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AMD XC4085XLA-09BG432C
- Part No.:
- XC4085XLA-09BG432C
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 432-LBGA Exposed Pad, Metal
- Datasheet:
-
XC4085XLA-09BG432C.pdf
- Description:
- FPGA, 3136 CLBS, 55000 GATES
- Quantity:
- Payment:
- Shipping:
Inventory:3,839
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Product details
Overview
XC4085XLA-09BG432C from Xilinx is a high-capacity, 3.3 V Field-Programmable Gate Array (FPGA) featuring 7,448 logic cells, 85,000 usable gates, 100,352 RAM bits, and 448 user I/Os in a 432-pin BGA package. It supports synchronous system clock rates up to 80 MHz, includes edge-triggered and dual-port SelectRAM™ memory per CLB, and delivers PCI compliance for -2 and faster speed grades - used in legacy telecom line cards and industrial control backplanes.
For engineers reviewing the XC4085XLA-09BG432C datasheet, pinout, applications, or equivalent options, key selection criteria include confirmed CLB count (3,136), I/O count (448), 0.35 µm SRAM process node, 3.3 V core voltage with 5 V-tolerant I/Os, and master parallel configuration support with 22-bit addressing.
Technical Context
The XC4085XLA-09BG432C belongs to the XC4000XLA family - a low-voltage, high-performance variant of the XC4000X series built on 0.35 µm SRAM technology. It implements Configurable Logic Blocks (CLBs) with three function generators (F, G, H), dual flip-flops or latches per CLB, and dedicated carry logic enabling >150 MHz internal performance.
Its routing architecture features 22 additional vertical and 12 horizontal interconnect lines per CLB row/column, buffered high-speed clock networks with eight global low-skew clocks plus eight early buffers, and IOB-level fast capture latches synchronized between early and global clocks - all supporting deterministic timing closure in complex synchronous designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Cells | 7,448 - defines maximum combinational logic capacity before routing overhead |
| Usable Gates | 85,000 - net gate count after accounting for RAM and interconnect resource allocation |
| RAM Bits | 100,352 - distributed across CLBs as configurable 16x2, 32x1, or 16x1 dual-port RAM blocks |
| User I/O Pins | 448 - fully programmable with individually configurable slew rate and pull-up/down resistors |
| System Clock Rate | Up to 80 MHz - guaranteed synchronous operation with -09 speed grade; internal paths exceed 150 MHz |
| Core Voltage | 3.3 V ±0.3 V - requires stable low-noise supply; I/Os tolerate 5 V inputs |
| Configuration Mode | Master Parallel with 22-bit addressing - enables daisy-chained PROM loading for large bitstreams |
Pinout & Package
XC4085XLA-09BG432C uses a 432-ball fine-pitch Ball Grid Array (FBGA) package with 28 × 28 ball array, 1.27 mm pitch, and standard BGA thermal/mechanical footprint. Pin functions are defined per Xilinx Package Drawing BG432.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GCLK0–GCLK7 | Global Clock Input | Eight dedicated low-skew clock distribution networks driving all CLBs and IOBs |
| CLKIN | Primary Clock Input | Input for main system clock; feeds global clock buffers and early clock network |
| PROGRAM | Configuration Reset | Active-low asynchronous reset that clears configuration memory and initiates reconfiguration |
| DONE | Configuration Status | Open-drain output indicating successful configuration completion; pulled high externally |
| INIT | Initialization Status | Active-low open-drain signal indicating configuration memory readiness or error condition |
| GSR | Global Set/Reset | Asynchronous global reset net distributed via dedicated routing; resets all CLB storage elements |
| TCK/TMS/TDI/TDO | JTAG Boundary Scan | IEEE 1149.1-compliant test interface for programming, verification, and in-system debugging |
Key Features
| Feature | Design Value |
|---|---|
| SelectRAM™ Memory | Per-CLB configurable as edge-triggered (synchronous) or dual-port RAM - eliminates external FIFOs in data buffering |
| Fast Carry Logic | 50% reduced carry chain delay vs. XC4000 - enables high-speed arithmetic pipelines and counters |
| IOB Fast Capture Latch | Early-clock-synchronized input latch feeding main IOB flip-flop - resolves setup/hold timing for high-speed interfaces |
| Configurable Slew Rate | Per-output programmable edge rate - reduces EMI and ground bounce without external termination |
| 5 V-Tolerant I/Os | All user I/O pins accept 5 V signals at 3.3 V core - simplifies mixed-voltage board design and legacy interface integration |
| H Function Generator | Third 3-input LUT with flexible input sourcing (F', G', or external CLB inputs) - increases effective logic density by ~15% |
Applications
| Telecom Line Interface Card | Industrial Motion Controller |
|---|---|
Use Scenario: Real-time protocol translation and framing between T1/E1 physical layer and backplane bus. IC Role / Device Role / Timing Role: FPGA acts as glue logic, serializer/deserializer, and embedded controller - managing HDLC framing, CRC generation, and interrupt-driven DMA handshaking. Use Value: On-chip dual-port RAM enables concurrent read/write for ping-pong buffer management; 448 I/Os route multiple T1 spans and local bus signals without external logic. |
Use Scenario: Closed-loop servo positioning with multi-axis encoder feedback and PWM motor drive outputs. IC Role / Device Role / Timing Role: Timing-critical motion profile generator and real-time PID computation engine - synchronizing 16-bit ADC sampling, 12-bit DAC updates, and 200 kHz PWM modulation. Use Value: 80 MHz system clock and fast carry logic support sub-microsecond loop latency; edge-triggered RAM stores trajectory tables with zero wait-state access. |
| PCI-Based Data Acquisition Board | Legacy Bus Bridge Module |
Use Scenario: High-throughput analog-to-digital conversion with direct PCI bus streaming to host memory. IC Role / Device Role / Timing Role: PCI target interface + DMA controller + sample buffering - handling 33 MHz PCI burst transfers while managing 16-channel, 100 kSPS ADC data flow. Use Value: Full PCI compliance (-09 speed grade) ensures plug-and-play compatibility; 100,352 RAM bits serve as deep acquisition FIFOs decoupling ADC and PCI timing domains. |
Use Scenario: Interfacing ISA or VME peripherals to modern microprocessor buses using protocol translation and address decoding. IC Role / Device Role / Timing Role: Programmable bus translator with cycle stretching, wait-state insertion, and voltage-level shifting - adapting 8/16-bit legacy timing to 32-bit CPU bus cycles. Use Value: 5 V-tolerant I/Os directly connect to ISA/VME slots; configurable slew rate and pull-ups eliminate level-shifter ICs and reduce BOM cost. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA-based logic implementation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC4085XL-09BG432C | Same logic capacity and pinout, but lacks XLA-specific low-power optimizations and enhanced I/O drive strength | Suitable for cost-sensitive, non-battery-powered systems where static power is not critical | Select when lower static current is unnecessary and legacy XC4000XL toolchain compatibility is required |
| XCV1000E-8BG560C | Higher gate count (1M system gates), 0.22 µm process, 2.5 V core, and Virtex-series architecture - not pin-compatible | Required for designs needing >100 k logic cells, embedded multipliers, or higher clock rates (>100 MHz) | Choose only when migrating from XC4000XLA to Virtex for scalability - full RTL and PCB redesign needed |
Compared with XC4085XLA-09BG432C, the XC4085XL-09BG432C offers identical functionality at higher static power consumption, while XCV1000E-8BG560C provides architectural evolution at the cost of complete incompatibility - making XC4085XLA-09BG432C optimal for maintaining legacy 3.3 V, 448-I/O, PCI-compliant designs.
Availability
XC4085XLA-09BG432C is available at Aetrix Electronics and suitable for telecom infrastructure, industrial motion control, PCI data acquisition, and legacy bus bridge applications requiring stable component supply across extended product lifecycles.
Supply support for XC4085XLA-09BG432C 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
Xilinx, now part of AMD, pioneered commercial FPGA technology and developed the XC4000 family as the industry's first high-density, SRAM-based programmable logic platform.
The XC4000XLA product line was engineered for 3.3 V systems demanding PCI compliance, low static power, and high I/O flexibility - targeting telecom, industrial automation, and instrumentation markets with long-lifecycle requirements.
FAQ
What is the maximum system clock frequency supported by XC4085XLA-09BG432C?
The XC4085XLA-09BG432C supports synchronous system clock rates up to 80 MHz, as guaranteed by its -09 speed grade. Internal paths can operate above 150 MHz depending on routing and logic depth. This rating assumes proper PCB layout, clean 3.3 V power delivery, and use of global clock networks - verified in Xilinx's 1999 characterization data for the XC4000XLA family.
Does XC4085XLA-09BG432C support dual-port RAM functionality?
Yes, XC4085XLA-09BG432C supports dual-port RAM in every CLB: two 16x1 function generators can be jointly configured as a single 16x1 dual-port RAM with independent read and write ports. This enables simultaneous read/write operations - essential for FIFOs and buffer management - and is confirmed in the XC4000X Series documentation dated May 1999.
Is XC4085XLA-09BG432C pin-compatible with other XC4000X devices?
XC4085XLA-09BG432C is pinout-compatible with XC4085XL-09BG432C and XC4085EX-09BG432C due to shared BG432 packaging and I/O ring definition. However, it is not pin-compatible with smaller XC4000X devices (e.g., XC4025) or XC4000E variants - compatibility is strictly limited to same-array-size members within the XC4000X family per Xilinx's 1999 migration guide.
What configuration modes does XC4085XLA-09BG432C support?
XC4085XLA-09BG432C supports Master Serial, Master Parallel, Slave Serial, Slave Parallel, and JTAG boundary scan configuration modes. Its Master Parallel mode uses 22-bit addressing - an extension beyond the 18-bit limit of XC4000E - enabling large bitstream loading from wide PROMs, as documented in the May 1999 XC4000X Series specification.
Can XC4085XLA-09BG432C operate with 5 V I/O signals?
Yes, XC4085XLA-09BG432C features 5 V-tolerant I/Os - all user I/O pins accept 5 V input signals while operating from a 3.3 V core supply. This allows direct interfacing with legacy 5 V TTL/CMOS peripherals without level shifters, as explicitly stated in the "Additional XC4000X Series Features" section of the May 1999 datasheet.
XC4085XLA-09BG432C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- XC4000XLA/XV
- Package/Case:
- 432-LBGA Exposed Pad, Metal
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Number of LABs/CLBs:
- 3136
- Number of Logic Elements/Cells:
- -
- Total RAM Bits:
- -
- Number of I/O:
- -
- Number of Gates:
- 55000
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Operating Temperature:
- 0°C ~ 85°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 432-MBGA (40x40)
XC4085XLA-09BG432C FAQ
1.How can I place an order for XC4085XLA-09BG432C through Aetrix?
Please submit a Request for Quotation (RFQ) for XC4085XLA-09BG432C 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 XC4085XLA-09BG432C reliable?
The price and inventory of XC4085XLA-09BG432C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC4085XLA-09BG432C is usually 5 days.
3.What payment methods are accepted for XC4085XLA-09BG432C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC4085XLA-09BG432C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC4085XLA-09BG432C?
XC4085XLA-09BG432C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC4085XLA-09BG432C 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 XC4085XLA-09BG432C?
For technical support, including XC4085XLA-09BG432C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC4085XLA-09BG432C requirements.
6.How does Aetrix verify that XC4085XLA-09BG432C is sourced from the original manufacturer or authorized distributors?
All XC4085XLA-09BG432C 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 XC4085XLA-09BG432C meets industry standards.
7.What is the process for return or replacement of XC4085XLA-09BG432C?
All XC4085XLA-09BG432C units undergo pre-shipment inspection (PSI). If there is an issue with XC4085XLA-09BG432C, 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 XC4085XLA-09BG432C part is unused and in its original packaging.
Return procedure for XC4085XLA-09BG432C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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