Accession Number:

AD0784372

Title:

Triad Computer.

Descriptive Note:

Technical memo.,

Corporate Author:

JOHNS HOPKINS UNIV SILVER SPRING MD APPLIED PHYSICS LAB

Personal Author(s):

Report Date:

1973-08-01

Pagination or Media Count:

175.0

Abstract:

The Triad computer is a third-generation, general purpose, ground programmable digital computer used in the Triad satellite as a real-time controller operating under a priority interrupt system. It consists of a data processor, a memory section, and a power processor. The data processor uses standard and medium scale TTL integrated circuits on high density multilayer boards. The memory section, with a cycle time of 2.4 microsec consists of a 4K-word-by-16-bit aerospace memory stack and hybrid circuitry for address selection and digit sensing, plus a read-only memory containing a bootstrap loader program. The power processor provides power storage plus power level selection under program control. Modified author abstract

Subject Categories:

  • Computer Hardware
  • Unmanned Spacecraft

Distribution Statement:

APPROVED FOR PUBLIC RELEASE