XC3S4000-4FG900I - 4M-Gate Spartan-3 FPGA | AMD | 900-BBGA
MPN： XC3S4000-4FG900I ✗ 停產XC3S4000-4FG900I 概覽
A Spartan-3 FPGA is a programmable digital semiconductor used to implement logic, control, signal processing, communication, and interface functions in a single configurable device. Its architecture combines configurable logic blocks, dedicated RAM, programmable input/output blocks, digital clock managers, and dedicated multipliers. Within the product hierarchy, it is an FPGA, a programmable logic device, and a semiconductor used instead of a large combination of fixed-function logic ICs.
The device provides 4,000,000 system gates and 62,208 logic elements, making it suitable for medium-complexity embedded systems. Its 633 I/O sites support communication interfaces, memory connections, control buses, and external data paths. The -4 speed designation identifies its performance grade, while the 1.2 V technology node supports lower-voltage logic implementations than older generations of programmable logic.
The 900-BBGA package provides a high connection count for designs requiring substantial external connectivity. Its large thermal and routing footprint differs from the smaller XC3S400-4FT256I, making a mechanical and pinout comparison essential before considering any migration. Configuration data, design constraints, and board-level power requirements must be reviewed rather than inferred from the family name alone.
Typical uses include industrial control, instrumentation, embedded communications, data acquisition, test equipment, and signal-processing systems. The Spartan-3 architecture can connect processors and peripherals through programmable logic, implement protocol bridges, and consolidate functions that would otherwise require multiple configurable or fixed-function devices.
Power and layout planning are critical because the 900-BBGA device has many power, ground, configuration, and I/O connections. Follow the pin-description table and recommended decoupling guidance in the DS099 family datasheet. Verify the exact pinout, allowable voltage ranges, clock requirements, and configuration method before releasing a PCB or selecting a replacement.
This product record combines the device identity, published resource counts, package details, same-footprint family options, commercial sourcing guidance, and design checks into an engineer-oriented reference. The comparison table separates verified differences from fields requiring confirmation, helping designers evaluate the XC3S4000-4FG900I without assuming that another Spartan-3 device is automatically interchangeable.
直接替換替代品，適用於 XC3S4000-4FG900I — 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： XC3S4000-4FG900I （相同外形與佔位） — 差異在於 Device Type, Mounting Type, Temperature Grade.
XC3S4000-4FG900C
✅ 直接替換聯絡詢價
查看資料表 →XC3S4000-4FGG900I
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
XC3S4000-4FGG900C
✅ 直接替換📋 參考替代品（不在目錄中）
XC3S5000-4FG900I
✅ 直接替換📋 參考替代品（不在目錄中）
XC3S2500-4FG900I
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
XC3S4000-4FG900I 最大額定值與電氣特性
| Device Type | Spartan-3 Field Programmable Gate Array (FPGA) |
| System Gates | 4,000,000 gates |
| Logic Elements | 62,208 logic elements |
| User I/O | 633 I/O |
| Speed Grade | -4 |
| Core Supply Voltage | 1.2 V |
| Process Technology | 90 nm |
| Performance | 630 MHz |
| 封裝 | 900-BBGA |
| Temperature Grade | Industrial |
| Logic Array Blocks | 6,912 LABs |
| Adaptive Logic Modules | 27,648 ALMs |
| Embedded Memory | 1.69 Mbit |
| 安裝類型 | Surface-mount ball grid array |
XC3S4000-4FG900I 900-bbga 腳位配置指南
XC3S4000-4FG900I（900-bbga 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： XC3S4000-4FG900I.
請參閱 資料表 以查看完整腳位配置。
典型應用
XC3S4000-4FG900I 適用於 6 應用s: Industrial Programmable Control, Data Acquisition and Instrumentation, USB Communication Bridge, Embedded Ethernet Interface, Industrial Serial Gateway, Embedded Signal Processing.
Industrial Programmable Control
The XC3S4000-4FG900I fits industrial controllers that combine deterministic control logic with several external interface circuits. Its 62,208 logic elements provide substantial capacity for sequencing, state machines, fault handling, and communication protocols, while 633 user I/O sites can connect sensors, actuators, memory, and field-bus transceivers. The industrial-temperature ordering code makes it preferable to a commercial-grade substitute when the enclosure has significant temperature variation. Design the implementation around the 1.2 V core supply, separate I/O supplies where required, and validate timing in the selected speed grade before release.
推薦
Data Acquisition and Instrumentation
The XC3S4000-4FG900I can serve as the digital control and preprocessing engine in data-acquisition equipment that must coordinate multiple converters, buffers, memories, and communication links. Its large 900-BBGA package provides extensive user-I/O availability, allowing parallel ADC interfaces, clock distribution, trigger logic, and protocol handling to share one programmable device. The 4M system-gate scale is suitable for acquisition sequencing and local processing without relying on a separate processor for every control function. Designers should budget memory interfaces carefully, constrain clocks, and confirm I/O voltage compatibility for every external data converter.
推薦
USB Communication Bridge
The XC3S4000-4FG900I is suitable for a programmable USB interface or protocol bridge when a design needs deterministic control alongside a high-speed peripheral connection. Its 62,208 logic elements can host USB endpoint logic, packet handling, buffering, and interface adaptation, while the FPGA fabric also permits implementation of companion protocol converters. The 1.2 V core architecture requires careful separation of core and I/O supplies, and the USB transceiver must be selected to match the required data rate. Validate pin assignments, timing, impedance-controlled routing, and USB compliance in the finished system.
推薦
Embedded Ethernet Interface
The XC3S4000-4FG900I can implement Ethernet-facing control, packet filtering, and system interfacing in equipment that requires programmable logic alongside a physical-layer transceiver. Its large logic capacity supports packet handling, buffers, status registers, and custom protocol logic, while 633 I/O sites provide ample board-level connectivity. Using the FPGA as a companion to an Ethernet PHY can reduce fixed-function logic and permit product-specific traffic handling. The design must include proper PHY timing, clock-domain isolation, impedance-controlled differential routing, magnetics support, and recovery behavior for link and reset events.
推薦
Industrial Serial Gateway
The XC3S4000-4FG900I is appropriate for gateways that translate between multiple industrial serial interfaces and a higher-speed fabric. Its programmable logic can combine protocol converters, frame checking, buffering, timers, and supervisory logic while its 633 user I/O sites support several transceiver channels. This is particularly useful when field-bus combinations vary between product variants. Choose transceiver standards and voltage levels for each external interface, keep noisy or long differential routes away from sensitive clock paths, and verify protocol timing under maximum baud rates and error-recovery conditions.
推薦
Embedded Signal Processing
The XC3S4000-4FG900I can implement fixed digital signal-processing pipelines, filtering, modulation, or data-format conversion in dedicated measurement and control equipment. Its 4,000,000-system-gate device combines configurable logic, dedicated multipliers, block RAM, and programmable I/O in one package. This allows a processing chain to operate concurrently with acquisition control and communication logic rather than splitting the design among multiple devices. Timing closure should use the -4 device speed grade, DSP inference reports, and block-RAM constraints; external interfaces also require independent checks for voltage, clocking, and signal integrity.
推薦
推薦產品摘要
工程參考資料，適用於 XC3S4000-4FG900I — 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 | XC3S4000-4FG900C | XC3S4000-4FGG900I | XC3S5000-4FG900I | XC3S2500-4FG900I |
|---|---|---|---|---|---|
| Brand | AMD | AMD | AMD | AMD | AMD |
| Package | 900-BBGA | 900-BBGA - same | 900-BBGA - same | 900-BBGA - same | 900-BBGA - same |
| System Gates | 4,000,000 gates | 4,000,000 gates | 4,000,000 gates | 5,000,000 gates | 2,500,000 gates |
| Speed Grade | -4 | -4 | -4 | -4 | -4 |
| Core Supply Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Process Technology | 90 nm | 90 nm | 90 nm | 90 nm | 90 nm |
主要差異化特點
- Direct industrial-temperature source option (對比XC3S4000-4FG900C)
- Substantial programmable capacity with high I/O availability (對比XC3S2500-4FG900I)
- Lower logic capacity than the next Spartan-3 capacity step (對比XC3S5000-4FG900I)
設計說明
Follow the DS099 recommended power architecture for the 1.2 V core and required I/O supplies. Separate the core and I/O rails as specified, place bulk and high-frequency decoupling capacitors at their designated supply balls, and keep switching-converter return currents out of the sensitive logic return path. Because the 900-BBGA package contains many power and ground balls, use the exact ball map and recommended layer stack rather than general-purpose BGA guidance.
Use the manufacturer 900-BBGA land pattern and verify pin, ball, and package naming before releasing fabrication data. A 900-ball footprint offers little tolerance for row or column shifts, so inspect the package drawing and escape-routing strategy carefully. Confirm ball-pitch dimensions, solder-mask and paste definitions, via-in-pad requirements, and assembly-process capability. Never substitute a 676-ball XC3S4000 footprint for this device because the package dimensions and ball assignments differ.
Route clocks and high-speed interfaces away from switching supplies and noisy digital nets, and provide continuous return paths beneath them. Match external memory and transceiver interfaces according to their own timing and impedance requirements. Place configuration circuitry, clock-generation components, decoupling capacitors, and programming access close to their associated balls. Review Spartan-3 select, configuration, startup, and JTAG requirements in DS099 so control pins retain valid states during power transitions.
Do not treat another Spartan-3 device as a drop-in replacement solely because its logic resources are similar. Verify the exact 900-BBGA pinout, I/O standards, configuration method, supported clocking, speed grade, temperature range, and bitstream compatibility. For migration candidates, run synthesis, implementation, timing analysis, and board-level power verification. The XC3S4000-4FG900C changes the temperature grade, while XC3S5000 and XC3S2500 change the available logic capacity and require explicit design validation.
合規資訊
No explicit environmental or automotive-compliance declarations are stated for the exact XC3S4000-4FG900I ordering code in the manufacturer-family documentation or product pages used for this record. Confirm RoHS, REACH, lead-free, halogen-free, conflict-minerals, and automotive qualification status from the exact AMD ordering guide before procurement.
