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8755 > IntelC8755A_2
Modified: November 22, 2005, 2:48 pm
Manufacturer:Intel
Model:C8755A
Speed:400ns
Type:8755
Data Code:7931
Introduced:1977
Transistors:??
Package:40 pin Windowed CDIP
Process:NMOS
Architecture:2k x 8 bits w/ 2 General purpose I/O ports
Used in:MCS-85 and MCS-48 Systems
Description:The Intel® 8755A is an erasable and electrically
reprogrammable ROM (EPROM) and I/O chip to be
used in the MCS-85™ and MCS-48™ microcomputer
systems. The PROM portion is organized as 2048
words by 8-bits. It has a maximum access time of
400ns to permit use with no wait states in an
8085A CPU.

The I/O portion consists of 2 general-purpose I/O
ports. Each port has 8 port lines, and each I/O
port line is individually programmable as input
or output.