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AMD XC5VLX20T-2FFG323C
- Part No.:
- XC5VLX20T-2FFG323C
- Manufacturer:
- AMD
- Category:
- FPGAs (Field Programmable Gate Array)
- Package:
- 323-BBGA, FCBGA
- Datasheet:
-
XC5VLX20T-2FFG323C.pdf
- Description:
- IC FPGA 172 I/O 323FCBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,153
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Product details
Overview
XC5VLX20T-2FFG323C from AMD (formerly Xilinx) is a Virtex-5 FPGA featuring 20,736 logic cells, 1.2 MB of block RAM, 120 DSP48E slices, and operates at -2 speed grade with I/O support up to 1.25 Gbps. It is used in high-performance digital signal processing and reconfigurable computing systems requiring deterministic timing and multi-standard interface support.
For engineers reviewing the XC5VLX20T-2FFG323C datasheet, pinout, applications, or equivalent options, key selection factors include I/O voltage flexibility (1.2 V to 3.3 V), differential signaling compliance (LVDS, RSDS, BLVDS), embedded clock management (DCM and PLL), and thermal performance in FFG323 flip-chip BGA packaging.
Technical Context
The XC5VLX20T-2FFG323C implements a hierarchical FPGA architecture with configurable logic blocks (CLBs), dedicated DSP48E slices for arithmetic-intensive tasks, and dual-clock management tiles (DCMs and PLLs) supporting jitter reduction and frequency synthesis. It supports SelectIO technology with programmable I/O standards and on-die termination.
This device belongs to the Virtex-5 LXT family, integrating RocketIO GTP transceivers (not present in LX variants), but the XC5VLX20T-2FFG323C is an LX-series part and excludes transceivers - confirmed by Xilinx DS100 and product selector guide. Its routing resources and CLB distribution are optimized for balanced logic, memory, and DSP utilization in compute-accelerated control loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Cells | 20,736 - total available LUT-based logic resources for combinatorial and sequential logic implementation |
| Block RAM | 1,244 kbits (1.2 MB) - distributed across 64-bit wide, synchronous dual-port RAM blocks usable as FIFOs or data buffers |
| DSP Slices | 120 × DSP48E - each supports 25×18 multiply-accumulate with pre-adder, enabling high-throughput filtering and FFT engines |
| Speed Grade | -2 - guarantees timing closure at maximum operating frequencies per DS100, including 500 MHz CMT output and 322 MHz system clock |
| I/O Standards | LVCMOS, LVTTL, SSTL, HSTL, LVDS, RSDS - supports mixed-voltage interfaces and point-to-point or bus topologies |
| Package | FFG323 - 323-pin flip-chip BGA, 1.0 mm pitch, 19×19 mm body, RoHS-compliant, with thermal pad for enhanced heat dissipation |
| Operating Temp | 0 °C to 85 °C (Commercial) - validated ambient temperature range for reliable operation without derating |
Pinout & Package
XC5VLX20T-2FFG323C is housed in a 323-pin flip-chip BGA (FFG323) package with 1.0 mm pitch and integrated thermal pad. Pin functions are defined per Xilinx UG192 (Virtex-5 Packaging and Pinout) and include dedicated configuration pins (INIT_B, PROGRAM_B, CCLK), dual-purpose I/O banks (with bank-specific VCCO and VREF), clock inputs (GCLK, GTCLK), and configuration mode select (M[2:0]).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PROGRAM_B | Active-Low Configuration Initiate | Drives FPGA into master serial or JTAG configuration mode upon deassertion; requires external pull-up |
| INIT_B | Open-Drain Status Output | Indicates configuration memory clearing or CRC error; asserted low during initialization |
| CCLK | Configuration Clock Input | Drives internal configuration logic; supports up to 50 MHz in master serial mode |
| GCLK[0–3] | Global Clock Input | Feeds global clock network with low skew; compatible with single-ended or differential sources |
| VCCINT | Core Power Supply | 1.0 V ±3% supply for logic fabric and CLBs; requires low-noise regulation and local decoupling |
| VCCAUX | Auxiliary Power Supply | 2.5 V ±5% supply for configuration, clock management, and certain I/O banks |
Key Features
| Feature | Design Value |
|---|---|
| Advanced Clock Management | Four DCMs and two PLLs per device enable independent clock domain generation, phase shifting, and duty-cycle correction for multi-clock systems |
| SelectIO Technology | Programmable I/O standards per bank allow simultaneous 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V interfaces without level shifters |
| DSP48E Slice Architecture | Each slice integrates 25×18 multiplier, 48-bit accumulator, and pipeline registers - enabling 100+ GOPS in full utilization |
| Block RAM Flexibility | 64-bit wide, true dual-port RAM blocks support independent read/write addresses and clocks, ideal for ping-pong buffering and FIFOs |
| Configuration Security | Bitstream encryption via AES-128 and HMAC-SHA-256 prevents unauthorized cloning and reverse engineering of design IP |
Applications
| Radar Signal Processing | Industrial Motion Control |
|---|---|
Use Scenario: Real-time pulse-Doppler processing in phased-array radar systems with adaptive beamforming and clutter rejection. IC Role / Device Role / Timing Role: FPGA fabric executes time-critical FFTs, CFAR detection, and coordinate transformation using parallelized DSP48E slices and block RAM buffers. Use Value: Deterministic latency under 500 ns and synchronized multi-channel I/O enable coherent sampling across 16+ ADC channels at 125 MSPS. | Use Scenario: Closed-loop servo drive control with multi-axis interpolation, real-time kinematics, and safety monitoring in CNC machines. IC Role / Device Role / Timing Role: XC5VLX20T-2FFG323C implements position loop PID, S-curve trajectory generation, and encoder interface logic with sub-microsecond jitter. Use Value: Dual-clock management ensures precise synchronization between motion command updates (1 kHz) and PWM generation (20 kHz) without software intervention. |
| Medical Imaging Backend | Test & Measurement Instrumentation |
Use Scenario: Digital backend for ultrasound beamformers requiring channel summation, envelope detection, and scan conversion prior to display. IC Role / Device Role / Timing Role: XC5VLX20T-2FFG323C processes 128-channel RF data streams using pipelined FIR filters and dynamic RAM-based delay lines. Use Value: 1.2 MB block RAM enables 128-sample variable-depth delay lines per channel, supporting real-time compound imaging modes. | Use Scenario: High-speed digital pattern generator and logic analyzer core in modular PXIe test platforms with multi-gigabit interconnects. IC Role / Device Role / Timing Role: Configurable I/O banks interface directly to MIPI D-PHY and LVDS test fixtures while logic fabric handles protocol-aware stimulus generation. Use Value: SelectIO flexibility allows simultaneous 1.8 V MIPI and 2.5 V LVDS signaling on adjacent pins - eliminating external level translators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPGA-based digital logic and signal processing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| XC5VLX30T-2FFG323C | 30,000 logic cells, 1.6 MB block RAM, same package and speed grade - higher resource count with identical pinout and power envelope | Suitable for larger designs requiring additional logic or memory without board redesign | Select when XC5VLX20T-2FFG323C fails timing closure or exceeds LUT usage >90% |
| XC6VLX25T-2FFG484C | Virtex-6 architecture, 25,000 logic cells, 2.1 MB block RAM, 484-pin FFG484 package - newer process node, lower static power, but incompatible pinout and configuration interface | Enables migration to 40 nm process for improved power efficiency and higher clock rates in new designs | Choose only for greenfield projects where layout revision and toolchain update (ISE 14.7 → Vivado) are acceptable |
Compared with XC5VLX20T-2FFG323C, the XC5VLX30T-2FFG323C offers direct scalability within the same footprint and toolflow, whereas the XC6VLX25T-2FFG484C demands PCB redesign and migration to Vivado but delivers ~35% lower static power and enhanced DSP throughput per watt.
Availability
XC5VLX20T-2FFG323C is available at Aetrix Electronics and suitable for radar signal processing, industrial motion control, medical imaging backend, and test & measurement instrumentation requiring stable component supply across extended production lifecycles.
Supply support for XC5VLX20T-2FFG323C 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 and supports the Virtex FPGA portfolio. Xilinx pioneered high-performance programmable logic for demanding compute and signal processing applications.
The Virtex-5 family was designed for applications requiring high logic density, embedded memory, and DSP capability - especially in aerospace, defense, and industrial systems where reliability and long-term availability are critical.
FAQ
What is the maximum supported I/O standard voltage for XC5VLX20T-2FFG323C?
The XC5VLX20T-2FFG323C supports I/O standards ranging from 1.2 V to 3.3 V, with bank-specific VCCO supplies. Each I/O bank can be independently configured for LVCMOS, LVTTL, SSTL, HSTL, or differential standards like LVDS and RSDS, provided VCCO and VREF meet datasheet-specified tolerances. This eliminates need for external level-shifting circuitry in mixed-voltage systems.
Does XC5VLX20T-2FFG323C include built-in transceivers?
No, the XC5VLX20T-2FFG323C is a member of the Virtex-5 LX family and does not integrate RocketIO GTP transceivers. Transceiver capability is exclusive to LXT, SXT, and FXT variants. Designers requiring multi-gigabit serial I/O must implement external PHYs or select an LXT-series part such as XC5VLX30T-2FFG323C.
What configuration modes are supported by XC5VLX20T-2FFG323C?
The XC5VLX20T-2FFG323C supports Master Serial, Slave Serial, Boundary Scan (JTAG), and SelectMAP configuration modes. Mode selection is controlled by M[2:0] pins at power-up. Configuration bitstreams can be loaded from SPI flash, PROM, or host processor via parallel or serial interfaces, with fallback support enabled through INIT_B and DONE pin sequencing.
Is XC5VLX20T-2FFG323C qualified for extended temperature operation?
No, XC5VLX20T-2FFG323C is rated for commercial temperature range (0 °C to +85 °C ambient). For industrial (-40 °C to +100 °C) or automotive applications, designers should consider the XC5VLX20T-2FFG323I variant, which undergoes extended temperature screening and has identical functionality and pinout.
How many clock management tiles does XC5VLX20T-2FFG323C contain?
The XC5VLX20T-2FFG323C contains four Digital Clock Managers (DCMs) and two Phase-Locked Loops (PLLs), all accessible via dedicated clock input pins and global routing networks. These CMTs support frequency synthesis, phase alignment, jitter filtering, and duty-cycle correction - enabling robust multi-domain clocking without external clock ICs.
XC5VLX20T-2FFG323C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- AMD
- Series:
- Virtex®-5 LXT
- Package/Case:
- 323-BBGA, FCBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Number of LABs/CLBs:
- 1560
- Number of Logic Elements/Cells:
- 19968
- Total RAM Bits:
- 958464
- Number of I/O:
- 172
- Number of Gates:
- -
- Voltage - Supply:
- 0.95V ~ 1.05V
- Mounting Type:
- Surface Mount
- Operating Temperature:
- 0°C ~ 85°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 323-FCBGA (19x19)
XC5VLX20T-2FFG323C FAQ
1.How can I place an order for XC5VLX20T-2FFG323C through Aetrix?
Please submit a Request for Quotation (RFQ) for XC5VLX20T-2FFG323C 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 XC5VLX20T-2FFG323C reliable?
The price and inventory of XC5VLX20T-2FFG323C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XC5VLX20T-2FFG323C is usually 5 days.
3.What payment methods are accepted for XC5VLX20T-2FFG323C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XC5VLX20T-2FFG323C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XC5VLX20T-2FFG323C?
XC5VLX20T-2FFG323C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XC5VLX20T-2FFG323C 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 XC5VLX20T-2FFG323C?
For technical support, including XC5VLX20T-2FFG323C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XC5VLX20T-2FFG323C requirements.
6.How does Aetrix verify that XC5VLX20T-2FFG323C is sourced from the original manufacturer or authorized distributors?
All XC5VLX20T-2FFG323C 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 XC5VLX20T-2FFG323C meets industry standards.
7.What is the process for return or replacement of XC5VLX20T-2FFG323C?
All XC5VLX20T-2FFG323C units undergo pre-shipment inspection (PSI). If there is an issue with XC5VLX20T-2FFG323C, 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 XC5VLX20T-2FFG323C part is unused and in its original packaging.
Return procedure for XC5VLX20T-2FFG323C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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