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BUY CS82C55A-5 https://www.utsource.net/itm/p/876811.html
30 AMP MINIATURE POWER RELAY
The CS82C55A-5 is a peripheral component interconnect (PCI) chip designed by Intersil Corporation. It is a programmable peripheral interface (PPI) controller that provides an interface between the PCI bus and the 8255A programmable peripheral interface (PPI) chip. The 8255A is a general-purpose programmable I/O device that can be used to control a variety of peripheral devices. The CS82C55A-5 is available in a 44-pin PLCC package and is designed to operate at 5V. It features two 8-bit I/O ports, two 4-bit I/O ports, and a 4-bit control port. It also has an interrupt output and can be programmed to provide an interrupt on any of the I/O ports. The CS82C55A-5 is used in a variety of applications, including industrial automation, robotics, medical equipment, and instrumentation. It is also used in embedded systems, such as embedded controllers, and in computer systems, such as PCs and workstations. (For reference only)