CMOS Programmable peripheral Interface
Features
Pin Compatible with NMOS 8255A 24 Programmable I/O Pins Fully TTL Compatible High Speed, No “Wait State” Operation with 5MHz 80C86 and 8MHz 80C88 Direct Bit Set/Reset Capability Enhanced Control Word Read Capability L7 Process 2.5mA Drive Capability on All I/O Ports Low Standby Power (ICCSB) ....