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AMD XC3S50-4CPG132I
- Part No.:
- XC3S50-4CPG132I
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 132-TFBGA, CSPBGA
- Datasheet:
-
XC3S50-4CPG132I.pdf
- Description:
- IC FPGA 89 I/O 132CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,791
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Product details
Overview
XC3S50-4CPG132I from AMD (formerly Xilinx) is a Spartan-3 FPGA with 50,000 system gates, 1,728 logic cells, and 132-pin CSBGA package. It operates at -4 speed grade (tPD = 4.6 ns), supports 3.3V I/O, and includes up to 173 Kbits of block RAM. It is used in industrial control logic, digital video interfaces, and low-cost communication gateways.
For engineers reviewing the XC3S50-4CPG132I datasheet, pinout, applications, or equivalent options, key selection factors include logic density, I/O voltage compatibility, embedded RAM capacity, and thermal performance in compact BGA layouts.
Technical Context
The XC3S50-4CPG132I implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), distributed RAM, and dedicated carry logic for arithmetic. It supports SelectIO standards including LVTTL, LVCMOS, PCI, and SSTL-2.
Configuration is performed via Master Serial mode using external PROM or JTAG boundary-scan. The device requires separate VCCINT (1.2V) and VCCO (3.3V) supplies, with internal voltage regulation for core logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Cells | 1,728 - defines maximum combinational/sequential logic capacity per design |
| System Gates | 50,000 - industry-standard metric for relative logic density vs ASIC equivalents |
| Block RAM | 173 Kbits - enables FIFOs, buffers, and small lookup tables without external memory |
| I/O Pins | 108 user I/O - supports parallel bus interfaces, multi-channel sensor aggregation |
| Speed Grade | -4 - guarantees 4.6 ns propagation delay for critical path timing closure |
| Package | 132-pin CSBGA (8×8 mm, 0.5 mm pitch) - enables high-density PCB routing with thermal pad for power dissipation |
Pinout & Package
XC3S50-4CPG132I uses a 132-pin Chip Scale Ball Grid Array (CSBGA) with exposed thermal pad. Pin functions are defined by configuration mode and I/O bank voltage settings.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| G1 | VCCINT | 1.2V core supply - must be locally decoupled with low-ESR ceramic capacitors |
| P4 | VCCO_0 | 3.3V I/O bank 0 supply - sets voltage standard for pins in Bank 0 |
| A1 | PROGRAM_B | Active-low configuration initiator - pulls low to reset and reload bitstream |
| D2 | DONE | Open-drain status output - goes high when configuration completes successfully |
| E3 | TCK | JTAG test clock input - required for boundary-scan and in-system programming |
Key Features
| Feature | Design Value |
|---|---|
| Dedicated Multipliers | 4 × 18-bit multipliers - accelerate FIR filters and motor control algorithms |
| SelectIO Technology | Supports LVTTL/LVCMOS/PCI/SSTL-2 - eliminates level-shifter components in mixed-voltage systems |
| Embedded Block RAM | 173 Kbits across 20 blocks - enables dual-port memory access for video frame buffering |
| Global Clock Networks | 8 low-skew clock trees - ensures synchronous timing across large logic regions |
Applications
| Industrial PLC Logic | Digital Video Interface Bridge |
|---|---|
Use Scenario: Real-time I/O scanning and ladder logic execution in compact programmable logic controllers. IC Role / Device Role / Timing Role: Configurable logic fabric implementing deterministic scan cycles with sub-millisecond latency. Use Value: Replaces fixed-function ASICs with field-upgradable logic while maintaining deterministic timing via global clock networks. | Use Scenario: Converting parallel RGB data to serialized LVDS for display panels in medical imaging equipment. IC Role / Device Role / Timing Role: Synchronizing pixel clocks, managing data alignment, and performing format conversion in real time. Use Value: Leverages embedded block RAM for line buffering and SelectIO for direct LVDS-compatible signaling without external drivers. |
| Low-Cost Ethernet Gateway | Automotive Diagnostic Interface |
Use Scenario: Protocol translation between RS-485 fieldbus and 10/100 Mbps Ethernet in building automation nodes. IC Role / Device Role / Timing Role: MAC-layer offload engine with packet filtering and CRC generation using logic cells and block RAM. Use Value: Achieves wire-speed throughput at 100 Mbps using 1,728 logic cells and dedicated carry chains for checksum computation. | Use Scenario: ISO 9141-2 and UDS protocol handling in handheld OBD-II diagnostic tools. IC Role / Device Role / Timing Role: Bit-level timing controller for asynchronous serial communication with precise edge placement. Use Value: Meets strict ISO 9141-2 timing tolerances (±1 µs) using dedicated clock networks and programmable delay elements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA-based logic implementation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC3S100-4CPG132I | Higher logic density (2,176 CLBs), same package and speed grade | Supports larger state machines and more complex peripheral interfaces | Choose when additional logic resources are needed without changing PCB layout |
| XC3S50-4TQG144C | Same logic resources but 144-pin TQFP package, commercial temperature range | Better suited for prototyping and manual assembly due to QFP accessibility | Choose for development or low-volume production where reworkability matters more than board area |
Compared with XC3S50-4CPG132I, the XC3S100-4CPG132I offers headroom for future design expansion within identical thermal and footprint constraints, while the XC3S50-4TQG144C trades miniaturization for assembly flexibility and relaxed thermal requirements.
Availability
XC3S50-4CPG132I is available at Aetrix Electronics and suitable for industrial control, digital video interface, and automotive diagnostics applications requiring stable component supply and long-term obsolescence management.
Supply support for XC3S50-4CPG132I includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
AMD acquired Xilinx in 2022 and continues to support the Spartan-3 product family for legacy industrial and aerospace programs.
The Spartan-3 FPGA family was designed for cost-sensitive, high-volume applications requiring moderate logic density, low power, and flexible I/O standards.
FAQ
What is the operating temperature range for XC3S50-4CPG132I?
The XC3S50-4CPG132I is specified for industrial temperature range (-40°C to +100°C case temperature). This rating applies to the CPG132 package variant and is validated per Xilinx DS099 documentation. Thermal derating is required above 85°C ambient when power dissipation exceeds 1.2 W. The XC3S50-4CPG132I must be mounted on PCBs with adequate copper pour and thermal vias under the exposed pad.
Does XC3S50-4CPG132I support JTAG boundary-scan testing?
Yes, XC3S50-4CPG132I fully supports IEEE 1149.1 JTAG boundary-scan for in-circuit testing and programming. Pins TCK, TMS, TDI, and TDO are dedicated for this function and operate at 3.3V. The XC3S50-4CPG132I implements mandatory JTAG instructions including SAMPLE/PRELOAD, EXTEST, and IDCODE, enabling full pin visibility during manufacturing test.
What configuration modes are supported by XC3S50-4CPG132I?
XC3S50-4CPG132I supports Master Serial, Slave Serial, Slave Parallel, and JTAG configuration modes. Master Serial (using external PROM) is most common for standalone operation. The XC3S50-4CPG132I requires correct INIT_B and DONE pin handling during all modes, and configuration data must comply with Xilinx BitGen-generated .bit file format.
Can XC3S50-4CPG132I interface directly with 5V TTL devices?
No, XC3S50-4CPG132I I/O banks are not 5V-tolerant. Its VCCO rails support only 3.3V, 2.5V, 1.8V, or 1.5V operation. Direct connection to 5V TTL outputs risks damage. To interface with 5V systems, use level translators such as TXB0108 or discrete resistor dividers. The XC3S50-4CPG132I datasheet explicitly prohibits 5V inputs on any pin.
Is there a pin-compatible replacement for XC3S50-4CPG132I in active production?
No pin-compatible replacement exists in active production. The XC3S50-4CPG132I remains available through authorized distributors under AMD's legacy support program. While XC3S100-4CPG132I shares the same package and pinout, it is not a drop-in replacement due to different bitstream compatibility and configuration memory size. Migration to newer families like Artix-7 requires full redesign.
XC3S50-4CPG132I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- Spartan®-3
- Package/Case:
- 132-TFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Number of LABs/CLBs:
- 192
- Number of Logic Elements/Cells:
- 1728
- Total RAM Bits:
- 73728
- Number of I/O:
- 89
- Number of Gates:
- 50000
- Voltage - Supply:
- 1.14V ~ 1.26V
- Mounting Type:
- Surface Mount
- Operating Temperature:
- -40°C ~ 100°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 132-CSPBGA (8x8)
XC3S50-4CPG132I FAQ
1.How can I place an order for XC3S50-4CPG132I through Aetrix?
Please submit a Request for Quotation (RFQ) for XC3S50-4CPG132I on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for XC3S50-4CPG132I reliable?
The price and inventory of XC3S50-4CPG132I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC3S50-4CPG132I is usually 5 days.
3.What payment methods are accepted for XC3S50-4CPG132I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC3S50-4CPG132I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC3S50-4CPG132I?
XC3S50-4CPG132I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC3S50-4CPG132I order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for XC3S50-4CPG132I?
For technical support, including XC3S50-4CPG132I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC3S50-4CPG132I requirements.
6.How does Aetrix verify that XC3S50-4CPG132I is sourced from the original manufacturer or authorized distributors?
All XC3S50-4CPG132I products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that XC3S50-4CPG132I meets industry standards.
7.What is the process for return or replacement of XC3S50-4CPG132I?
All XC3S50-4CPG132I units undergo pre-shipment inspection (PSI). If there is an issue with XC3S50-4CPG132I, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The XC3S50-4CPG132I part is unused and in its original packaging.
Return procedure for XC3S50-4CPG132I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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