IN82C55 - IK Semiconductor

IN82C55 Promrammable Periphral Interface

General The IN82C55AN is a programmable peripheral interface device designed for use in Intel microcomputer systems. Its function is that of a general purpose I/O component to interface peripheral equipment to the microcomputer system bus. The functional configuration of the IN82C55AN is programmed by the system software so that normally no external logic is.

Features

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• a D . w S a t Compatible with all Intel and Most Other Microprocessors High Speed, «Zero Wait State» Operation with 8MHz 8086/88 and 80186/188 24 Programmable I/O Pins Low Power CHMOS Completely TTL Compatible Control Word Read-Back Capability Direct Bit Set/Reset Capability 2.5mA DC Drive Capability on all I/O Port Outputs Available in 40-Pin DIP Available in EXPRESS ƒ Standard Temperature Range ƒ Extended Temperature Range ƒ GROUP A CONTROL D7-D0 DATA BUS BUFFER w w w t a .D S a e h PA7-PA0 PC7-PC4 U 4 t e PA3 PA2 PA1 PA0 RD CS VSS A1 A0 PC7 PC6 PC5 PC4 PC0 P.