XC3S400-5FG320C - 400K Gate Spartan-3 FPGA | AMD
MPN: XC3S400-5FG320C ✗ پایان تولیدXC3S400-5FG320C نمای کلی
An FPGA is a semiconductor whose digital behavior is defined after manufacture by loading a configuration bitstream into on-chip configuration memory. In the device hierarchy, the XC3S400-5FG320C is a Spartan-3 FPGA, a programmable-logic device within the broader FPGA and semiconductor categories. Unlike a fixed-function microcontroller or application-specific IC, an FPGA can implement parallel data paths, state machines, protocol controllers, and custom interfaces while retaining upgradeability through field reconfiguration.
The principal resource figures are 400,000 system gates, 8,064 logic cells, and 221 I/O sites. The manufacturer documentation index identifies a maximum performance figure of 725 MHz for this ordering code. The 320-ball FBGA package supports dense PCB routing and is intended for space-constrained embedded equipment rather than breadboard-based prototyping. Configuration storage, configuration pin functions, and complete ball assignments should be taken from the Spartan-3 pinout and configuration documentation before a PCB is released.
The -5 portion of the ordering code identifies the device speed grade, while the C suffix identifies the commercial temperature grade. The target therefore differs from lower-speed or industrial-temperature variants in timing qualification and operating-temperature class, although the logical architecture and 320-ball package remain compatible. Because Spartan-3 devices rely on configuration memory, the power-up behavior, configuration source, bitstream integrity, and startup timing must be included in the complete system design rather than treated as firmware-only concerns.
Typical uses include industrial control and automation, communication protocol conversion, data acquisition, embedded video, instrumentation, and general-purpose digital signal processing. Parallelizable tasks such as bus arbitration, packet filtering, sensor conditioning, or control-law execution can be implemented as parallel hardware logic. A microcontroller may still be preferable for complex operating-system software, while an FPGA is advantageous when deterministic response, custom I/O, or post-deployment logic updates justify programmable hardware.
For a new design, first verify that every available ball, supply rail, decoupling requirement, configuration interface, and supported I/O standard is compatible with the selected board revision. Preserve the manufacturer's recommended power sequencing, use a configuration scheme that produces a valid startup state, and validate timing with the actual board-level clock and external interfaces. Do not treat a faster speed-grade substitute as automatically equivalent without rerunning timing analysis for the installed design.
This product record combines the verified device identifiers, package and logic-resource details, speed-grade comparisons, sourcing guidance, and practical migration considerations. It is intended to help engineers distinguish electrically similar orderings from true PCB-compatible replacements while focusing attention on the timing, temperature, configuration, and qualification differences that determine whether a substitution is production-safe.
جایگزین‌های drop-in برای XC3S400-5FG320C — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای XC3S400-5FG320C (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Mounting Type, AEC-Q100 Qualification, Package Type, Speed Grade, Temperature Grade.
XC3S400-4FG320C
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←XC3S400-4FG320I
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←XC3S400-5FG320I
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
XC3S400-3FG320C
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
XC3S400-3FG320I
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
XC3S400-5FG320C حداکثر مقادیر مجاز و مشخصات الکتریکی
| FPGA Family | Spartan-3 |
| System Gates | 400,000 gates |
| Configurable Logic Cells | 8,064 cells |
| Maximum Performance Frequency | 725 MHz |
| Core Supply Voltage | 1.2 V |
| Process Technology | 90 nm CMOS |
| I/O Count | 221 I/O |
| Package Type | 320-ball FBGA |
| Number of Terminals | 320 balls |
| نوع نصب | Surface Mount |
| Speed Grade | -5 |
| Temperature Grade | Commercial |
| Programmable Logic Type | Field-Programmable Gate Array (FPGA) |
| وضعیت RoHS | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | not_applicable |
راهنمای پیکربندی پین XC3S400-5FG320C 320-ball fbga
پیکربندی پین برای XC3S400-5FG320C (پکیج 320-ball fbga). این IC دیجیتال شامل GPIO، رابط‌های ارتباطی (UART، SPI، I2C) و پین‌های تغذیه است. برای عملکردهای جایگزین پین و گزینه‌های پیکربندی به دیتاشیت سازنده مراجعه کنید. ضروری برای طراحی سیستم‌های نهفته و چیدمان PCB.
داده پین‌آوت تفصیلی موجود نیست برای XC3S400-5FG320C.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
XC3S400-5FG320C مناسب است برای 6 کاربردs: Industrial Automation and Control, Data Acquisition and Signal Conditioning, Communication Protocol Conversion, Embedded Video Processing, Test and Measurement Instrumentation, Programmable Logic and Instrumentation.
Industrial Automation and Control
The AMD XC3S400-5FG320C fits deterministic machine-control functions that require parallel logic, numerous I/O sites, and reconfigurable hardware. Its 8,064 logic cells can host state machines, interlock logic, axis-control functions, and communication adapters, while 221 I/O sites provide substantial connectivity for sensors and actuators. The documented 725 MHz maximum performance supports demanding control pipelines, although the commercial C grade requires verification against the cabinet ambient temperature. In a production controller, keep the FPGA responsible for time-critical parallel operations and isolate safety functions according to the applicable machine-safety architecture.
پیشنهادی
Data Acquisition and Signal Conditioning
The XC3S400-5FG320C can implement parallel data capture, digital filtering, trigger logic, and interface conversion around precision converters. Its 8,064 configurable logic cells allow sampling pipelines and control paths to execute concurrently, and its 221 I/O sites support multiple data buses and control signals. The 725 MHz maximum performance figure provides headroom for pipelined processing, but the implemented clock rate must satisfy the design's timing constraints. Use synchronous interfaces where possible and validate input timing against the actual converter and trace delay rather than relying only on the nominal FPGA performance figure.
پیشنهادی
Communication Protocol Conversion
The AMD XC3S400-5FG320C is appropriate for bridging dissimilar serial, parallel, and packet-oriented interfaces through parallel transmit and receive pipelines. Its 8,064 logic cells can support framing, checksums, buffering, and protocol state machines, while 221 I/O sites are useful for legacy bus connections. The 725 MHz maximum performance allows combinational logic and state-machine updates to run concurrently, reducing the risk of serial-interface bottlenecks. For clocked conversions, register all boundary crossings, constrain source-synchronous interfaces, and test behavior during configuration startup when the associated external devices may already be operating.
پیشنهادی
Embedded Video Processing
The XC3S400-5FG320C can support pixel pipelines, color processing, timing generation, and simple image preprocessing in cost-sensitive embedded displays. Parallel datapaths exploit the device's 8,064 logic cells and documented 725 MHz maximum performance, while 221 I/O sites accommodate pixel-clock and control connections. The architecture is most appropriate for deterministic preprocessing rather than complex compression or high-resolution computer vision. Keep video timing generation in the FPGA, use line and frame buffers with appropriate CDC handling, and verify pin assignments against the selected memory and display interfaces before finalizing the 320-ball PCB layout.
پیشنهادی
Test and Measurement Instrumentation
The AMD XC3S400-5FG320C is useful in programmable test equipment, waveform generation, pattern processing, and timing-control systems. Its 8,064 logic cells and 221 I/O sites support parallel pattern engines and multiple instrument-control interfaces, while the 725 MHz maximum performance provides capacity for deeply pipelined acquisition paths. The commercial temperature grade may fit laboratory equipment, but it should be checked against the enclosure temperature and heat rise. Separate acquisition timing from slower control traffic, apply synchronous clocking to high-speed analog-to-digital converters, and include calibration paths that remain valid after the FPGA is reconfigured.
پیشنهادی
Programmable Logic and Instrumentation
The XC3S400-5FG320C supports general-purpose programmable logic, educational platforms, custom accelerators, and legacy system consolidation. With 400,000 system gates and 8,064 logic cells, it can host multiple independent engines, while 221 I/O sites provide flexible connections to test points and legacy devices. The documented 725 MHz maximum frequency permits high-speed synchronous pipelines, but every design still requires explicit timing constraints and a verified configuration bitstream. Use the FPGA for deterministic parallel tasks and pair it with a microcontroller when networking, a rich operating system, or extensive firmware management is required.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای XC3S400-5FG320C — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | XC3S400-4FG320C | XC3S400-4FG320I | XC3S400-5FG320I | XC3S400-3FG320C | XC3S400-3FG320I |
|---|---|---|---|---|---|---|
| Package | 320-ball FBGA | 320-ball FBGA | 320-ball FBGA | 320-ball FBGA | 320-ball FBGA | 320-ball FBGA |
| Brand | AMD | AMD | AMD | AMD | AMD | AMD |
| FPGA Family | Spartan-3 | Spartan-3 | Spartan-3 | Spartan-3 | Spartan-3 | Spartan-3 |
| System Gates | 400,000 gates | 400,000 gates | 400,000 gates | 400,000 gates | 400,000 gates | 400,000 gates |
| Configurable Logic Cells | 8,064 cells | 8,064 cells | 8,064 cells | 8,064 cells | 8,064 cells | 8,064 cells |
| Core Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Process Technology | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS | 90 nm CMOS |
| Temperature Grade | Commercial | Commercial | Industrial | Industrial | Commercial | Industrial |
| I/O Count | 221 I/O | 221 I/O | 221 I/O | 221 I/O | 221 I/O | 221 I/O |
تفاوت‌های کلیدی
- Higher nominal timing performance than the verified -4 package variants (در مقابلXC3S400-4FG320C)
- Commercial-grade ordering matched to controlled-environment designs (در مقابلXC3S400-4FG320I)
- Same -5 speed grade for designs requiring industrial temperature qualification (در مقابلXC3S400-5FG320I)
یادداشت‌های طراحی
Route the 320-ball FBGA on a multilayer PCB with short, referenced clock and configuration paths. Use the AMD/Xilinx Spartan-3 package and pinout documentation to assign power, ground, configuration, and user I/O balls; the package library available for this page does not include a 320-ball FBGA symbol. Place decoupling capacitors close to the applicable supply balls and preserve the manufacturer-defined power and ground distribution pattern. PCB signal-integrity simulation should include the selected stack-up, clock topology, and high-speed I/O rather than relying only on nominal schematic connectivity.
Do not treat speed-grade substitutions as automatic drop-in equivalents. The target is documented at up to 725 MHz, while the verified -4 alternatives are listed at 630 MHz, a reduction of approximately 95 MHz or 13%. Re-run static timing analysis for every clock domain, review derived clocks and I/O constraints, and test worst-case board conditions. Configuration startup, JTAG access, PROM compatibility, and the C-versus-I temperature-grade requirement also need explicit confirmation before releasing a substitute into production.
Design the 1.2 V core supply and associated I/O supplies from the device power-estimation and configuration documentation rather than from the nominal core voltage alone. Account for configuration activity, state-dependent utilization, clocking, and I/O loading when selecting regulators and copper thermal capacity. A valid implementation should include local bulk and high-frequency decoupling, defined sequencing behavior, and a controlled startup path for the FPGA and any external memory or configuration source.
Use dedicated clock-capable inputs where required, provide a clean clock reference, and constrain all synchronous interfaces. For memory or external converter paths, match trace lengths to the applicable device timing specification and add series termination only where the signal-integrity analysis supports it. Treat configuration pins as potentially asynchronous during startup, and avoid relying on FPGA user logic to control a configuration signal before the device has been configured and the associated external hardware has been placed in a safe state.
اطلاعات انطباق
The device documentation index identifies a Spartan-3 FPGA but does not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. The commercial ordering is not presented as an automotive-qualified AEC-Q100 device.
