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AMD XC2S15-5TQ144I
- Part No.:
- XC2S15-5TQ144I
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 144-LQFP
- Datasheet:
-
XC2S15-5TQ144I.pdf
- Description:
- IC FPGA 86 I/O 144TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,624
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Product details
Overview
XC2S15-5TQ144I from AMD (formerly Xilinx) is a Spartan-II family FPGA with 15,000 system gates, 176 logic cells, 16 I/O banks, and 144-pin TQFP package. It operates at 5 ns maximum input-to-output delay and supports 3.3 V I/O with 2.5 V core voltage, used in industrial control logic and low-cost digital signal preprocessing.
For engineers reviewing the XC2S15-5TQ144I datasheet, pinout, applications, or equivalent options, key selection factors include logic cell count, I/O bank configuration, core voltage tolerance, and TQFP thermal performance in space-constrained embedded systems.
Technical Context
The XC2S15-5TQ144I implements configurable logic blocks (CLBs) with four-input LUTs and flip-flops, distributed RAM up to 128 bits per CLB, and dedicated carry logic for arithmetic functions. It supports IEEE 1149.1 JTAG boundary-scan testing and in-system programmability via serial PROM or microprocessor interface.
Configuration is performed through SelectMAP or slave serial mode using external PROM or processor. The device includes global clock buffers, three dedicated clock inputs, and internal DLL-based clock management for timing control across I/O banks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Cells | 176 CLBs provide combinational and registered logic resources for medium-complexity state machines and glue logic. |
| System Gates | 15,000 gates indicate total equivalent ASIC gate capacity for logic synthesis estimation. |
| I/O Pins | 117 user I/O pins support multi-voltage operation (3.3 V tolerant) with programmable slew rate and drive strength. |
| Core Voltage | 2.5 V ±0.1 V required for internal logic; deviation beyond tolerance causes functional failure or timing violation. |
| Max Clock Frequency | 125 MHz achievable with internal DLL and proper PCB routing; limited by CLB propagation and interconnect delay. |
| Package | TQFP-144 with 0.5 mm pitch; exposes all I/O and power/ground pins for standard reflow assembly. |
Pinout & Package
TQFP-144 (Thin Quad Flat Package) with 144 leads, 20 × 20 mm body, 0.5 mm lead pitch, and exposed thermal pad not present - standard for cost-sensitive industrial PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND | Ground reference | Multiple dedicated pins ensure low-impedance return path for core and I/O domains separately. |
| VCCO_0–VCCO_15 | I/O bank supply | 16 independent VCCO pins allow mixed-voltage I/O interfaces (e.g., 3.3 V, 2.5 V) across banks. |
| VCCINT | Core logic supply | Single 2.5 V supply powers all CLBs, RAM, and routing resources; requires local decoupling. |
| CLK0–CLK2 | Dedicated clock inputs | Three global clock pins feed low-skew networks; CLK0 supports DLL for phase alignment. |
| TCK/TMS/TDI/TDO | JTAG boundary-scan | IEEE 1149.1 test access port enables programming, debugging, and board-level verification. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable Logic Blocks (CLBs) | Each CLB contains two 4-input LUTs + flip-flop pairs, enabling efficient implementation of synchronous logic and counters. |
| Distributed RAM | Up to 128 bits per CLB usable as fast asynchronous SRAM or shift registers without block RAM overhead. |
| SelectMAP Interface | Parallel configuration mode allows high-speed loading from microprocessor or FPGA configuration controller. |
| DLL-Based Clock Management | Delay-Locked Loop on CLK0 provides zero-delay clock distribution and duty-cycle correction for timing-critical paths. |
| Multi-Voltage I/O Banks | 16 independent banks support simultaneous 3.3 V, 2.5 V, or 1.8 V interfaces without level-shifter components. |
Applications
| Industrial PLC I/O Module | Automotive Body Control Unit |
|---|---|
Use Scenario: Real-time scanning of discrete sensor inputs and actuator outputs in factory automation cabinets. IC Role / Device Role / Timing Role: FPGA logic fabric implements custom scan logic, debounce filters, and safety interlock sequencing. Use Value: 117 I/O pins and 16 configurable banks enable direct connection to diverse field devices (24 V DC, 5 V TTL, relay drivers) without external translators. | Use Scenario: Centralized control of door locks, window lifts, and lighting functions in entry-level vehicle platforms. IC Role / Device Role / Timing Role: Configurable logic replaces discrete glue logic and small MCUs for deterministic response under EMI stress. Use Value: 2.5 V core + 3.3 V I/O compatibility matches automotive MCU peripheral voltage domains while minimizing BOM count. |
| Medical Diagnostic Sensor Interface | Test Equipment Pattern Generator |
Use Scenario: Acquisition and pre-processing of analog sensor signals (ECG, pulse oximetry) before ADC sampling. IC Role / Device Role / Timing Role: FPGA implements digital filtering, channel multiplexing, and SPI/I²C bridge logic between sensors and host processor. Use Value: Distributed RAM per CLB enables real-time FIR filter coefficient storage and update without external memory access latency. | Use Scenario: Generation of precise digital stimulus waveforms for IC functional validation in ATE systems. IC Role / Device Role / Timing Role: Synchronous logic generates multi-channel, phase-aligned patterns with sub-ns edge placement accuracy. Use Value: DLL-controlled CLK0 ensures <100 ps clock skew across 117 I/O pins, critical for parallel vector timing compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA logic implementation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC2S25-5TQ144I | 25,000 system gates, 256 CLBs, same package and voltage specs. | Higher gate count supports larger state machines and more complex peripheral bridging. | Choose when design requires >176 CLBs but must retain identical footprint and thermal profile. |
| XC3S50-4TQ144C | Spartan-3 family, 50,000 gates, 4 ns speed grade, 1.2 V core, no DLL. | Lacks DLL-based clock deskew; requires external clock conditioning for tight skew requirements. | Prefer for new designs needing higher density and lower core power, accepting revised clock architecture. |
Compared with XC2S15-5TQ144I, XC2S25-5TQ144I offers scalable logic capacity within identical thermal and mechanical constraints, while XC3S50-4TQ144C delivers greater density and efficiency at the cost of DLL removal and core voltage reduction-requiring PCB redesign for power delivery.
Availability
XC2S15-5TQ144I is available at Aetrix Electronics and suitable for industrial control modules, automotive body electronics, and medical sensor interface designs requiring stable component supply over extended production lifecycles.
Supply support for XC2S15-5TQ144I 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 maintains legacy Spartan-II product support for industrial and aerospace customers requiring long-term availability.
The Spartan-II family was designed for cost-sensitive, high-volume embedded logic replacement-targeting applications where ASIC NRE cost is prohibitive and CPLD density insufficient.
FAQ
What is the core voltage requirement for XC2S15-5TQ144I?
The XC2S15-5TQ144I requires a regulated 2.5 V ±0.1 V core supply (VCCINT). Deviation beyond this range risks timing failure or configuration loss. Decoupling capacitors must be placed within 10 mm of each VCCINT pin per Xilinx UG002 guidelines. The XC2S15-5TQ144I does not support dynamic voltage scaling or dual-core voltage operation.
Does XC2S15-5TQ144I support in-system programming?
Yes, the XC2S15-5TQ144I supports in-system programming via JTAG (IEEE 1149.1) using the TCK/TMS/TDI/TDO pins. It also allows serial or parallel configuration through external PROM or microprocessor interface. The XC2S15-5TQ144I does not require UV erasure or socket programming-configuration bitstream can be updated in the field without removing the device.
How many I/O banks does XC2S15-5TQ144I have, and what is their function?
The XC2S15-5TQ144I has 16 independent I/O banks, each with its own VCCO supply pin. This allows mixing of interface voltages (e.g., 3.3 V, 2.5 V) across different banks without level shifters. Each bank supports programmable drive strength and slew rate control. The XC2S15-5TQ144I uses this architecture to interface directly with heterogeneous peripherals in industrial and automotive systems.
Is XC2S15-5TQ144I compatible with Spartan-3 configuration tools?
No, the XC2S15-5TQ144I requires Xilinx ISE 6.x–14.x toolchain and BitGen-compatible configuration files. Spartan-3 tools generate incompatible bitstreams due to architectural differences in CLB structure, memory mapping, and DLL implementation. Using Spartan-3 tools with XC2S15-5TQ144I results in configuration failure or undefined behavior. Always use ISE versions qualified for Spartan-II.
What thermal considerations apply to XC2S15-5TQ144I in continuous operation?
The XC2S15-5TQ144I has a maximum junction temperature of 100 °C and requires ≤40 °C/W thermal resistance from junction to ambient under full utilization. Standard TQFP-144 PCB layout with 2 oz copper and thermal vias under the package is sufficient for typical industrial loads. The XC2S15-5TQ144I does not include on-die thermal sensors or throttling-thermal management must be handled externally.
XC2S15-5TQ144I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- Spartan®-II
- Package/Case:
- 144-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Number of LABs/CLBs:
- 96
- Number of Logic Elements/Cells:
- 432
- Total RAM Bits:
- 16384
- Number of I/O:
- 86
- Number of Gates:
- 15000
- Voltage - Supply:
- 2.375V ~ 2.625V
- Mounting Type:
- Surface Mount
- Operating Temperature:
- -40°C ~ 100°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 144-TQFP (20x20)
XC2S15-5TQ144I FAQ
1.How can I place an order for XC2S15-5TQ144I through Aetrix?
Please submit a Request for Quotation (RFQ) for XC2S15-5TQ144I 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 XC2S15-5TQ144I reliable?
The price and inventory of XC2S15-5TQ144I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC2S15-5TQ144I is usually 5 days.
3.What payment methods are accepted for XC2S15-5TQ144I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC2S15-5TQ144I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC2S15-5TQ144I?
XC2S15-5TQ144I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC2S15-5TQ144I 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 XC2S15-5TQ144I?
For technical support, including XC2S15-5TQ144I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC2S15-5TQ144I requirements.
6.How does Aetrix verify that XC2S15-5TQ144I is sourced from the original manufacturer or authorized distributors?
All XC2S15-5TQ144I 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 XC2S15-5TQ144I meets industry standards.
7.What is the process for return or replacement of XC2S15-5TQ144I?
All XC2S15-5TQ144I units undergo pre-shipment inspection (PSI). If there is an issue with XC2S15-5TQ144I, 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 XC2S15-5TQ144I part is unused and in its original packaging.
Return procedure for XC2S15-5TQ144I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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