| 모델 P/N | 시리즈 | 실험실/CLBS 수 | 속도 등급 | 논리 요소/셀 수 | 총 램 비트 | I/O 수 | 전압 - 공급 | 마운팅 유형 | 작동 온도 | 패키지 / 케이스 | 공급업체 디바이스 패키지 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XC4VLX25-11FFG668I | Virtex-4 SX | 2.688,00 | 0,00 | 24192 논리 요소 | 1,327,104비트 | 448 | 1.14V ~ 1.26V | 표면 실장 | 상업용(0°C ~ +85°C) | 668-BBGA, FCBGA | 668-FCBGA(27×27) |
XC4VLX25-11FFG668I: Virtex-4 LX for Industrial High-Performance Logic
그리고 XC4VLX25-11FFG668I is a member of the Xilinx Virtex-4 LX family, optimized specifically for high-performance logic applications. While the “SX” series targets DSP and the “FX” focuses on embedded processors, the LX series is the go-to for high-density logic, timing-critical interfacing, and general-purpose FPGA tasks.
This specific variant features the -11 speed grade 그리고 Industrial temperature rating, making it suitable for environments where thermal stability and timing closure are more demanding than standard commercial applications.
Core Technical Specifications
로직 셀: 24,192
CLB Array (Rows x Cols): 48 x 72
Total Block RAM: 1,296 Kb
DSP48 Slices: 48
User I/O: 448 (Max)
속도 등급: -11 (Mid-to-high performance tier for Virtex-4)
온도 범위: Industrial ($T_{j} = -40°C$ to $100°C$)
패키지: FFG668 (Fine-pitch Flip-Chip BGA, Lead-Free/RoHS)
Hardware Design & Implementation Notes
When integrating or replacing the XC4VLX25-11FFG668I in an existing PCBA, engineers should prioritize the following:
Timing Closure: The -11 speed grade offers tighter propagation delays than the base -10. If you are replacing a -10 part with this -11, your bitstream will remain compatible, but verify that your hold-time requirements are still met given the faster silicon.
Thermal Management: The Industrial rating ($100°C$ max junction temperature) is critical for sealed enclosures. However, the FFG668 flip-chip package requires a clean thermal interface. Ensure the existing heatsink or TIM (Thermal Interface Material) is cleared of oxidation if performing a field replacement.
I/O Standards: The Virtex-4 SelectIO technology supports a wide array of standards (LVDS, SSTL, HSTL). Ensure the $V_{CCO}$ rails on your board match the banking requirements defined in your
.ucfor.xdcconstraints.
Legacy Support & Life Cycle
The Virtex-4 family uses a 90nm process technology. For modern maintenance, this device requires the Xilinx ISE Design Suite (14.7). It is important to note that this part is not compatible with Vivado. If you are troubleshooting configuration issues, remember that the Virtex-4 utilizes a bitstream encryption (AES) and a unique configuration memory cells (CMVs) structure that differs from earlier Spartan or later 7-Series architectures.
LXB 세미콘에 문의 for availability, pricing, and technical support.
