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AMD XCS20XL-4TQ144I
- Part No.:
- XCS20XL-4TQ144I
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 144-LQFP
- Datasheet:
-
XCS20XL-4TQ144I.pdf
- Description:
- IC FPGA 113 I/O 144TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,954
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Product details
Overview
XCS20XL-4TQ144I from AMD (formerly Xilinx) is a Spartan-XL family FPGA with 20,000 system gates, 144-pin TQFP package, -4 speed grade, and industrial temperature range (–40°C to +100°C); used in legacy industrial control logic replacement and reconfigurable I/O interface design.
For engineers reviewing the XCS20XL-4TQ144I datasheet, pinout, applications, or equivalent options, key selection factors include gate count, TQFP-144 mechanical compatibility, industrial temperature rating, and non-volatile configuration memory architecture.
Technical Context
The XCS20XL-4TQ144I implements a non-volatile, EEPROM-based configuration architecture requiring no external PROM; it supports in-system programmability via JTAG boundary-scan interface compliant with IEEE 1149.1. Configuration occurs on power-up without external boot devices.
It features 144 I/O pins with configurable voltage levels (3.3 V or 5 V tolerant), slew-rate control, and programmable pull-up resistors; internal logic operates at 3.3 V with 5 V-tolerant I/O buffers enabling direct interfacing with legacy TTL and CMOS systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Gates | 20,000 system gates - defines maximum combinational logic capacity for custom state machines or glue logic replacement |
| Package | TQFP-144 - 20 mm × 20 mm footprint with 0.5 mm pitch, compatible with standard SMT reflow profiles |
| Speed Grade | -4 - maximum clock frequency of 125 MHz for CLB-to-CLB paths under industrial conditions |
| Operating Temp | –40°C to +100°C - qualified for extended-temperature industrial environments without derating |
| I/O Voltage | 5 V-tolerant inputs with 3.3 V core - enables direct connection to 5 V peripherals without level shifters |
| Configuration | On-chip EEPROM - eliminates external configuration PROM and reduces BOM count and boot dependency |
Pinout & Package
TQFP-144 (Thin Quad Flat Package), 20 mm × 20 mm, 0.5 mm lead pitch, exposed pad not present, RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCCO | I/O power supply | Separate 3.3 V supply per bank; enables mixed-voltage I/O operation |
| VCCINT | Core logic supply | 3.3 V supply for internal CLBs and interconnect; decoupling required per Xilinx guidelines |
| GND | Ground reference | Multiple dedicated ground pins per quadrant reduce switching noise and improve signal integrity |
| TCK/TMS/TDI/TDO | JTAG boundary-scan interface | IEEE 1149.1-compliant test and programming port; supports in-system configuration and debug |
| PROGRAM_B | Active-low configuration reset | Asynchronous pin that erases and reinitializes configuration memory on falling edge |
| INIT_B | Configuration status indicator | Open-drain output signals successful configuration completion or detects CRC error |
Key Features
| Feature | Design Value |
|---|---|
| Non-volatile EEPROM configuration | Eliminates external configuration PROM, reducing board area and startup latency |
| 5 V-tolerant I/O buffers | Direct interface with legacy 5 V logic without external level translators |
| In-system programmability (ISP) | Field updates via JTAG without removing device from PCB |
| Programmable slew-rate control | Reduces EMI and signal ringing on high-speed I/O traces |
| Individual I/O pull-up resistors | Configurable per-pin termination for bus hold or open-drain bus applications |
Applications
| Industrial PLC I/O Module | Legacy System Reconfiguration |
|---|---|
Use Scenario: Retrofitting aging programmable logic controllers with field-upgradable digital I/O expansion. IC Role / Device Role / Timing Role: Configurable logic fabric implementing custom scan logic, debounce, and protocol translation between fieldbus and backplane. Use Value: Enables reuse of existing 5 V sensor/actuator interfaces while supporting modern diagnostics via JTAG. | Use Scenario: Replacing obsolete PAL/GAL devices in avionics maintenance test equipment. IC Role / Device Role / Timing Role: Pin-compatible logic replacement with deterministic timing and in-field reprogramming capability. Use Value: Reduces spare parts inventory and eliminates need for board respins during firmware updates. |
| Motor Drive Control Interface | Test Equipment Signal Conditioning |
Use Scenario: Isolating and conditioning encoder feedback and PWM command signals in servo amplifier modules. IC Role / Device Role / Timing Role: Glue logic handling quadrature decoding, direction arbitration, and fault flag aggregation. Use Value: Supports 125 MHz internal timing for sub-microsecond response to overcurrent events. | Use Scenario: Adapting mixed-voltage digital stimulus/response channels in automated test fixtures. IC Role / Device Role / Timing Role: Voltage-level translation and timing alignment between 3.3 V controller and 5 V DUT interfaces. Use Value: Eliminates discrete level-shifter ICs and associated layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA logic replacement applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XCS30XL-4TQ144I | 30,000 system gates, identical package and speed grade | Higher gate count supports larger state machines or additional peripheral interfaces | Select when design requires >20K gates but must retain same footprint and thermal profile |
| XCS10XL-4TQ144I | 10,000 system gates, identical package and speed grade | Lower gate density suitable for simpler glue logic or I/O expansion only | Select when cost optimization is critical and logic utilization remains below 50% |
Compared with XCS30XL-4TQ144I and XCS10XL-4TQ144I, the XCS20XL-4TQ144I provides optimal balance of gate density, thermal performance, and legacy system compatibility in TQFP-144 packaging - avoiding overdesign while maintaining margin for minor functional extensions.
Availability
XCS20XL-4TQ144I is available at Aetrix Electronics and suitable for industrial automation, test equipment, and motor control applications requiring stable component supply across extended product lifecycles.
Supply support for XCS20XL-4TQ144I 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 support for legacy Spartan families including Spartan-XL. AMD is a global semiconductor leader focused on adaptive computing and high-performance logic solutions.
The Spartan-XL family was designed specifically for cost-sensitive, high-reliability industrial and aerospace applications requiring non-volatile configuration and mixed-voltage I/O interoperability.
FAQ
What is the configuration memory technology used in the XCS20XL-4TQ144I?
The XCS20XL-4TQ144I uses on-chip EEPROM for non-volatile configuration storage. This allows the device to retain its programmed logic design across power cycles without requiring an external PROM. The XCS20XL-4TQ144I configures automatically on power-up, eliminating boot delay and external component dependencies inherent in SRAM-based FPGAs.
Does the XCS20XL-4TQ144I support in-system programming?
Yes, the XCS20XL-4TQ144I supports in-system programming (ISP) via its IEEE 1149.1-compliant JTAG interface (TCK/TMS/TDI/TDO). This enables field updates, debugging, and configuration verification without removing the XCS20XL-4TQ144I from the PCB, making it suitable for deployed industrial systems requiring post-deployment logic revisions.
What is the maximum operating frequency of the XCS20XL-4TQ144I?
The XCS20XL-4TQ144I has a -4 speed grade, specifying a maximum CLB-to-CLB propagation delay of 4.0 ns. Under industrial temperature conditions (–40°C to +100°C), this translates to a guaranteed maximum system clock frequency of 125 MHz for synchronous logic paths within the XCS20XL-4TQ144I fabric.
Can the XCS20XL-4TQ144I interface directly with 5 V logic components?
Yes, the XCS20XL-4TQ144I features 5 V-tolerant input buffers while operating its core logic at 3.3 V. This allows direct connection to 5 V TTL and CMOS peripherals without external level shifters. I/O voltage (VCCO) is set per bank, enabling mixed-voltage operation across different pin groups in the XCS20XL-4TQ144I.
Is the XCS20XL-4TQ144I pin-compatible with other Spartan-XL devices in TQFP-144?
Yes, all Spartan-XL devices in the TQFP-144 package-including XCS10XL-4TQ144I, XCS20XL-4TQ144I, and XCS30XL-4TQ144I-share identical pinouts and package dimensions. This enables drop-in gate-count upgrades or downgrades without PCB redesign, provided power delivery and thermal constraints remain within specification for the XCS20XL-4TQ144I.
XCS20XL-4TQ144I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- Spartan®-XL
- Package/Case:
- 144-LQFP
- 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:
- 113
- 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:
- 144-TQFP (20x20)
XCS20XL-4TQ144I FAQ
1.How can I place an order for XCS20XL-4TQ144I through Aetrix?
Please submit a Request for Quotation (RFQ) for XCS20XL-4TQ144I 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-4TQ144I reliable?
The price and inventory of XCS20XL-4TQ144I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XCS20XL-4TQ144I is usually 5 days.
3.What payment methods are accepted for XCS20XL-4TQ144I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XCS20XL-4TQ144I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XCS20XL-4TQ144I?
XCS20XL-4TQ144I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XCS20XL-4TQ144I 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-4TQ144I?
For technical support, including XCS20XL-4TQ144I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XCS20XL-4TQ144I requirements.
6.How does Aetrix verify that XCS20XL-4TQ144I is sourced from the original manufacturer or authorized distributors?
All XCS20XL-4TQ144I 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-4TQ144I meets industry standards.
7.What is the process for return or replacement of XCS20XL-4TQ144I?
All XCS20XL-4TQ144I units undergo pre-shipment inspection (PSI). If there is an issue with XCS20XL-4TQ144I, 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-4TQ144I part is unused and in its original packaging.
Return procedure for XCS20XL-4TQ144I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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