Description
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.
Features
- 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.