XC3S50A-5VQG100C

The XC3S50A-5VQG100C is a Spartan®-3A Field Programmable Gate Array (FPGA) IC from AMD in a 100-pin TQFP package. It provides a compact, low-voltage programmable logic fabric with a balance of logic density, on-chip memory and I/O suitable for small to medium digital designs.

Key Features

• Core Logic  Approximately 1,584 logic elements and a reported 50,000 gates provide the programmable resources for custom digital functions.
• Embedded Memory  55,296 bits of on-chip RAM (approximately 0.055 Mbits) for local data storage and buffering.
• I/O Count  68 general-purpose I/O pins to interface with peripherals, sensors and external logic devices.
• Power  Specified core supply voltage range of 1.14 V to 1.26 V for the device core.
• Package  100-TQFP package (supplier device package: 100-VQFP 14×14) offering a compact surface-mount form factor.
• Operating Range  Commercial operating temperature range of 0 °C to 85 °C and surface-mount mounting type.
• Compliance  RoHS compliant, meeting common lead-free environmental requirements.

Typical Applications

• Prototyping and Development: Use the XC3S50A-5VQG100C for validating custom digital logic and small-scale FPGA designs where a compact package and modest logic capacity are required.
• Embedded Control: Implement control logic and glue functions in embedded systems taking advantage of the device’s on-chip memory and 68 I/O pins.
• Interface Bridging: Deploy as an interface or protocol bridge between peripherals and a system controller, leveraging the available I/O and programmable logic.

Unique Advantages

• Compact, Surface-Mount Package: The 100-TQFP (14×14) package provides a small PCB footprint for space-constrained designs.
• Balanced Logic and Memory: A combination of approximately 1,584 logic elements and 55,296 bits of RAM supports both control and modest buffering tasks within a single device.
• Ample I/O for Peripherals: 68 I/O pins give flexibility for connecting multiple external devices without auxiliary components.
• Low-Voltage Core: The 1.14 V–1.26 V supply range enables integration into systems with modern low-voltage power rails.
• Commercial Temperature Range: Rated for 0 °C to 85 °C operation, suitable for standard commercial applications.
• RoHS Compliant: Meets lead-free environmental standards to simplify regulatory considerations.

Why Choose XC3S50A-5VQG100C?

The XC3S50A-5VQG100C positions itself as a practical, compact FPGA choice for designers needing a low-voltage, surface-mount programmable device with a modest complement of logic, embedded memory and I/O. Its specifications make it well suited for small to medium complexity designs such as embedded control logic, interface bridging and development platforms where board space and power considerations matter.

With RoHS compliance and a commercial temperature rating, this Spartan®-3A device provides a straightforward, verifiable option for teams seeking reliable programmable logic in a 100-pin TQFP footprint.

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