| MODEL P/N | SERIES | NUMBER OF LABS/CLBS | SPEED GRADE | NUMBER OF LOGIC ELEMENTS / CELLS | TOTAL RAM BITS | NUMBER OF I/O | VOLTAGE – SUPPLY | MOUNTING TYPE | OPERATING TEMPERATURE | PACKAGE / CASE | SUPPLIER DEVICE PACKAGE |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XC4VLX100-10FF1148C | Virtex-4 LX | 11.520,00 | -10,00 | 99840 | 4478976 | 768 | 1.14 V ~ 1.26 V | Surface Mount | 0 °C ~ +85 °C (Commercial) | 1148-BBGA (FCBGA) | 1148-FCBGA |
XC4VLX100-10FF1148C: High-Density Logic Consolidation for Commercial Computing Platforms
The XC4VLX100-10FF1148C is a high-capacity FPGA within Xilinx’s legendary Virtex®-4 LX family, specifically engineered for logic-intensive commercial applications. Utilizing the revolutionary 90nm ASMBL™ (Advanced Silicon Modular Block) architecture, this device provides a massive 110,592 Logic Cell fabric. It is the definitive choice for architects who need to consolidate complex system-level functions—such as multiple soft-core processors, high-bandwidth memory controllers, and extensive custom RTL—into a single, high-reliability silicon footprint.
Operating at a Commercial-grade (0°C to +85°C) temperature range with a -10 speed grade, it offers a balanced solution for high-end digital signal processing and massive parallel data routing.
Core Engineering Highlights
Architectural Efficiency: The ASMBL architecture allows for a highly uniform distribution of logic, memory, and DSP columns. This reduces routing congestion, a critical advantage when designing high-utilization systems that exceed 80% logic occupancy.
Rich Memory Hierarchy: Features 4,320 Kb of Block RAM (BRAM). This dual-port memory resources are essential for implementing deep data buffers, localized caching, and high-speed FIFO structures required in streaming video or networking applications.
Massive I/O Connectivity: Housed in the FF1148 Flip-Chip BGA package, the device breaks out 768 User I/Os. This allows for the simultaneous management of high-width parallel buses, such as dual-bank DDR2 or QDR-II interfaces, without pin-count bottlenecks.
XtremeDSP™ Performance: Integrated with 96 dedicated DSP48 slices. These hard-coded arithmetic blocks handle 18×18 bit multiplications and MAC functions at hardware speeds, freeing up standard logic for control plane tasks.
Precision Clocking (DCM): Equipped with advanced Digital Clock Managers for sub-nanosecond skew control and frequency synthesis, ensuring stable synchronization across complex, multi-clock domain designs.
Technical Specification Matrix
| Feature | Specification |
| Logic Cells | 110,592 |
| CLB Array | 12,480 |
| Total Block RAM | 4,320 Kb |
| DSP48 Slices | 96 |
| User I/Os | 768 |
| Speed Grade | -10 (Standard Performance) |
| Temperature Grade | Commercial (0°C to +85°C) |
| Package | FF1148 (Flip-Chip BGA) |
Hardware Architect’s Perspective: Why Specify the LX100-10C?
1. Predictable Timing Closure
One of the primary reasons engineers stay with the Virtex-4 LX100 is its predictable routing fabric. Unlike newer, more congested architectures, the LX100 provides consistent timing models that allow for faster design iterations and “right-the-first-time” silicon behavior.
2. Superior Signal Integrity
The FF1148 Flip-Chip package is specifically designed to minimize parasitic inductance. With a dense distribution of VCC and GND pins, it suppresses Simultaneous Switching Noise (SSN), ensuring clean signal eyes for high-speed differential pairs (LVDS/HSTL).
3. Maturity and Stability
For commercial products with long lifecycles—such as medical imaging backplanes or high-end broadcasting gear—the LX100-10C offers a proven track record of field reliability and a well-documented toolchain, reducing the risk of unexpected architectural bugs.
Ideal Use Cases
Broadcasting: Real-time format conversion and professional-grade video switching.
Medical Systems: Advanced MRI data acquisition and real-time image reconstruction.
Test & Measurement: Logic analyzer front-ends and high-speed pattern generation.
Communications: High-speed protocol conversion and localized switching fabrics.
