Western Design Center

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Western Design Center
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The Western Design Center (WDC), founded in 1978 by William D. Mensch, Jr., is a pioneering leader in 65xx brand CMOS microprocessor technology. WDC was the first company to license microprocessor intellectual property (IP) in 1981 and became the industry’s first fabless microprocessor chip supplier in 1984. Its iconic 6502 and 65816 microprocessors have powered some of the most influential technologies of the last few decades, including early Apple computers, Atari and Nintendo game consoles, and critical systems in communications, automotive, and medical devices. With over six billion embedded processors shipped globally, WDC continues to shape the electronics industry through its IP licensing and legacy product lines. The company remains a key innovator in microprocessor architecture, recognized for its foundational role in the evolution of modern computing.
Featured Products
Integrates a programmable baud rate generator, full-duplex operation, and multiple data formatting options in a compact CMOS package. It supports flexible, high-speed UART functionality with its built-in data buffering and microprocessor-controlled modes.
Compatible with legacy 6500-series systems, this microprocessor offers a fully static 8/16-bit CMOS microprocessor that extends memory addressing to 16MB. With low power consumption, enhanced addressing modes, and dual operating modes, it’s ideal for scalable, high-efficiency SoC designs.
This low-power, high-speed interface adapter offers two independently controlled I/O ports, programmable data direction, and handshake interrupt control. The W65C21 integrates easily with various 8-bit microprocessors and supports legacy and modern system designs with plug-in replacements and data transfer capabilities.
Featuring a static 8-bit processor core, on-chip ROM/RAM, UART, and a rich interrupt structure, the W65C134S offers high functionality in a compact, low-power design. By combining fast clock transitions, real-time features, and segmented memory space, it enables efficient and precise control.
A fully static, low-power 8-bit microprocessor with a variable-length instruction set optimized for compact, energy-efficient System-on-Chip (SoC) designs. With 16-bit address capability, 70 instructions, and 16 addressing modes, it offers flexibility and precise control for embedded applications.