XC3S100E-4TQG144I

The Xilinx XC3S100E-4TQG144I is a field-programmable gate array (FPGA) from the Spartan-3E family, developed by Xilinx (now part of AMD) for cost-optimized, high-volume embedded and industrial designs. Fabricated on a 90 nm process, it offers logic capacity in the 100,000-system-gate class, with configurable logic blocks, distributed and block RAM, and dedicated multiplier blocks for basic digital signal processing tasks. Digital clock managers (DCMs) provide frequency synthesis, phase shifting, and deskew functions, while the 144-lead thin quad flat pack (TQFP) package enables straightforward board-level assembly, inspection, and rework. The -4 speed grade and industrial temperature suffix “I” ensure specification compliance across a -40°C to +100°C ambient operating range.

Typical applications include industrial motor controllers, protocol bridges, sensor-interface management, and general-purpose I/O expansion in automation and communications infrastructure. The device supports a wide set of single-ended and differential I/O standards—such as LVCMOS, LVTTL, and LVDS—allowing direct connection to diverse peripherals without external level translation. Procurement and design teams should evaluate the Spartan-3E family as a mature technology; confirming current lifecycle status with an authorized distributor is important to manage potential obsolescence risk. While this is an industrial temperature grade component rather than a defense-screened device, it is frequently used in ruggedized industrial controls and non‑safety‑critical aerospace subsystems where extended temperature reliability and ease of supply chain verification are required. Authentic source-controlled parts guard against counterfeit risk in long-lifetime programs.