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Transformers, Inductors & Couplers

Rad-Tolerant Solutions

Custom Solutions



Total-ACE® Fully Integrated MIL-STD-1553 Solution in a Single Package


Part Number(s): BU-6x8x3T, BU-6x8x3U, BU-6x8x3H, BU-6x8x3I
Package: BGA
Lead Free Information: D

Save board space and simplify your 1553 design and layout with the world's first fully integrated MIL-STD-1553 component, complete with 1553 protocol, memory, transceivers, and isolation transformers—all in one small plastic BGA package with direct and/or transformer coupled 1553 connections inside.


  • Small Size Saves Board Space
  • Simplified Board Design with Single Package System
  • Single Part Provides Increased Reliability
  • Field Proven & Reliable Technology with over 62 Million Hours of In-Service History
  • Qualified and RT Validated to Simplify Qualification
  • Lower Total Cost of Ownership
  • Software Compatible with ACE, Mini-ACE®, Enhanced Mini-ACE®, Micro-ACE®, and Mini-ACE® Mark3 Series


  • Mission Computers
  • Digital Data Recorders
  • LRU's
  • Displays
  • Radios/Modems
  • Radar Systems/Situational Awareness
  • Ground Vehicles
  • Commercial Aerospace


  • Small 312 Ball BGA Package:
    • Transformer-Coupled Component (0.6" x 1.1") (15.2 mm x 27.9 mm)
    • Direct & Transformer-Coupled Component (0.7" x 1.1")(17.8 mm x 27.9 mm)
    • 0.185" (4.7 mm) Max Height
  • 1 Dual Redundant MIL-STD-1553 Channel
    • BC, RT, MT or RT/MT Functionality
    • Direct and/or Transformer Coupled
    • Supports MIL-STD-1553 A/B & MIL-STD-1760
    • 4K x 16 or 64K x 16 RAM
    • Tx Inhibit Ball for MT Only Applications
    • BC Disable Ball for RT Only Applications
    • External RT Address Inputs
    • MIL-STD-1760 RT Auto Boot
    • Simple System RT Mode
  • Autonomous Built-In Self-Test
  • 3.3 Volt Only Operation
  • DO-254 Certifiable
  • Leaded and RoHS Versions Available
  • High-Level C Software Development Kits with Sample Code for Windows®, Linux®, and VxWorks®
  • Graphical Interface to Generate Application C Code
  • -55°C to +125°C



 Product Brief

Total-ACE MIL-STD-1553 Terminal & Transformer Solution


BU-64843X/64863X Total-ACE

BU-65843X/65863X PCI TOTAL-ACE

 Drawings, Models & Symbols

BU-64863T8 Thermal Model

Total ACE IBIS Model

 Users Guide

Enhanced Mini-ACE Users Guide Vol. 1 - Architectural Reference

Enhanced Mini-ACE Users Guide Vol. 2 - Hardware Reference


BU-69092SX AceXtreme C SDK Software Reference Manual

BU-69092SX AceXtreme C SDK Software User's Manual

 Application Note

#23 Processor to ACE Interfaces

#24 ACE RT Memory Management Options

#27 Electrical and Layout Considerations for 1553 Terminal Design

#32 Enhanced MINI-ACE Architecture Offloads Host Processor For BC Applications

#35 Enhanced Mini-Ace Built-In Self-Test

#37 Micro-ACE-TE and Total-ACE in Simple System RT (SSRT) Mode


#46 - Integrating the BU-69092 RTL with an Enhanced Mini-ACE Component in VxWorks

#49 - BGA User's Guide

Host Interface Performance for MIL-STD-1553 Terminals

Lightning Protection for Discrete Logic I/O


Total COTS Solutions for Embedded 1553

 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

MIL-STD-1553 Designer's Guide

DDC Custom Solutions Brochure



Description: MIL-STD-1553 AceXtreme C SDK for Windows (.NET Support Available - Contact Factory)
Operating System: Windows XP (32 bit) & Vista/7/8/10 (32/64 bit)
Rev: 3.6.15 [icon] 3.6.15
File Size: 79 MB

Description: MIL-STD-1553 AceXtreme C SDK for Linux
Operating System: Linux 3.x.x
Rev: 3.13.7 [icon] 3.13.7
File Size: 51 MB

Description: MIL-STD-1553 AceXtreme C SDK for VxWorks
Operating System: VxWorks 6.x / 7.0
Rev: 3.11.9 [icon] 3.11.9
File Size: 30 MB

Ordering Information:

 Ordering Information

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