XC3S200A-4FT256I - 200K Spartan-3A FPGA | AMD Xilinx
N.º de pieza: XC3S200A-4FT256I ✗ Fin de vidaXC3S200A-4FT256I Descripción general
A field-programmable gate array is a programmable logic device whose digital functions are established by loading a configuration bitstream rather than permanently connecting transistors. The Spartan-3A family belongs to the FPGA hierarchy, combining programmable logic, dedicated memory resources, digital signal-processing capability, and general-purpose I/O. This makes the device suitable for designs that benefit from hardware parallelism, reconfigurability, short development cycles, and integration of multiple digital functions on one device.
The XC3S200A provides 4,032 logic cells and 195 user I/Os, providing substantial connectivity for control logic, interfaces, arithmetic pipelines, and embedded state machines. Its 294,912 RAM bits provide dedicated block storage without consuming the same resources needed for general combinational logic. The -4 suffix denotes a performance speed option, while the I suffix identifies the industrial temperature grade. The 256-ball FT256 package supports compact, high-density board layouts through ball-grid-array interconnect.
The XC3S200A architecture is based on 90 nm CMOS technology and a 1.2 V core supply. Its logic is organized into configurable slices containing combinational and sequential resources, while dedicated block RAM supports higher-density storage than distributed RAM alone. Dedicated multipliers and digital signal-processing resources can accelerate filtering, transforms, and fixed-point arithmetic when the design and synthesis toolchain use them appropriately.
Typical applications include industrial control, communications interfaces, data acquisition, instrumentation, embedded signal processing, and general-purpose digital prototyping. Its 195 I/Os are useful for parallel sensor interfaces, display or control peripherals, high-speed communication logic, and system bus coordination. The FPGA architecture is especially helpful where parallel processing, reconfigurable logic, or deterministic digital control must be consolidated into a compact implementation.
A key design consideration is the complete Spartan-3A power, configuration, clocking, and decoupling plan. Board design must provide the specified core and I/O supplies, a valid configuration path, compatible clocking, and clean power delivery to the FT256 package. Because the device is a mature programmable platform, toolchain version and legacy bitstream compatibility should also be confirmed before an update to production.
This page consolidates the device identity, package details, application guidance, design considerations, and technically constrained replacement information into an engineering-focused reference. It emphasizes the limits of package and temperature substitution so that a proposed replacement is reviewed as a true board-level decision rather than selected from a family name alone.
Alternativas directas para XC3S200A-4FT256I — 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 XC3S200A-4FT256I (mismo factor de forma y huella) — difiere en Package.
XC3S200AN-4FT256I
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
XC3S200A-4FT256C
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
XC3S200A-5FT256C
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
XC3S200A-5FT256I
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
XC3S200AN-5FT256I
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
XC3S200A-4FT256I Valores máximos y características eléctricas
| Device Type | Spartan-3A Field-Programmable Gate Array (FPGA) |
| Configurable Logic Cells | 4,032 cells |
| Equivalent Logic Gates | 200,000 gates |
| User I/O Count | 195 I/Os |
| RAM Capacity | 294,912 bits |
| Maximum Device Speed | 667 MHz |
| Core Supply Voltage | 1.2 V |
| Fabrication Technology | 90 nm CMOS |
| FPGA Family | Spartan-3A |
| Encapsulado | 256-ball FT256 BGA |
| Package Code | FT256 |
| Package Type | LBGA |
| Terminal Count | 256 balls |
| Package Shape | Square |
| Terminal Form | Ball |
| Temperature Grade | Industrial |
| Estilo de montaje | Surface Mount |
| RoHS Compliance | unknown |
| REACH Compliance | unknown |
Guía de configuración de pines de XC3S200A-4FT256I square
Configuración de pines para XC3S200A-4FT256I (encapsulado square). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para XC3S200A-4FT256I.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
XC3S200A-4FT256I es adecuado para 6 aplicacións: Industrial Control and Automation, Data Acquisition and Instrumentation, Communications Interface Consolidation, Digital Signal Processing, Embedded Control and Prototyping, LED and Display Control.
Industrial Control and Automation
The XC3S200A-4FT256I fits compact industrial controllers that coordinate sensors, actuators, interlocks, and machine-state logic. Its 4,032 configurable logic cells can implement multiple control channels and finite-state machines, while 195 user I/Os provide substantial connectivity for digital field interfaces. The 1.2 V core and -4 speed designation support timing-oriented control logic, and the industrial-grade suffix supports equipment operating above commercial temperature conditions. Designers should partition control functions according to timing budgets, isolate power and ground properly, and verify every external signal against the FT256 pin description and voltage tolerances before layout release.
Recomendado
Data Acquisition and Instrumentation
The XC3S200A-4FT256I is suitable for parallel data-acquisition front ends requiring deterministic sampling, digital filtering, and control of multiple data paths. Its 4,032 logic cells and 294,912 RAM bits can support buffering, packet assembly, trigger logic, and time-domain processing, while 195 user I/Os simplify connection to converters, memory, and test equipment. The 667 MHz maximum device rating provides a useful basis for clock-domain planning, although actual throughput depends on the selected architecture and timing closure. A robust implementation should define acquisition and processing clock domains early, use vendor-supported RAM inference, and avoid routing high-fanout or timing-sensitive signals through general fabric when dedicated resources are available.
Recomendado
Communications Interface Consolidation
The XC3S200A-4FT256I can consolidate parallel interfaces, protocol converters, packet filters, and low-speed serial control logic in a programmable Spartan-3A device. The 195 user I/Os permit flexible connection among transceivers, memories, and embedded control circuitry, while the dedicated RAM can support buffering and frame organization. For communications equipment, split the design into independent clock domains, constrain I/O timing explicitly, and reserve enough fabric and routing capacity for each interface. The -4 speed class should be treated as a device rating rather than a guaranteed system frequency; actual line rates depend on I/O standards, board-level timing, routing, and the selected architecture.
Recomendado
Digital Signal Processing
The XC3S200A-4FT256I is applicable to fixed-point filtering, digital mixing, waveform generation, and other parallel signal-processing tasks where configurable logic and dedicated arithmetic resources offer an efficient implementation. Its 4,032 logic cells provide implementation capacity, and the 667 MHz maximum device speed supports pipelined architectures. Resource sharing can improve area utilization, but serial arithmetic reduces throughput and increases clock-cycle latency. Designers should compare direct parallel, time-multiplexed, and DSP-resource implementations, then check arithmetic growth, pipeline latency, and timing closure. The 1.2 V core also makes power-aware clocking and activity control important in continuously operating processing equipment.
Recomendado
Embedded Control and Prototyping
The XC3S200A-4FT256I supports rapid digital prototyping by combining configurable control logic, interfaces, state machines, and on-chip RAM without requiring a fixed ASIC or MCU peripheral map. A prototype can implement custom peripherals, test sequences, and timing logic while retaining the option to revise the design through configuration updates. The 195 I/Os provide flexible expansion, and the 4,032-cell device is appropriate for moderate concurrency rather than very large SoC-style integration. Keep the prototype architecture portable by avoiding undocumented primitive dependencies, document clock-domain crossings, and reserve configuration and JTAG access for production test and recovery.
Recomendado
LED and Display Control
The XC3S200A-4FT256I can implement LED drivers, display timing, multiplexing, brightness control, and pattern generation in programmable logic. Its 195 user I/Os allow multiple display or illumination channels to share a controller, while 4,032 logic cells provide capacity for counters, shift registers, and control state machines. The Spartan-3A I/O resources can be assigned to the electrical interface required by the display subsystem, but the FPGA does not directly solve analog drive, current limiting, or connector requirements. Design the timing generator with defined refresh behavior, pipeline parallel data into I/O registers, and validate current, voltage, and transition requirements against the selected external driver components.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para XC3S200A-4FT256I — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | XC3S200AN-4FT256I | XC3S200A-4FT256C | XC3S200A-5FT256C | XC3S200A-5FT256I | XC3S200AN-5FT256I |
|---|---|---|---|---|---|---|
| Brand | AMD | AMD | AMD | AMD | AMD | AMD |
| Package | 256-ball FT256 BGA | 256-ball FT256 BGA | 256-ball FT256 BGA | 256-ball FT256 BGA | 256-ball FT256 BGA | 256-ball FT256 BGA |
| FPGA Family | Spartan-3A | Spartan-3A | Spartan-3A | Spartan-3A | Spartan-3A | Spartan-3A |
| Configurable Logic Cells | 4,032 cells | 4,032 cells | 4,032 cells | 4,032 cells | 4,032 cells | 4,032 cells |
| User I/O Count | 195 I/Os | 195 I/Os | 195 I/Os | 195 I/Os | 195 I/Os | 195 I/Os |
| RAM Capacity | 294,912 bits | 294,912 bits | 294,912 bits | 294,912 bits | 294,912 bits | 294,912 bits |
| Core Supply Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Temperature Grade | Industrial | Industrial | Commercial | Commercial | Industrial | Industrial |
| Speed Grade | -4 | -4 | -4 | -5 | -5 | -5 |
| Fabrication Technology | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS |
Diferenciadores clave
- Industrial-grade ordering option with the full -4 Spartan-3A resource set (frente a XC3S200A-4FT256C)
- Exact -4 speed and resource profile in the required FT256 footprint (frente a XC3S200A-5FT256I)
- Closest family ordering option for board reuse (frente a XC3S200AN-4FT256I)
Notas de diseño
Implement the Spartan-3A power architecture from the manufacturer family datasheet, including separate core and I/O supply requirements, permitted sequencing, and recommended decoupling. Place each required bypass capacitor adjacent to the appropriate supply and ground balls, and use a low-impedance plane structure to control switching current. The 1.2 V core supply must not be assumed to satisfy every FT256 ball; verify power, ground, configuration, and auxiliary supply assignments against the exact package drawing before layout.
Preserve a clean escape path for every configuration, clock, and JTAG signal while respecting the BGA pad and via limitations of the selected PCB process. The FT256 package contains 256 balls and 195 user I/Os, so a mistake in the ball map can affect many interfaces. Compare the layout against a machine-readable package model, use design-rule checks for annular rings and solder mask, and conduct continuity checks on all power rails and configuration pins before fabrication.
Do not treat every similarly named 256-ball Spartan-3A device as interchangeable. FT256 and FTG256 ordering codes refer to distinct package definitions even though both can be described as 256-ball devices. Likewise, an I suffix and a C suffix change the temperature-grade proposition. For a drop-in substitution, compare the exact ball map, power and ground assignments, package drawing, speed grade, temperature range, configuration interface, and bitstream compatibility before releasing the PCB.
Create clock and data constraints that reflect the actual board topology, external interface standards, and source-synchronous relationships rather than relying only on the device's 667 MHz maximum rating. Use dedicated clock-capable pins where required, control routing of high-speed nets, and reserve adequate logic and RAM resources for timing closure. Changes to I/O standards or clock sources can alter timing and power behavior even when the replacement retains the same nominal FPGA resources.
Información de cumplimiento
No explicit RoHS, REACH, lead-free, halogen-free, or conflict-minerals status was stated for the exact target. The industrial temperature suffix is a device-grade designation and does not by itself establish AEC-Q100 qualification.
