Western Design Center (WDC) is a semiconductor manufacturer specializing in microprocessors and microcontrollers. They are known for their 8-bit and 16-bit microprocessors, including the W65C02S, which is a CMOS version of the popular 6502 processor. WDC also offers a range of microcontroller families and custom ASIC design services.

I/O Controller Interface IC Peripheral Interface Adapter
Microprocessors - MPU 8/16-bit Microprocessor
IC, W65C816S6PG-14, PDIP-40, Mpu, 8/16-BIT, 16MB Mem, 14MHZ
Microprocessors - MPU 8-bit Microprocessor
IC, W65C21S6TPG-14, PDIP-40, Pia, 2X8 Bit I/o Ports, 14MHZ
I/O Controller Interface IC Versatile Interface Adapter
Microprocessors - MPU 8-bit Microprocessor
IC,W65C51N6TPG-14,PDIP-28, ACIA,NMOS COMPATIBLE,14MHZ
8KB 8-Bit Microcontroller, 5V, 8MHz, 64 I/O, 10 Timers, PLCC
I/O Controller Interface IC Peripheral Interface Adapter
PLCC 8-Bit Microcontroller, 4KB RAM, 8MHz, 5V, -40°C to 85°C
I/O Controller Interface IC Peripheral Interface Adapter
Microprocessors - MPU 8-bit Microprocessor
8-Bit Serial Interface, 5V, 500uA, PDIP Package, -40°C to 85°C
Interface - Specialized Asynch Communication Interface Adapter
8-Bit Serial Interface, 5V, 500uA, PDIP Package
8-Bit Microcontroller ROM 4096B 56I/O 4Timer 14MHz 5.5V PLCC
8-Bit Serial Interface IC, PLCC, 5V, 500uA