AMD XC2V500-4FG456I

Overview

XC2V500-4FG456I from Xilinx is a 500K-system-gate Virtex-II platform FPGA in a 456-pin Fine-Pitch BGA (FG456) package, operating across –40°C to +100°C industrial temperature range. It integrates 3,072 Configurable Logic Blocks (CLBs), 96 dedicated 18×18 multipliers, 32 Block SelectRAM™ modules (576 Kbits total), and 8 Digital Clock Managers (DCMs). It targets high-speed telecommunication and DSP systems requiring PCI-X, LVDS, and DDR I/O interfaces.

For engineers reviewing the XC2V500-4FG456I datasheet, pinout, applications, or equivalent options, key selection criteria include its 264 user I/Os, DCI-enabled on-chip termination for HSTL/SSTL/LVCMOS standards, 1.5 V core supply with 3.3 V/2.5 V/1.8 V I/O flexibility, and support for partial reconfiguration and bitstream encryption.

Technical Context

The XC2V500-4FG456I implements Xilinx's IP-Immersion architecture with fourth-generation Active Interconnect routing, delivering predictable timing independent of fanout. Its CLB structure comprises four slices per block, each with dual 4-input LUTs, dual flip-flops/latches, carry chains, and distributed RAM capability up to 16Kb per CLB.

Each of its 8 DCMs provides fully digital clock deskew, programmable frequency synthesis (M/D ratio), and fine-grained phase shifting (1/256 period resolution). The device supports dual-port 18-Kb Block SelectRAM with three read-during-write modes and tightly coupled 18×18 multipliers for efficient DSP filtering and MAC operations.

Key Specifications

Pinout & Package

XC2V500-4FG456I uses the FG456 wire-bond Fine-Pitch BGA package (1.00 mm pitch, 23 mm × 23 mm body), compatible with FGG456 Pb-free variant. It features 456 balls including 264 user I/Os, 15 dedicated configuration/control pins (CCLK, DONE, M0–M2, PROG_B, PWRDWN_B, TCK/TDI/TDO/TMS, HSWAP_EN, DXN/DXP, RSVD), and power/ground balls distributed for signal integrity.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar FPGA-based logic acceleration applications.

Compared with XC2V500-4FG456I, the –5 speed grade offers margin for timing-critical paths without layout change, while the XC2V1000-4FG456I provides headroom for logic growth but increases power and cost by ~35%.

Availability

XC2V500-4FG456I is available at Aetrix Electronics and suitable for industrial control, telecom infrastructure, and embedded vision applications requiring stable component supply over extended product lifecycles.

Supply support for XC2V500-4FG456I 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, Inc. is a pioneering programmable logic company founded in 1984, now part of AMD. It develops FPGA, SoC, and adaptive compute acceleration platforms for high-performance digital systems.

The Virtex-II family was engineered for high-bandwidth, low-latency signal processing in telecom, wireless, and video infrastructure - emphasizing I/O flexibility, embedded memory, and deterministic clock management.

FAQ

What is the maximum operating frequency of the XC2V500-4FG456I internal logic?

The XC2V500-4FG456I supports an internal clock speed of up to 420 MHz under typical conditions, as specified in DS031 Module 3. This performance is achievable with proper PCB layout, power delivery, and timing constraints. The –4 speed grade guarantees timing closure for this frequency across the full industrial temperature range, making the XC2V500-4FG456I suitable for demanding DSP and packet processing tasks where deterministic latency matters.

Does the XC2V500-4FG456I support DDR2 memory interfaces?

Yes, the XC2V500-4FG456I supports DDR2 SDRAM interfaces through its SelectIO-Ultra I/O banks and built-in DDR input/output registers. When configured with VCCO = 2.5 V and appropriate IOSTANDARD attributes (e.g., SSTL2_I), it meets JEDEC DDR2 timing requirements. The device's 8 DCMs provide precise phase alignment between clock and strobe signals, enabling reliable 400–533 MT/s operation without external PLLs.

Can the XC2V500-4FG456I be used with 5V-tolerant I/Os?

No, the XC2V500-4FG456I is not 5V-tolerant. Its IOBs are designed for 1.5 V, 1.8 V, 2.5 V, and 3.3 V I/O standards only. Driving 5V signals directly risks damage. However, external current-limiting resistors may enable limited 5V input use - consult Xilinx Tech Topic "5V Tolerant I/Os" for validated resistor values and thermal derating guidance. For native 5V interfacing, level-shifter ICs are required.

How many global clock lines does the XC2V500-4FG456I provide?

The XC2V500-4FG456I provides 16 global clock lines - eight per quadrant - routed through dedicated low-skew networks. These lines connect to the 16 global clock multiplexer buffers, each capable of glitch-free switching between two clock sources. All 8 DCM outputs can drive these buffers, enabling hierarchical clock distribution across large logic partitions while maintaining sub-100 ps skew between critical domains in the XC2V500-4FG456I.

Is bitstream encryption supported on the XC2V500-4FG456I?

Yes, the XC2V500-4FG456I includes on-chip Triple-DES decryption logic. Configuration bitstreams can be encrypted using one or two 168-bit keys stored in non-volatile memory. This prevents unauthorized readback or cloning of the programmed design. Encryption is enabled during bitstream generation in Xilinx ISE tools and requires no external components - a key security feature for proprietary algorithms deployed in the XC2V500-4FG456I.