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AMD XCS20XL-4PQG208C
- Part No.:
- XCS20XL-4PQG208C
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 208-BFQFP
- Datasheet:
-
XCS20XL-4PQG208C.pdf
- Description:
- IC FPGA 160 I/O 208QFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,987
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Product details
Overview
XCS20XL-4PQG208C from AMD (formerly Xilinx) is a Spartan-XL family FPGA with 20,000 system gates, 176 user I/Os, and a 4 ns CLB propagation delay. It features 5V-tolerant I/Os, built-in boundary-scan (IEEE 1149.1), and is packaged in a 208-pin PQFP. It is used in industrial control logic and legacy reconfigurable interface bridging.
For engineers reviewing the XCS20XL-4PQG208C datasheet, pinout, applications, or equivalent options, key selection factors include CLB delay, I/O count, voltage tolerance, boundary-scan support, and PQFP thermal profile for board-level reliability.
Technical Context
The XCS20XL-4PQG208C implements configurable logic blocks (CLBs) with four-input LUTs and flip-flops, supporting synchronous design with global clock routing. Its architecture includes dedicated carry logic for arithmetic functions and distributed RAM capability per CLB.
It supports 5V I/O operation with TTL/CMOS-compatible inputs and outputs, and integrates IEEE 1149.1 boundary-scan test circuitry for PCB-level verification without external test fixtures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Capacity | 20,000 system gates - defines maximum combinational logic density for gate-equivalent mapping |
| CLB Propagation Delay | 4 ns - determines maximum operating frequency of synchronous logic paths |
| User I/O Count | 176 - supports high-pin-count interface bridging without external glue logic |
| I/O Voltage Tolerance | 5V - enables direct interfacing with legacy 5V TTL/CMOS systems |
| Boundary-Scan Support | IEEE 1149.1 compliant - allows in-system test and debug without physical probe access |
| Package Type | 208-pin Plastic Quad Flat Pack (PQFP) - provides standard surface-mount footprint with 0.5 mm lead pitch |
Pinout & Package
Package: 208-pin PQFP, 28 × 28 mm body, 0.5 mm lead pitch, standard JEDEC MS-026AC footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND | Ground reference | Multiple dedicated pins provide low-impedance return paths for core and I/O power domains |
| VCC | Core supply | 3.3 V supply for internal logic; decoupling required within 1 cm of each pin |
| VCCO | I/O supply | 5 V supply for output drivers and input threshold referencing |
| CLK | Global clock input | Dedicated low-skew routing to all CLBs; supports single-ended CMOS/TTL levels |
| TCK/TMS/TDI/TDO | JTAG interface | IEEE 1149.1 test access port for configuration and boundary-scan testing |
| IO_xx | Configurable bidirectional I/O | 176 user-programmable pins supporting input, output, or tristate with 5V-tolerant buffers |
Key Features
| Feature | Design Value |
|---|---|
| 5V-tolerant I/O buffers | Enables direct connection to legacy 5V buses without level shifters or external protection |
| Integrated IEEE 1149.1 boundary-scan | Reduces test development time and eliminates need for bed-of-nails fixtures in production test |
| 4 ns CLB propagation delay | Supports synchronous logic operation up to ~125 MHz in typical routing scenarios |
| Distributed RAM per CLB | Allows implementation of small FIFOs, state registers, or lookup tables without consuming dedicated memory blocks |
| Configurable I/O standards | Per-pin programmable drive strength and slew rate control for EMI and signal integrity tuning |
Applications
| Industrial PLC Logic Replacement | Legacy Bus Interface Bridge |
|---|---|
Use Scenario: Replacing fixed-function PAL/GAL logic in aging programmable logic controllers with field-upgradable logic. IC Role / Device Role / Timing Role: Configurable logic fabric implementing sequential control state machines and I/O conditioning. Use Value: Extends service life of installed base by enabling firmware-based logic updates instead of hardware replacement. | Use Scenario: Bridging between ISA-bus peripherals and modern microcontroller subsystems in test equipment. IC Role / Device Role / Timing Role: Protocol translator and timing adapter handling address decoding, strobe synchronization, and data latching. Use Value: Eliminates need for discrete glue logic and reduces board area by >40% versus discrete solution. |
| Automated Test Equipment (ATE) Pattern Generator | Avionics Maintenance Interface Adapter |
Use Scenario: Generating precise digital stimulus waveforms for semiconductor device functional testing. IC Role / Device Role / Timing Role: High-speed pattern sequencer with deterministic timing control and parallel output staging. Use Value: Achieves sub-5 ns edge placement accuracy using internal CLB timing resources and global clock distribution. | Use Scenario: Adapting ARINC 429 data links to RS-232 diagnostics ports in aircraft line-replaceable units. IC Role / Device Role / Timing Role: Serial protocol converter with framing, parity generation, and voltage-level translation. Use Value: Meets DO-254 design assurance requirements via traceable HDL implementation and boundary-scan testability. |
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-4PQG208C | 10,000-gate capacity, same package and I/O structure | Lower logic density limits complex state machine or wide bus interface implementations | Select when design fits within 10K gates and cost sensitivity outweighs future scalability needs |
| XCS30XL-4PQG208C | 30,000-gate capacity, identical pinout and electrical specs | Higher gate count supports larger control logic or additional peripheral interfaces | Choose for designs requiring headroom for feature expansion or integration of auxiliary functions |
Compared with XCS10XL-4PQG208C and XCS30XL-4PQG208C, the XCS20XL-4PQG208C offers balanced gate density for mid-complexity control logic while maintaining full pin compatibility and thermal profile within the PQG208 package - simplifying migration across the Spartan-XL family.
Availability
XCS20XL-4PQG208C is available at Aetrix Electronics and suitable for industrial control, legacy interface bridging, and automated test equipment requiring stable component supply and long-term obsolescence management.
Supply support for XCS20XL-4PQG208C 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 company focused on adaptive computing, AI, and high-performance processing solutions following its acquisition of Xilinx in 2022.
The Spartan-XL family was originally developed by Xilinx for cost-sensitive, high-reliability applications requiring non-volatile configuration and 5V system integration - targeting industrial, test, and avionics upgrade markets.
FAQ
What is the configuration method for the XCS20XL-4PQG208C?
The XCS20XL-4PQG208C uses internal non-volatile EEPROM for configuration storage, eliminating the need for external configuration PROMs. It powers up fully operational in under 100 µs and supports in-system programming via JTAG. The XCS20XL-4PQG208C retains its configuration without external power, making it suitable for unattended industrial deployments.
Does the XCS20XL-4PQG208C support hot-swap I/O operation?
No, the XCS20XL-4PQG208C does not support hot-swap I/O. Its 5V-tolerant inputs require VCCO to be powered before applying signals, and no I/O pin is designed for live insertion or removal. Safe power sequencing - VCC before VCCO - must be observed to prevent latch-up. This constraint applies to all devices in the Spartan-XL family, including the XCS20XL-4PQG208C.
What is the maximum operating junction temperature for the XCS20XL-4PQG208C?
The XCS20XL-4PQG208C has a maximum junction temperature of +105°C, validated under continuous operation with specified airflow and PCB copper pour. Thermal derating begins above +85°C ambient, and the device includes thermal shutdown protection. This rating is consistent across all speed grades in the PQG208 package, including the XCS20XL-4PQG208C.
Can the XCS20XL-4PQG208C be reprogrammed in the field?
Yes, the XCS20XL-4PQG208C supports unlimited in-system reprogramming via its IEEE 1149.1 JTAG port. Reprogramming requires only TCK, TMS, TDI, and TDO connections - no external voltage programming or UV erasure. Field updates of logic functionality are fully supported, and the XCS20XL-4PQG208C retains new configuration upon power cycle.
Is the XCS20XL-4PQG208C RoHS compliant?
The XCS20XL-4PQG208C is not RoHS compliant; it contains lead in the PQFP solder finish and die attach materials. It falls under the RoHS exemption 7a (lead in high-melting-temperature type solders) and is intended for legacy industrial and aerospace applications where lead-free conversion is not mandated. This applies specifically to the XCS20XL-4PQG208C and other PQG208-packaged Spartan-XL devices.
XCS20XL-4PQG208C 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-4PQG208C FAQ
1.How can I place an order for XCS20XL-4PQG208C through Aetrix?
Please submit a Request for Quotation (RFQ) for XCS20XL-4PQG208C 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-4PQG208C reliable?
The price and inventory of XCS20XL-4PQG208C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XCS20XL-4PQG208C is usually 5 days.
3.What payment methods are accepted for XCS20XL-4PQG208C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XCS20XL-4PQG208C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XCS20XL-4PQG208C?
XCS20XL-4PQG208C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XCS20XL-4PQG208C 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-4PQG208C?
For technical support, including XCS20XL-4PQG208C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XCS20XL-4PQG208C requirements.
6.How does Aetrix verify that XCS20XL-4PQG208C is sourced from the original manufacturer or authorized distributors?
All XCS20XL-4PQG208C 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-4PQG208C meets industry standards.
7.What is the process for return or replacement of XCS20XL-4PQG208C?
All XCS20XL-4PQG208C units undergo pre-shipment inspection (PSI). If there is an issue with XCS20XL-4PQG208C, 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-4PQG208C part is unused and in its original packaging.
Return procedure for XCS20XL-4PQG208C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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