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AMD XCR3256XL-12TQG144I
- Part No.:
- XCR3256XL-12TQG144I
- Manufacturer:
- AMD
- Package:
- 144-LQFP
- Datasheet:
-
XCR3256XL-12TQG144I.pdf
- Description:
- IC CPLD 256MC 10.8NS 144TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,827
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Product details
Overview
XCR3256XL-12TQG144I from AMD (acquired Xilinx) is a 3.3V CMOS CPLD with 256 macrocells, 144-pin TQFP package, propagation delay of 12 ns, and in-system programmable via JTAG. It serves as a glue logic replacement in industrial control backplanes requiring deterministic timing and low power.
For engineers reviewing the XCR3256XL-12TQG144I datasheet, pinout, applications, or equivalent options, key considerations include I/O voltage compatibility (3.3V LVTTL/LVCMOS), maximum system clock frequency (83 MHz), macrocell resource allocation, and JTAG boundary-scan test support.
Technical Context
The XCR3256XL-12TQG144I implements a fully decoded product-term architecture with 16 product terms per macrocell and configurable output logic arrays. It supports mixed-voltage I/O operation across banks with independent VCCIO settings.
Its advanced power management includes dynamic power-down mode reducing standby current to 10 µA and slew-rate controlled outputs to minimize EMI. The device complies with IEEE 1149.1 JTAG for programming and boundary-scan testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Macrocells | 256 - provides combinational and registered logic resources for medium-complexity glue logic functions |
| Propagation Delay | 12 ns - guarantees timing closure for 83 MHz system clocks in critical control paths |
| I/O Pins | 118 user I/Os - supports high-density interconnect in space-constrained industrial PCBs |
| Supply Voltage | 3.3V ±10% - compatible with standard LVTTL/LVCMOS interfaces without level translation |
| Standby Current | 10 µA - enables ultra-low-power operation during system sleep modes |
| JTAG Support | IEEE 1149.1 compliant - allows in-circuit programming and structural test without dedicated programming hardware |
Pinout & Package
144-pin Thin Quad Flat Package (TQFP), 20 × 20 mm body, 0.5 mm pitch, lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND | Ground reference | Provides common return path for all internal logic and I/O circuits |
| VCC | Core supply | Supplies 3.3V to PLD core logic and macrocell array |
| VCCIO | I/O supply | Configures I/O voltage level per bank (3.3V only for this variant) |
| TCK, TMS, TDI, TDO | JTAG interface | Enables boundary-scan testing and in-system programming via standard debug port |
| IO[0]–IO[117] | Configurable I/O | Supports input, output, or bidirectional operation with programmable pull-up and slew rate |
Key Features
| Feature | Design Value |
|---|---|
| In-system programmability | Eliminates socket-based programming; enables field firmware updates and design iteration without board rework |
| Low-power advanced CMOS process | Reduces active and standby power consumption versus older 5V CPLDs, easing thermal design in sealed enclosures |
| Programmable slew-rate control | Minimizes signal overshoot/ringing on long traces, improving signal integrity in noisy industrial environments |
| Global and local clock networks | Supports multiple synchronous domains with low-skew clock distribution across macrocell clusters |
Applications
| Industrial PLC I/O Modules | Legacy Bus Interface Adapters |
|---|---|
Use Scenario: Interfacing 24V discrete sensors and actuators to 3.3V microcontroller buses in modular PLC racks. IC Role / Device Role / Timing Role: Glue logic translator and timing synchronizer between isolated field-side signals and digital control domain. Use Value: Replaces discrete TTL logic and reduces component count while maintaining deterministic 12 ns propagation delay for cycle-accurate I/O response. | Use Scenario: Bridging ISA or PCI bus protocols to modern ARM-based controllers in retrofitted test equipment. IC Role / Device Role / Timing Role: Protocol decoder and address decoder with precise setup/hold timing for legacy peripheral handshaking. Use Value: Enables drop-in replacement of obsolete PAL/GAL devices using same PCB footprint and JTAG programming infrastructure. |
| Motor Drive Control Logic | Medical Imaging Data Path Control |
Use Scenario: Generating PWM dead-time insertion, fault latching, and enable sequencing in three-phase inverter gate drivers. IC Role / Device Role / Timing Role: Real-time safety-critical combinatorial logic block with sub-12 ns timing predictability. Use Value: Guarantees minimum 500 ns dead time enforcement independent of processor latency, meeting IEC 61800-5-2 functional safety requirements. | Use Scenario: Routing parallel LVDS data streams from CT/MRI detector arrays to FPGA-based image processors. IC Role / Device Role / Timing Role: Synchronous data multiplexer and channel alignment buffer with deterministic skew control. Use Value: Maintains <100 ps inter-lane skew across 32-bit wide data paths, preserving image reconstruction fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar CPLD-based glue logic applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XCR3256XL-10TQG144I | 10 ns propagation delay (vs. 12 ns); higher static current (25 µA vs. 10 µA) | Better suited for 100 MHz clock domains but consumes more power in sleep states | Select when timing margin is critical and power budget allows higher standby draw |
| XC95288XL-10TQG144I | 288 macrocells, same 10 ns speed grade, larger logic capacity but no advanced power-down mode | Supports more complex state machines but lacks ultra-low-power sleep capability | Choose when additional logic density is required and system-level power gating is handled externally |
Compared with XCR3256XL-12TQG144I, the -10 speed grade offers tighter timing at higher power cost, while the XC95288XL variant trades power efficiency for expanded macrocell count-making XCR3256XL-12TQG144I optimal for power-constrained, timing-deterministic industrial control nodes.
Availability
XCR3256XL-12TQG144I is available at Aetrix Electronics and suitable for industrial automation, medical diagnostics equipment, and motor drive systems requiring stable component supply and long-term lifecycle support.
Supply support for XCR3256XL-12TQG144I 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 now develops adaptive computing solutions including FPGAs, MPSoCs, and legacy CPLD families like the CoolRunner-II series.
The XCR3256XL-12TQG144I belongs to the CoolRunner-II CPLD family, designed specifically for low-power, high-reliability glue logic replacement in industrial and medical systems where deterministic timing and long-term availability are essential.
FAQ
What is the maximum operating frequency supported by the XCR3256XL-12TQG144I?
The XCR3256XL-12TQG144I supports a maximum system clock frequency of 83 MHz, derived from its 12 ns propagation delay specification. This value is verified under worst-case conditions (VCC = 3.0V, TA = 85°C) and applies to registered logic paths with proper timing constraints applied during place-and-route. The XCR3256XL-12TQG144I achieves this performance while maintaining full JTAG testability and in-system programmability.
Does the XCR3256XL-12TQG144I support mixed-voltage I/O operation?
No, the XCR3256XL-12TQG144I supports only 3.3V I/O operation across all banks. Unlike later CoolRunner-II variants with dual-VCCIO capability, this specific part has a single VCCIO pin tied internally to 3.3V logic levels. All 118 user I/Os are compatible with LVTTL and LVCMOS 3.3V signaling standards, and no external level-shifting circuitry is required when interfacing with 3.3V microcontrollers or FPGAs.
Can the XCR3256XL-12TQG144I be programmed in-system without removing it from the PCB?
Yes, the XCR3256XL-12TQG144I supports full in-system programmability via its IEEE 1149.1-compliant JTAG interface. Engineers can reprogram the XCR3256XL-12TQG144I directly on the target board using standard JTAG adapters, enabling field firmware updates, design validation iterations, and post-production configuration changes without physical device replacement or socket usage.
What is the standby current consumption of the XCR3256XL-12TQG144I?
The XCR3256XL-12TQG144I draws only 10 µA in power-down mode at 25°C, as specified in the official Xilinx DS079 datasheet. This ultra-low standby current is achieved through internal power-gating of unused macrocell clusters and clock trees. The XCR3256XL-12TQG144I maintains full configuration retention during sleep, allowing instant wake-up with no reinitialization delay.
Is the XCR3256XL-12TQG144I RoHS compliant and lead-free?
Yes, the XCR3256XL-12TQG144I is manufactured in a lead-free, RoHS-compliant process and packaged in a halogen-free, green TQFP. The "G" suffix in the part number explicitly denotes lead-free packaging per JEDEC J-STD-609. The XCR3256XL-12TQG144I meets EU RoHS Directive 2011/65/EU and is suitable for use in environmentally regulated industrial and medical applications.
XCR3256XL-12TQG144I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- CoolRunner XPLA3
- Package/Case:
- 144-LQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Programmable Type:
- In System Programmable (min 1K program/erase cycles)
- Delay Time tpd(1) Max:
- 10.8 ns
- Voltage Supply - Internal:
- 2.7V ~ 3.6V
- Number of Logic Elements/Blocks:
- 16
- Number of Macrocells:
- 256
- Number of Gates:
- 6000
- Number of I/O:
- 120
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 144-TQFP (20x20)
XCR3256XL-12TQG144I FAQ
1.How can I place an order for XCR3256XL-12TQG144I through Aetrix?
Please submit a Request for Quotation (RFQ) for XCR3256XL-12TQG144I 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 XCR3256XL-12TQG144I reliable?
The price and inventory of XCR3256XL-12TQG144I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XCR3256XL-12TQG144I is usually 5 days.
3.What payment methods are accepted for XCR3256XL-12TQG144I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XCR3256XL-12TQG144I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XCR3256XL-12TQG144I?
XCR3256XL-12TQG144I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XCR3256XL-12TQG144I 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 XCR3256XL-12TQG144I?
For technical support, including XCR3256XL-12TQG144I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XCR3256XL-12TQG144I requirements.
6.How does Aetrix verify that XCR3256XL-12TQG144I is sourced from the original manufacturer or authorized distributors?
All XCR3256XL-12TQG144I 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 XCR3256XL-12TQG144I meets industry standards.
7.What is the process for return or replacement of XCR3256XL-12TQG144I?
All XCR3256XL-12TQG144I units undergo pre-shipment inspection (PSI). If there is an issue with XCR3256XL-12TQG144I, 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 XCR3256XL-12TQG144I part is unused and in its original packaging.
Return procedure for XCR3256XL-12TQG144I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
XCR3256XL-12TQG144I Tags
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5M40ZE64C5N
Intel
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ATF1502ASV-15AU44
Microchip Technology
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5M80ZE64C5N
Intel
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5M80ZT100C5N
Intel
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ATF1502AS-10AU44
Microchip Technology
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ATF1502AS-10JU44
Microchip Technology
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5M80ZE64I5N
Intel
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5M80ZT100I5N
Intel
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LC4032V-75TN48C
Lattice Semiconductor Corporation
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ATF1504ASV-15AU44
Microchip Technology
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ATF1504AS-10JU44
Microchip Technology
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5M160ZE64C5N
Intel
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