16,384-BIT EPROM WITH I/O

The Intel 8755A is an erasable and electrically reprogrammable ROM (EPROM) and I/O chip to be used in the 8085AH microprocessor systems. The EPROM portion is organized as 2048 words by 8 bits. It has a maximum access time of 450 ns to permit use with no wait states in an 8085AH CPU.
The I/O portion consists of 2 general purpose I/O ports. Each I/O port has 9 port lines, and each I/O port line is individually programmable as input or output.