XC4VLX15-11FF668C

The XC4VLX15-11FF668C is a Virtex-4 LX Field Programmable Gate Array (FPGA) in a 668-FCBGA (27×27) package designed for surface-mount assembly. It provides a balance of programmable logic capacity, on-chip memory, and a large I/O count for dense digital designs.

With 13,824 logic elements, approximately 0.885 Mbits of embedded memory, and 320 I/O pins, this commercial-grade, RoHS-compliant device is suited to applications that require significant logic resources and extensive external connectivity within a standard commercial temperature range.

Key Features

• Logic Capacity — 13,824 logic elements and 1,536 logic blocks provide the programmable fabric for custom digital circuits and state machines.
• On-chip Memory — Approximately 0.885 Mbits of embedded RAM for buffering, local storage, and small lookup tables directly on-chip.
• I/O Density — 320 user I/O pins support high-density interfacing to external devices, buses, and peripherals.
• Package & Mounting — Supplied in a 668-BBGA / 668-FCBGA (27×27) package optimized for surface-mount PCB assembly.
• Power — Core voltage supply range of 1.14 V to 1.26 V, allowing designers to match system power rails and regulators.
• Commercial Temperature Range — Rated for operation from 0 °C to 85 °C for standard commercial applications.
• Regulatory — RoHS compliant, supporting lead-free manufacturing processes and regulatory requirements.

Typical Applications

• Custom Digital Logic — Implement glue logic, protocol translation, and custom state machines using the device's sizable logic element count.
• High-density I/O Systems — Leverage 320 I/O pins for multi-channel interfaces, peripheral aggregation, and board-level signal routing.
• On-chip Data Handling — Use approximately 0.885 Mbits of embedded RAM for buffering, temporary storage, and small data path acceleration.

Unique Advantages

• Balanced Resource Set: Combines a substantial number of logic elements with embedded RAM to handle both control logic and data buffering in a single device.
• High Connectivity: 320 I/O pins provide flexibility to connect many external components without additional multiplexing or external expanders.
• Compact, Surface-Mount Package: The 668-FCBGA (27×27) package enables dense PCB layouts while remaining suitable for standard surface-mount assembly processes.
• Predictable Power Requirements: A defined core voltage range (1.14 V–1.26 V) helps integrate the device into regulated power domains with clear supply constraints.
• Commercial-grade Availability: Rated for 0 °C to 85 °C operation and RoHS compliant for mainstream electronics manufacturing and deployment.

Why Choose XC4VLX15-11FF668C?

The XC4VLX15-11FF668C positions itself as a capable mid-range Virtex-4 LX FPGA offering a well-rounded combination of programmable logic, embedded memory, and high I/O density in a single commercial-grade, surface-mount package. Its resource mix is suitable for designers who need on-chip logic and memory alongside broad external connectivity without stepping up to larger, more power-hungry devices.

This part is a practical option for teams seeking a scalable, supported FPGA solution that integrates into standard manufacturing flows and operates across common commercial temperature ranges, delivering long-term design stability and predictable integration into system power and PCB constraints.

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