82C55 Datasheet | Intel Corporation

82C55A CHMOS PROGRAMMABLE PERIPHERAL INTERFACE Y patible with all Intel and Most Other Microprocessors High Speed ‘‘Zero Wait State’’ Operation with 8 MHz 8086 88 and 80186 188 24 Programmable I O Pins Low Power CHMOS pletely TTL patible Control Word Read-Back Capability Direct Bit Set Reset Capability 2 5 mA DC Drive Capability on all I O Port Outputs Available in 40-Pin DIP and 44-Pin PLCC Available in EXPRESS Standard Temperature Range Extended Temperature Range Y Y Y Y Y The Intel 82C55A is a high-performance CHMOS version of the industry standard 8255A general purpose programmable I O device which is designed for use with all Intel and most other microprocessors...