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Total-Space ACE Complete Rad Tolerant MIL-STD-1553 Solution


Part Number(s): BU-67521
Package: Flat Pack, Gull Wing

Total-Space ACE is a completely integrated rad tolerant MIL-STD-1553 terminal in a single package, including protocol, SRAM, dual transceivers and transformers, and is designed to interface to a host processor.


  • Compact Integrated Design Saves Space... Replaces Two Transceivers, Two Transformers, Protocol, and Memory
  • Simplified Board Design and Increased Reliability with a Single Package Solution
  • Transformers and Transceivers, Trimmed and Tested as a Set, Provide Superior Margin for MIL-STD-1553 Compliance


  • Launch Vehicles
  • Military Satellites
  • Research Satellites
  • International Space Station
  • Commercial Telecommunication Satellites


  • Small, Fully Integrated 1553 Terminal with Integrated Protocol, RAM, Transceivers and Transformers in a Single Package
    • Ceramic Quad Flatpack
    • 28.7 x 41.4 x 6.4 mm (1.13 x 1.63 x 0.25 in.)
  • Low Power +3.3V Operation
  • BC, RT, MT, RT/MT Protocol
  • 16K x 16 SRAM
  • Autonomous Built-In Self-Test
  • Radiation Tolerant
    • Latchup Immune (>85 MeV)
    • 300Krads Total Dose (Si)
  • Functionally Compatible with BU-61582 and BU-63825 Space Components (I/O voltage changes from 5V to 3.3V)



 Product Brief

BU-67521 Total-Space ACE


BU-67521 Total-Space ACE

 Generic Document

Data Bus Boards and Components Flyer

Data Bus Boards, Modules, and Software Flyer

Data Bus Solutions: Components

DDC Corporate Overview

DDC Product Catalog

DDC Custom Solutions Brochure


Ordering Information:

 Ordering Information

You can use the following link to download a PDF copy of the Ordering Information:
Ordering Information: BU-67521 Total-Space ACE [icon] BU-67521 Total-Space ACE

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