UPB8228 Overview
fttIEC Jl,PB8228 J.I PB8238 8080A SYSTEM CONTROLLER AND BUS DRIVER OESCR IPTION The pPB8228/8238 is a single chip cOntroller and bus driver for 8080A based systems. All the required interface signals rrecessary to connect RAM, ROM and I/O ponents to a pPD8080A are generated. The pPB8228/8238 provides a bi·directional three·state bus driver for high TTL fan-out and isolation of the processor data bus from the system...