AMD XC5VLX85-2FF1153I

Overview

XC5VLX85-2FF1153I from AMD (formerly Xilinx) is a Virtex-5 FPGA featuring 85,200 logic cells, 4.8 Mb of block RAM, and 240 DSP48E slices. It operates at -2 speed grade with I-grade temperature rating (–40°C to +100°C) and is packaged in a 1153-pin flip-chip BGA (FF1153). It targets high-performance digital signal processing in radar baseband subsystems.

For engineers reviewing the XC5VLX85-2FF1153I datasheet, pinout, applications, or equivalent options, key selection factors include logic density, embedded memory capacity, DSP slice count, speed grade timing margin, and industrial temperature support for mission-critical embedded systems.

Technical Context

The XC5VLX85-2FF1153I implements a hierarchical FPGA architecture with six distinct logic tile types-including SLICEM (with distributed RAM and shift registers) and SLICEL-enabling flexible LUT-based logic and dedicated carry chains. Its clocking system integrates up to 32 DCMs and 16 PLLs per device, supporting phase alignment, frequency synthesis, and jitter filtering across multiple domains.

It supports SelectIO™ standards including LVDS, SSTL, HSTL, and differential signaling up to 1.25 Gbps per I/O pair. Configuration occurs via Master Serial, Slave Serial, or JTAG modes using external PROM or processor-controlled interfaces, with dual-boot capability enabled through configuration memory partitioning.

Key Specifications

Pinout & Package

XC5VLX85-2FF1153I is housed in a 1153-pin flip-chip fine-pitch BGA (FF1153) package with 35 mm × 35 mm body size, 1.0 mm ball pitch, and Pb-free RoHS-compliant construction. Thermal performance is enhanced by an exposed thermal pad on the underside.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-density FPGA applications.

Compared with XC5VLX85-2FF1153I, the XC6VLX130T-2FF1156I provides greater memory and efficiency but requires PCB redesign and toolchain migration, while the XCVU9P-2FLGA2104I delivers massive scalability at the cost of legacy IP reuse and thermal management complexity.

Availability

XC5VLX85-2FF1153I is available at Aetrix Electronics and suitable for radar baseband processing, medical imaging backend subsystems, and avionics data concentrators requiring stable component supply across extended product lifecycles.

Supply support for XC5VLX85-2FF1153I 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 continues development of adaptive computing platforms for high-performance embedded and datacenter applications.

The Virtex-5 family was designed specifically for compute-intensive, low-latency signal processing in defense, aerospace, and medical imaging systems where deterministic timing and industrial temperature resilience are mandatory.

FAQ

What is the maximum operating frequency of the XC5VLX85-2FF1153I?

The XC5VLX85-2FF1153I is rated at speed grade -2, guaranteeing register-to-register timing closure up to 579 MHz under worst-case industrial temperature and voltage conditions. Actual achievable frequency depends on design placement, routing congestion, and clock domain structure-but the -2 grade provides verified timing margin for critical paths in radar and imaging applications where the XC5VLX85-2FF1153I is commonly deployed.

Does the XC5VLX85-2FF1153I support partial reconfiguration?

Yes, the XC5VLX85-2FF1153I supports partial reconfiguration through its configuration logic and bitstream architecture, enabling dynamic replacement of logic modules without resetting the entire device. This capability is documented in Xilinx UG192 and used in adaptive radar waveform updates and protocol gateway firmware upgrades where the XC5VLX85-2FF1153I serves as the core processing element.

What configuration modes does the XC5VLX85-2FF1153I support?

The XC5VLX85-2FF1153I supports Master Serial, Slave Serial, and JTAG configuration modes. Master Serial uses an external PROM or microcontroller to drive CCLK and DIN; Slave Serial allows host processor control; JTAG enables boundary-scan testing and in-system programming. All three modes are fully supported in Vivado and ISE toolchains for the XC5VLX85-2FF1153I.

Is the XC5VLX85-2FF1153I RoHS compliant?

Yes, the XC5VLX85-2FF1153I is manufactured with Pb-free solder balls and complies with EU RoHS Directive 2011/65/EU. The FF1153 package uses matte tin finish on contact surfaces and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3), requiring bake conditioning before reflow if exposed beyond floor life-standard handling for the XC5VLX85-2FF1153I in industrial assembly lines.

What is the block RAM capacity of the XC5VLX85-2FF1153I?

The XC5VLX85-2FF1153I contains 4.8 Mb of total block RAM, implemented as 288 × 18 Kb RAMB18 blocks and 144 × 36 Kb RAMB36 blocks. This memory is distributed across the die for low-latency access and supports true dual-port, simple dual-port, and FIFO configurations-key for buffering multi-channel ADC data streams in systems using the XC5VLX85-2FF1153I.