| MODEL P/N | SERİLER | LABORATUVAR/CLB SAYISI | HIZ DERECESİ | MANTIK ELEMANI / HÜCRE SAYISI | TOPLAM RAM BİTLERİ | G/Ç SAYISI | VOLTAJ - BESLEME | MONTAJ TİPİ | ÇALIŞMA SICAKLIĞI | PAKET / KASA | TEDARIKÇI CIHAZ PAKETI |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XC4VLX160-11FFG1148I | Virtex-4 LX | 16.896,00 | -11,00 | 152 064 LE | 5308416 bit | 768 | 1,14 V ~ 1,26 V | Yüzey Montajı | Endüstriyel (-40°C ~ +100°C) | 1148-BBGA, FCBGA | 1148-FCPBGA (35×35) |
XC4VLX160-11FFG1148I: High-Performance Industrial Virtex-4 LX
Bu XC4VLX160-11FFG1148I is the high-performance variant of Xilinx’s largest logic-optimized Virtex-4 FPGA. With 152,064 logic cells, it provides the fabric density required for massive parallel data processing. The -11 speed grade provides approximately a 10% performance uplift over the standard -10, which is often the critical margin needed for high-speed memory interfaces and complex routing in congested designs.
Binned for the Industrial temperature range ($-40°C$ to $+100°C$), this device is engineered for stable operation in ruggedized environments where thermal fluctuations would compromise commercial-grade silicon.
Technical Specifications
Mantık Hücreleri: 152,064
CLB Array: 128 x 104
Total Block RAM: 5,184 Kb
DSP48 Slices: 96
Max User I/O: 768
Paket: FFG1148 (35mm x 35mm Flip-Chip BGA)
Hız derecesi: -11 (High Performance)
Temperature Grade: Industrial ($-40°C$ to $+100°C$)
Engineering & Hardware Implementation Notes
1. Timing Analysis and Speed Grade Migration
If you are using the -11 grade to replace a failed -10 part, the silicon is faster, which is generally “safer” for setup times ($T_{su}$). However, in the Virtex-4 architecture, faster silicon can occasionally narrow your hold-time ($T_h$) windows on short paths. We recommend a secondary Static Timing Analysis (STA) in ISE to ensure the faster edge rates haven’t introduced race conditions.
2. Thermal Management at 90nm
The LX160 has a high static leakage profile. When running at -11 speeds with high logic utilization, the junction temperature can climb rapidly.
Thermal Resistance: The FFG1148 package has a $\theta_{JC}$ of approximately $0.2°C/W$.
Heatsinking: A high-performance active or passive cooling solution is mandatory for the Industrial range. Ensure your TIM (Thermal Interface Material) is rated for long-term stability up to $100°C$.
3. Power Integrity for 768 I/Os
Managing 768 I/O pins on a 1.0mm pitch requires a robust Power Distribution Network (PDN). The 1.2V $V_{CCINT}$ rail must be heavily decoupled near the BGA center to handle the simultaneous switching noise (SSN) of the 152k logic cells. Pay close attention to banking rules for $V_{CCO}$ when mixing LVDS and HSTL/SSTL standards.
Toolchain & Legacy Support
This device is not supported by Xilinx Vivado. All design maintenance and bitstream generation must be performed using Xilinx ISE Design Suite 14.7. Given the size of the LX160 bitstream, ensure your configuration flash and CCLK settings are optimized for reliable startup.
Comparison: Virtex-4 LX160 Speed Options
| Şartname | XC4VLX160-11FFG1148I | XC4VLX160-10FFG1148I |
| Hız Sınıfı | -11 (Premium) | -10 (Standard) |
| Logic Performance | Higher Frequency / Better Timing | Baseline |
| Junction Temp | $-40°C$ to $+100°C$ | $-40°C$ to $+100°C$ |
| Reliability Tier | High-Performance Industrial | Standard Industrial |
Hardware Engineer’s FAQ
Can this replace the Commercial (-11FFG1148C) part?
Yes. The ‘I’ grade is a superior replacement. It covers the full 0°C to 85°C range and extends it. Timing and electrical specs remain identical.
Is the FFG1148 package RoHS compliant?
Yes. The “G” indicates a lead-free package. If your repair is for an older leaded board (FF1148), this part is footprint-compatible, but you must utilize a Lead-Free reflow profile (SAC305) to ensure joint integrity.
How do you verify the quality of mature Virtex-4 stock?
We understand the risks of sourcing mature silicon. We provide parts with verifiable Date Codes, visual inspection reports, and can provide X-Ray or solderability testing upon request for aerospace or medical-grade requirements.
Need a technical quote or a specific Date Code range?
We support long-lifecycle industrial programs with traceable Xilinx components.
Would you like me to pull the specific power-on sequence requirements or the IBIS models for this -11 speed grade LX160?
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