XCS20XL-4VQG100C

The XCS20XL-4VQG100C is a Spartan®-XL field programmable gate array (FPGA) IC from AMD. It provides programmable logic resources and on-chip memory suitable for compact, low-voltage embedded designs.

With 950 logic elements, approximately 12.8 kbits of embedded RAM, and 77 I/O pins in a 100-TQFP (14×14 mm) package, this commercial-grade device targets applications that require moderate logic density, flexible I/O and surface-mount board integration.

Key Features

• Core Logic  950 logic elements (approximate) and about 20,000 gates provide the programmable logic capacity for control, glue-logic and moderate complexity designs.
• Embedded Memory  Approximately 12,800 bits of on-chip RAM for small buffers, FIFOs or state storage directly inside the FPGA.
• I/O  77 user I/O pins to interface with peripherals, sensors and external logic without additional I/O expanders.
• Power  Operates from a 3.0 V to 3.6 V supply range, supporting common 3.3 V system architectures.
• Package & Mounting  100-TQFP (supplier package: 100-VQFP, 14×14) surface-mount package for compact PCB implementations and automated assembly.
• Operating Range  Commercial-grade temperature range of 0 °C to 85 °C for general temperature environments.
• Regulatory  RoHS compliant to support lead-free manufacturing processes.

Typical Applications

• Embedded Control  Implement custom control logic and interface glue in embedded systems using the device’s logic elements and I/O count.
• Sensor Interfacing  Aggregate and preprocess sensor data with on-chip RAM and dedicated I/O for compact sensor hubs or data concentrators.
• Prototyping & Evaluation  Use the FPGA as a development platform for validating logic designs and small-scale hardware prototypes in a 100-TQFP footprint.

Unique Advantages

• Balanced Logic Capacity: 950 logic elements provide a middle ground for designs that need more than simple glue logic but do not require high-density arrays.
• On-Chip Memory: Approximately 12.8 kbits of embedded RAM reduces the need for external memory for small buffering and state storage tasks.
• Generous I/O: 77 I/Os enable direct connections to multiple peripherals and interfaces, simplifying board-level design.
• Compact Surface-Mount Packaging: The 100-TQFP (14×14) package supports space-constrained PCBs and standard automated assembly processes.
• Low-Voltage Operation: 3.0–3.6 V supply compatibility aligns with common 3.3 V system power rails.
• RoHS Compliant: Supports lead-free manufacturing and regulatory requirements for many commercial products.

Why Choose XCS20XL-4VQG100C?

The XCS20XL-4VQG100C combines moderate logic density, embedded RAM and ample I/O in a compact 100-TQFP surface-mount package, making it well suited for commercial embedded systems, prototyping and interface-centric designs. Its 3.0–3.6 V supply range and RoHS compliance help streamline integration into standard 3.3 V platforms and lead-free manufacturing flows.

This part is appropriate for engineers and designers seeking a programmable, mid-range FPGA from AMD that offers a balance of logic resources, on-chip memory and I/O in a commercially graded device.

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