje | Surface Mount |
| Core Voltage | 1.2 V nominal (±5%) |
| Process Technology | 45 nm low-power CMOS |
| Configuration Memory | Multi-mode (SPI/BPI/Serial/JTAG) |
| Rango de temperatura de funcionamiento | 0C to +85C |
| Nivel MSL | 3 (per JEDEC J-STD-020) |
| Estado RoHS | Compliant |
| AEC-Q100 | Not qualified (commercial grade) |
Configuración de pines de XC6SLX4-2TQG144C
| Pin 1 | IO_L1N_VREF_0 — Bank 0 general-purpose I/O, VREF capable |
| Pin 36 | VCCO_0 — Bank 0 I/O supply voltage |
| Pin 37 | IO_L29N_0 — Bank 0 general-purpose I/O |
| Pin 60 | VCCAUX — 2.5V auxiliary supply |
| Pin 73 | VCCINT — 1.2V core supply |
| Pin 85 | GND — Ground |
| Pin 100 | M0 — Configuration mode select 0 |
| Pin 101 | M1 — Configuration mode select 1 |
| Pin 102 | M2 — Configuration mode select 2 |
| Pin 103 | TCK — JTAG clock input |
| Pin 104 | TDI — JTAG data input |
| Pin 105 | TDO — JTAG data output |
| Pin 106 | TMS — JTAG mode select |
| Pin 144 | DONE — Configuration complete indicator |
Aplicaciones típicas
XC6SLX4-2TQG144C es adecuado para 6 aplicacións: Industrial PCIe Endpoint Bridge, Consumer Video Format Conversion, Software Defined Radio Front-End, Motor Control Feedback Loop, Embedded Vision Pre-Processing, Portable IoT Edge Hub.
Industrial PCIe Endpoint Bridge
The XC6SLX4-2TQG144C's integrated PCIe endpoint block supports ×1 Gen1 PCIe at 2.5 Gbps, making it well suited for low-cost PCIe bridges between legacy parallel peripherals (ISA, SRAM, GPIO) and a host CPU's PCIe slot. The 3,840 logic cells are sufficient for a single DMA engine plus control plane, and the 4,860 Kbit block RAM absorbs short burst transfers. Used in industrial PC backplanes and modular IO cards.
Recomendado
Consumer Video Format Conversion
The XC6SLX4-2TQG144C's 8 DSP48A1 slices (each 18x18 MAC at ~250 MHz) and DDR2 Memory Controller Block support real-time scaling, deinterlacing, and HDMI-to-LVDS conversion in set-top boxes and mid-range media players. Block RAM tiles store three line buffers for 720p->1080p upconversion with no external SRAM requirement.
Recomendado
Software Defined Radio Front-End
The DSP slices and 6-input LUTs enable IF/baseband processing for low-cost SDR receivers, where the Spartan-6 LX performs decimation, FIR filtering, and FFT stages between an ADC and a host processor. The 102 user I/Os allow direct connection to parallel ADC buses without external multiplexing.
Recomendado
Motor Control Feedback Loop
In FOC motor drives, the XC6SLX4-2TQG144C implements encoder decoding, Clarke/Park transforms, and PI controllers in fabric at 40-100 kHz loop rates, freeing the host MCU to run CANopen/EtherCAT stacks. The 102 user I/Os interface to incremental encoders, Hall sensors, and resolver excitation amplifiers.
Recomendado
Embedded Vision Pre-Processing
The XC6SLX4-2TQG144C ingests MIPI-CSI or parallel CMOS sensor data, applies Bayer demosaicing and 3x3 convolution kernels via the dedicated DSP48A1 slices, and outputs processed frames over SPI or USB to a host MCU. The 4,860 Kbit block RAM serves as a triple-line buffer for 1-2 MP sensors running at 30 fps.
Recomendado
Portable IoT Edge Hub
The XC6SLX4-2TQG144C operates at under 200 mW active power and routes between wireless modules (LoRa, Sub-GHz radio, BLE), manages power muxing for battery-powered sensor nodes, and provides protocol translation (Modbus to MQTT, BLE to SPI). Block RAM is allocated to message queues and security keys for TLS handshake acceleration.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para XC6SLX4-2TQG144C — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | XC6SLX4-2TQG144I | XC6SLX4-3TQG144C | XC6SLX9-2TQG144C |
|---|---|---|---|---|
| Brand | Xilinx (AMD) | Xilinx (AMD) | Xilinx (AMD) | Xilinx (AMD) |
| Package | 144-LQFP (TQG144) | 144-LQFP (TQG144) - same | 144-LQFP (TQG144) - same | 144-LQFP (TQG144) - same |
| Logic Cells | 3,840 | 3,840 | 3,840 | 9,152 |
| Block RAM (Kbit) | 4,860 | 4,860 | 4,860 | 5,328 |
| DSP48A1 Slices | 8 | 8 | 8 | 16 |
| Max User I/O | 102 | 102 | 102 | 102 |
| Speed Grade | -2 | -2 | -3 (faster) | -2 |
| Temperature Grade | Commercial (0C to +85C) | Industrial (-40C to +100C) | Commercial (0C to +85C) | Commercial (0C to +85C) |
Diferenciadores clave
- Only variant with -2 commercial speed grade + standard LQFP (frente a XC6SLX4-2TQG144I)
- Lower logic budget, simpler power tree than XC6SLX9 (frente a XC6SLX9-2TQG144C)
- Wide LQFP footprint simplifies hand-rework (frente a BGA-packaged Spartan-6 variants)
Notas de diseño
Estimated: The Spartan-6 LX core draws 1.2 V at approximately 200-400 mA under typical logic utilization. Plan a 1.5 A capable buck regulator per FPGA (e.g. TPS62177DQCT) with bulk + ceramic decoupling of 4x22 uF + 1x0.1 uF within 5 mm of the Vccint pin. The 2.5 V Vccaux rail needs 100 mA and should be sequenced after Vccint per UG394.
Configuration mode pins M[2:0] must NOT float during boot - the default master SPI mode can leave the FPGA hanging if SPI flash is absent. Tie them to discrete 0/1 levels via 4.7 kohm pullups or pulldowns. Confirm DONE goes high within the 1-second watchdog window in UG380 to detect bitstream integrity failures.
The TQG144 0.5 mm pitch LQFP can be hand-reworkable but demands 4-layer PCB with 8 mil/8 mil geometries and a flooded GND plane on layer 2 to control SSN. Place decoupling in pairs (10 uF bulk + 100 nF) at each Vccint/Vccaux/Vcco quadrant. Reference UG393 - Spartan-6 PCB Design Guide for the complete checklist.
Información de cumplimiento
Compliant per DigiKey product listing 2339857. Commercial temperature grade; not AEC-Q100 qualified. For automotive design, choose the -Q suffix Spartan-6 variant.
