Advanced Technology Airborne Computer
Type of computer From Wikipedia, the free encyclopedia
The Advanced Technology Airborne Computer (ATAC) was a product of Itek (a division of Litton Industries), used on US naval aircraft, and the NASA Galileo (spacecraft).[1]: 198–201
 | This article relies largely or entirely on a single source. (June 2024) |
The ATAC was built using AMD 2901 4-bit processors and had a basic cycle time of 250 ns.[1]: 198 It could be programmed in HAL/S, and could be microprogrammed to add new instructions. The Galileo project added four instructions.
Use on US Naval aircraft
![[icon]](#/media/File:Wiki_letter_w_cropped.svg){kind=small} | This section is empty. You can help by adding to it. (January 2022) |
Use by Galileo project
The Galileo Attitude and Articulation Control System (AACSE) was controlled by two Itek Advanced Technology Airborne Computers (ATAC), built using radiation-hardened 2901s.[1]: 201, 207 The project wrote their own GRACOS (Galileo realtime Attitude Control Operating System).
The Galileo project had radiation-hardened 2901 processors made (by Sandia National Lab) for the spacecraft.[1]: 202
References
Further reading
Wikiwand - on
Seamless Wikipedia browsing. On steroids.