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AMD XCS20XL-4PQ208C
- Part No.:
- XCS20XL-4PQ208C
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 208-BFQFP
- Datasheet:
-
XCS20XL-4PQ208C.pdf
- Description:
- IC FPGA 160 I/O 208QFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,691
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Product details
Overview
XCS20XL-4PQ208C from AMD (formerly Xilinx) is a Spartan-XL family FPGA with 20,000 system gates, 192 I/O pins, and a 4 ns CLB propagation delay. It features 1,280 configurable logic blocks, embedded RAM blocks totaling 16 kbits, and supports 3.3 V or 5 V I/O operation. This device is used in industrial control logic replacement and legacy interface bridging applications.
For engineers reviewing the XCS20XL-4PQ208C datasheet, pinout, applications, or equivalent options, key selection criteria include CLB delay, I/O voltage compatibility, embedded RAM capacity, and PQ208 package thermal performance in space-constrained industrial enclosures.
Technical Context
The XCS20XL-4PQ208C implements a fine-grained architecture with configurable logic blocks arranged in rows and columns, each containing two 3-input LUTs and a flip-flop. It uses SRAM-based configuration memory with external PROM or microcontroller loading via JTAG or parallel mode.
It supports mixed-voltage I/O banks-each bank independently configurable for 3.3 V or 5 V signaling-and includes programmable slew rate control and input hysteresis on all user I/O pins to reduce noise sensitivity in noisy industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Capacity | 20,000 system gates - determines maximum combinational/sequential logic complexity supported |
| CLB Propagation Delay | 4 ns - defines worst-case path timing for synchronous logic design closure |
| I/O Pins | 192 user I/O - enables high-pin-count interface bridging without external glue logic |
| Embedded RAM | 16 kbits distributed across CLBs - supports small FIFOs, state machines, and lookup tables without external memory |
| I/O Voltage Support | 3.3 V or 5 V per bank - allows direct interfacing with legacy TTL and modern low-voltage peripherals |
| Configuration Mode | JTAG or parallel master/slave - enables in-system reconfiguration and production programming flexibility |
Pinout & Package
The XCS20XL-4PQ208C is housed in a 208-pin plastic quad flat pack (PQFP) with 0.5 mm lead pitch, JEDEC MO-137AC compliant, and rated for industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GCK0–GCK3 | Global Clock Input | Dedicated low-skew clock routing to all CLBs; essential for synchronous timing integrity |
| PROGRAM* | Configuration Reset | Active-low signal that clears configuration memory and initiates reload sequence |
| DIN | Serial Data In | Primary serial configuration data input during JTAG or slave-serial mode |
| INIT* | Configuration Status | Open-drain output indicating configuration completion or error condition |
| TMS, TDI, TDO, TCK | JTAG Boundary-Scan Interface | IEEE 1149.1-compliant test and debug access; enables in-circuit verification |
Key Features
| Feature | Design Value |
|---|---|
| Configurable I/O Standards | Per-bank 3.3 V or 5 V support enables mixed-voltage board design without level shifters |
| Programmable Slew Rate | Reduces EMI and signal ringing on high-speed traces routed across long PCB runs |
| Distributed RAM Blocks | 16 kbits of fast, asynchronous RAM embedded directly in logic fabric for state storage |
| JTAG Boundary Scan | Supports IEEE 1149.1 testing for manufacturing defect detection and field diagnostics |
Applications
| Industrial PLC Logic Replacement | Legacy Bus Interface Bridge |
|---|---|
Use Scenario: Replacing aging discrete TTL-based control logic in programmable logic controllers with field-upgradable digital logic. IC Role / Device Role / Timing Role: Configurable logic fabric implementing sequential state machines and combinatorial decode logic with deterministic 4 ns CLB delay. Use Value: Eliminates obsolete component sourcing risk while maintaining timing compatibility with existing 5 V backplane interfaces. | Use Scenario: Bridging ISA or VME bus peripherals to modern microcontroller subsystems in test equipment. IC Role / Device Role / Timing Role: Protocol translator and address decoder using embedded RAM for register mapping and handshake buffering. Use Value: Supports 5 V tolerant I/O and provides 192 pins for full bus width handling without multiplexing. |
| Motor Control Sequencer | Factory Automation Sensor Hub |
Use Scenario: Generating precise PWM patterns and safety interlock logic for brushless DC motor drives in CNC systems. IC Role / Device Role / Timing Role: Real-time logic sequencer with deterministic timing paths and glitch-free output enable control. Use Value: 4 ns CLB delay ensures sub-microsecond timing resolution for commutation edge alignment. | Use Scenario: Aggregating analog and digital sensor inputs (thermocouples, limit switches, encoders) in packaging line controllers. IC Role / Device Role / Timing Role: I/O expansion and preprocessing unit with programmable hysteresis filtering on all digital inputs. Use Value: Input hysteresis suppresses contact bounce and EMI-induced false triggers in electrically noisy factory floors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA-based logic replacement applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XCS10XL-4PQ208C | 10,000-gate capacity, same PQ208 package and I/O structure | Lower logic density limits complex state machine or wide bus interface implementation | Select when design fits within 10K gates and cost reduction is prioritized over future scalability |
| XCS30XL-4PQ208C | 30,000-gate capacity, identical pinout and electrical specs | Higher gate count supports larger control algorithms or additional protocol stacks | Choose for designs requiring headroom for firmware updates or feature expansion without PCB change |
Compared with XCS20XL-4PQ208C, the XCS10XL-4PQ208C offers lower cost but reduced logic headroom, while the XCS30XL-4PQ208C delivers scalable capacity within the same footprint and thermal envelope-enabling design reuse across product tiers.
Availability
XCS20XL-4PQ208C is available at Aetrix Electronics and suitable for industrial automation, legacy system refurbishment, and factory-floor sensor interface applications requiring stable component supply and long-term obsolescence management.
Supply support for XCS20XL-4PQ208C 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 is a global semiconductor leader delivering adaptive computing solutions for data center, AI, client, and embedded markets following its acquisition of Xilinx in 2022.
The Spartan-XL family was developed by Xilinx to provide cost-optimized, non-volatile-configurable logic for industrial and automotive applications where reliability, mixed-voltage I/O, and long-lifecycle support are critical.
FAQ
What is the maximum operating frequency of the XCS20XL-4PQ208C?
The XCS20XL-4PQ208C does not specify a single maximum system clock frequency due to architecture dependence on design routing and logic depth. Its 4 ns CLB propagation delay supports synchronous designs with clock periods ≥12 ns (≈83 MHz) for typical register-to-register paths. Actual achievable frequency depends on placement, routing, and logic utilization in the implemented design. The XCS20XL-4PQ208C datasheet provides timing analysis tools and worst-case path reports for verified timing closure.
Does the XCS20XL-4PQ208C support in-system programming?
Yes, the XCS20XL-4PQ208C supports in-system programming via its JTAG port (TMS, TDI, TDO, TCK) and can be reconfigured without removing it from the PCB. Configuration data may be loaded through JTAG boundary-scan or parallel master/slave modes using an external PROM or microcontroller. This capability enables field firmware updates and manufacturing test flexibility for the XCS20XL-4PQ208C.
What is the industrial temperature rating for the XCS20XL-4PQ208C?
The XCS20XL-4PQ208C is specified for operation across –40°C to +85°C ambient temperature, meeting industrial-grade requirements. Its PQ208 package has a JEDEC MO-137AC outline and is qualified for extended thermal cycling and humidity exposure typical of factory automation and outdoor control cabinet environments. This rating applies directly to the XCS20XL-4PQ208C under recommended power supply and airflow conditions.
Can the XCS20XL-4PQ208C interface with both 3.3 V and 5 V devices simultaneously?
Yes, the XCS20XL-4PQ208C supports mixed-voltage I/O operation: each of its I/O banks can be independently configured for either 3.3 V or 5 V signaling. This allows direct connection to 3.3 V microcontrollers and 5 V legacy peripherals on the same device without external level shifters. The XCS20XL-4PQ208C's per-bank voltage selection is set during configuration and remains fixed until reprogrammed.
Is the XCS20XL-4PQ208C pin-compatible with other Spartan-XL devices in PQ208 packaging?
Yes, all Spartan-XL devices in the PQ208 package-including XCS10XL-4PQ208C, XCS20XL-4PQ208C, and XCS30XL-4PQ208C-share identical pinouts and I/O banking structure. This enables direct substitution within the same footprint for capacity scaling. The XCS20XL-4PQ208C serves as the mid-tier option in this compatible family, offering balanced gate count and I/O resources.
XCS20XL-4PQ208C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- Spartan®-XL
- Package/Case:
- 208-BFQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Number of LABs/CLBs:
- 400
- Number of Logic Elements/Cells:
- 950
- Total RAM Bits:
- 12800
- Number of I/O:
- 160
- Number of Gates:
- 20000
- Voltage - Supply:
- 3V ~ 3.6V
- Mounting Type:
- Surface Mount
- Operating Temperature:
- 0°C ~ 85°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 208-PQFP (28x28)
XCS20XL-4PQ208C FAQ
1.How can I place an order for XCS20XL-4PQ208C through Aetrix?
Please submit a Request for Quotation (RFQ) for XCS20XL-4PQ208C 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 XCS20XL-4PQ208C reliable?
The price and inventory of XCS20XL-4PQ208C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XCS20XL-4PQ208C is usually 5 days.
3.What payment methods are accepted for XCS20XL-4PQ208C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XCS20XL-4PQ208C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XCS20XL-4PQ208C?
XCS20XL-4PQ208C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XCS20XL-4PQ208C 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 XCS20XL-4PQ208C?
For technical support, including XCS20XL-4PQ208C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XCS20XL-4PQ208C requirements.
6.How does Aetrix verify that XCS20XL-4PQ208C is sourced from the original manufacturer or authorized distributors?
All XCS20XL-4PQ208C 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 XCS20XL-4PQ208C meets industry standards.
7.What is the process for return or replacement of XCS20XL-4PQ208C?
All XCS20XL-4PQ208C units undergo pre-shipment inspection (PSI). If there is an issue with XCS20XL-4PQ208C, 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 XCS20XL-4PQ208C part is unused and in its original packaging.
Return procedure for XCS20XL-4PQ208C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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