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AMD XCS20XL-4VQ100I
- Part No.:
- XCS20XL-4VQ100I
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 100-TQFP
- Datasheet:
-
XCS20XL-4VQ100I.pdf
- Description:
- IC FPGA 77 I/O 100VQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,586
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Product details
Overview
XCS20XL-4VQ100I from AMD (formerly Xilinx) is a Spartan-XL family FPGA with 20,000 system gates, 100-pin VQFP package, -4 speed grade, and industrial temperature range (–40°C to +100°C); used in legacy industrial control and reconfigurable I/O interface designs.
For engineers reviewing the XCS20XL-4VQ100I datasheet, pinout, applications, or equivalent options, key selection criteria include logic capacity, VQFP thermal performance, industrial-grade timing margin, and legacy configuration mode support.
Technical Context
The XCS20XL-4VQ100I implements configurable logic blocks (CLBs) with four-input LUTs and flip-flops, global clock routing, and dedicated carry chains for arithmetic functions. It supports in-system programmability via JTAG and serial PROM configuration.
It features 160 CLBs, 1,280 logic cells, up to 100 user I/O pins, and operates at 2.5 V core voltage with 3.3 V tolerant I/Os. Configuration is performed through boundary-scan IEEE 1149.1 compliant TAP controller.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Capacity | 20,000 system gates - defines maximum combinational logic complexity supported |
| CLBs | 160 CLBs - each contains two function generators and two storage elements for synchronous logic |
| User I/O Pins | 100 - all support 3.3 V LVTTL/LVCMOS with programmable slew rate and pull-up |
| Speed Grade | -4 - guarantees 25 MHz maximum system clock frequency under industrial conditions |
| Operating Temperature | –40°C to +100°C - qualified for extended industrial environments without derating |
| Core Voltage | 2.5 V ± 0.1 V - requires dedicated low-noise 2.5 V supply rail |
Pinout & Package
100-pin Very Thin Quad Flat Pack (VQFP), 14 mm × 14 mm body, 0.5 mm pitch, thermally enhanced with exposed pad (non-electrical). RoHS-compliant lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND | Ground reference | Multiple dedicated pins for analog/digital separation and noise reduction |
| VCCO | I/O power supply | 3.3 V supply per bank; allows mixed-voltage I/O interfacing |
| VCCINT | Core power supply | 2.5 V internal logic supply; must be decoupled locally |
| TCK/TMS/TDI/TDO | JTAG boundary-scan interface | Enables IEEE 1149.1 compliant programming and test without external hardware |
| PROGRAM_B | Configuration reset | Active-low asynchronous reset that clears configuration memory and initiates reload |
Key Features
| Feature | Design Value |
|---|---|
| System-gate-based architecture | Enables predictable resource estimation for gate-count-driven legacy designs |
| Dedicated carry logic | Supports high-speed arithmetic chains (e.g., counters, adders) without LUT overhead |
| Per-bank I/O voltage control | Allows concurrent interfacing to 3.3 V, 2.5 V, and 1.8 V peripherals on same device |
| IEEE 1149.1 JTAG support | Eliminates need for external configuration PROM in production test and debug flows |
Applications
| Industrial Motion Control | Legacy Test Equipment |
|---|---|
Use Scenario: Real-time position loop closure in servo drives using encoder feedback and PWM generation. IC Role / Device Role / Timing Role: Configurable logic engine implementing custom timing-critical state machines and digital filters. Use Value: Deterministic 25 MHz clock domain ensures sub-microsecond jitter for PWM edge placement. | Use Scenario: Replacing obsolete ASICs in automated test fixtures requiring flexible pattern generation. IC Role / Device Role / Timing Role: Pin-compatible logic replacement enabling firmware-upgradable stimulus and response logic. Use Value: 100-user-I/O count supports full parallel bus interface to legacy DUT interfaces without glue logic. |
| Avionics Data Acquisition | Medical Imaging Interface |
Use Scenario: Signal conditioning and protocol translation between ARINC 429 receivers and microcontroller buses. IC Role / Device Role / Timing Role: Synchronous serial interface bridge with deterministic latency and error detection logic. Use Value: Industrial temperature rating ensures operation in uncooled avionics bays up to +100°C ambient. | Use Scenario: Pixel data aggregation and timing alignment between CCD sensors and frame grabber ASICs. IC Role / Device Role / Timing Role: High-reliability I/O timing manager synchronizing multiple sensor clocks and data lanes. Use Value: 2.5 V core + 3.3 V I/O separation prevents noise coupling into analog sensor signal paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA-based reconfigurable logic applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XCS20-4VQ100I | No XL-series low-power enhancement; higher static current (≈35 mA vs. ≈18 mA) | Lacks optimized I/O drive strength control for low-noise medical imaging interfaces | Acceptable where power budget permits and thermal headroom exists |
| XCS30XL-4VQ100I | 30,000 system gates, same package and speed grade | Provides additional CLBs for complex state machines in motion control upgrades | Preferred when future-proofing logic density without PCB change |
Compared with XCS20XL-4VQ100I, the XCS20-4VQ100I trades lower cost for higher power consumption, while the XCS30XL-4VQ100I offers scalable logic density within identical thermal and pinout constraints - both require no layout revision but differ in static power and gate budget allocation.
Availability
XCS20XL-4VQ100I is available at Aetrix Electronics and suitable for industrial motion control, avionics data acquisition, and legacy test equipment requiring stable component supply across long-lifecycle programs.
Supply support for XCS20XL-4VQ100I 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, inheriting its legacy FPGA portfolio including the Spartan family. AMD focuses on adaptive computing solutions for data center, AI, and embedded markets.
The Spartan-XL product line was designed for cost-sensitive, high-reliability industrial and aerospace applications requiring non-volatile configuration and extended temperature operation - XCS20XL-4VQ100I exemplifies this targeted use case.
FAQ
What is the configuration method supported by XCS20XL-4VQ100I?
XCS20XL-4VQ100I supports JTAG (IEEE 1149.1) boundary-scan configuration and serial PROM loading. It does not support master serial or slave parallel modes. The TCK/TMS/TDI/TDO pins are dedicated to configuration and test, and PROGRAM_B initiates a full reconfiguration cycle. This makes XCS20XL-4VQ100I suitable for in-system programming in field-deployed equipment.
Does XCS20XL-4VQ100I support hot-swap I/O operation?
XCS20XL-4VQ100I supports hot-swap capable I/Os only when VCCO is powered before configuration and remains stable during insertion. Its 3.3 V tolerant I/Os meet LVTTL/LVCMOS specifications but lack built-in bus-hold or hot-swap protection circuitry. System-level current limiting and sequencing must be implemented externally. XCS20XL-4VQ100I is not rated for live insertion without supporting power management design.
What is the maximum operating frequency of XCS20XL-4VQ100I in industrial conditions?
The XCS20XL-4VQ100I is rated for a maximum system clock frequency of 25 MHz across the full industrial temperature range (–40°C to +100°C) at the -4 speed grade. This value reflects worst-case timing closure for internal register-to-register paths and accounts for voltage tolerance (2.5 V ± 0.1 V) and process variation. Performance-critical paths in XCS20XL-4VQ100I designs must be verified using Xilinx Foundation or Alliance software timing analysis.
Is XCS20XL-4VQ100I pin-compatible with other VQ100 Spartan devices?
XCS20XL-4VQ100I shares the same 100-pin VQFP mechanical footprint and basic pinout assignment with XCS20-4VQ100I and XCS30XL-4VQ100I, including identical power, ground, JTAG, and PROGRAM_B locations. However, I/O bank assignments and certain dedicated function pins (e.g., clock inputs) differ between variants. XCS20XL-4VQ100I is not a drop-in replacement without verifying signal routing and bank voltage constraints.
What documentation is required to implement XCS20XL-4VQ100I in a new design?
To implement XCS20XL-4VQ100I, engineers require the Spartan-XL Data Sheet (DS004), the Spartan-XL Configuration User Guide (UG005), and the Xilinx 4.1i or earlier design tools. These define pinout, timing models, configuration protocols, and power sequencing requirements. XCS20XL-4VQ100I is not supported in Vivado; legacy Foundation ISE toolchain is mandatory for synthesis and place-and-route.
XCS20XL-4VQ100I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- Spartan®-XL
- Package/Case:
- 100-TQFP
- 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:
- 77
- Number of Gates:
- 20000
- Voltage - Supply:
- 3V ~ 3.6V
- Mounting Type:
- Surface Mount
- Operating Temperature:
- -40°C ~ 100°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 100-VQFP (14x14)
XCS20XL-4VQ100I FAQ
1.How can I place an order for XCS20XL-4VQ100I through Aetrix?
Please submit a Request for Quotation (RFQ) for XCS20XL-4VQ100I 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-4VQ100I reliable?
The price and inventory of XCS20XL-4VQ100I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XCS20XL-4VQ100I is usually 5 days.
3.What payment methods are accepted for XCS20XL-4VQ100I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XCS20XL-4VQ100I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XCS20XL-4VQ100I?
XCS20XL-4VQ100I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XCS20XL-4VQ100I 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-4VQ100I?
For technical support, including XCS20XL-4VQ100I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XCS20XL-4VQ100I requirements.
6.How does Aetrix verify that XCS20XL-4VQ100I is sourced from the original manufacturer or authorized distributors?
All XCS20XL-4VQ100I 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-4VQ100I meets industry standards.
7.What is the process for return or replacement of XCS20XL-4VQ100I?
All XCS20XL-4VQ100I units undergo pre-shipment inspection (PSI). If there is an issue with XCS20XL-4VQ100I, 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-4VQ100I part is unused and in its original packaging.
Return procedure for XCS20XL-4VQ100I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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