Mini-ACE® Mark3 and Micro-ACE®-TE

BU-64743/64843/64863 and BU-64840/64843/64860/64863/65864

Package: 80-pin Ceramic Flatpack or Gull Wing Package324-Ball BGA Package

Lead Free Information: C, D

Description
Features
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Description:

The Mini-ACE Mark3 and Micro-ACE-TE are the world's first MIL-STD-1553 terminals which can be powered entirely by +3.3 volts, thus eliminating the need for a +5 volt power supply. With a package body of 0.890 inches square and a gull wing "toe-to-toe" dimension of 1.125 inches max, the Mini-ACE Mark3 is the industry's smallest ceramic gull-lead 1553 terminal. At 0.815 inches square, the Micro-ACE-TE (BGA package) provides the smallest industry footprint, enabling its use in applications where PC board space is at a premium.

These devices integrate dual 3.3 or 5 volt transceivers, protocol logic, and either 4K or 64K words of internal RAM.The architecture is identical to that of the Enhanced Mini-ACE, and most features are functionally and software compatible with the previous Mini-ACE (Plus) and ACE generations.

A salient feature of the Mini-ACE Mark3 and Micro-ACE-TE is the advanced bus controller architecture. This provides methods to control message scheduling, the means to minimize host overhead for asynchronous message insertion, facilitate bulk data transfers and double buffering, and support various message retry and bus switching strategies.

The remote terminal architecture provides flexibility in meeting all common MIL-STD-1553 protocols.The choice of RT data buffering and interrupt options provides robust support for synchronous and asynchronous messaging, while ensuring data sample consistency and supporting bulk data transfers. The monitor mode provides true message monitoring, and supports filtering on an RT address/T-R bit/subaddress basis.

The Mini-ACE Mark3 and Micro-ACE-TE incorporate fully autonomous built-in self-tests of internal protocol logic and RAM. The terminals provide the same flexibility in host interface configurations as the ACE/Mini-ACE, along with a reduction in the host processor's worst case holdoff time.

The need for DO-254 compliance is becoming increasingly prevalent in the industry, with FAA regulations requiring DO-254 compliance for new military air transport and helicopter applications. DO-254 was developed by the avionics industry to establish hardware deployment guidelines for developers, verification engineers, quality managers, installers, and users. Hardware design, safety features, and in-service experience are just a few of the items involved in DO-254 certification, and subcontractors are struggling with how to certify their systems to DO-254.

DDC can help customers achieve DO-254 certification for designs using the Enhanced Mini-ACE and Mini-ACE Mark 3 family of products. The support package is available from DDC upon request and provides information useful to obtain DO-254 certification.

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Features:

World’s first 3.3 Volt-Only Terminal (No other power supplies required) (5V version also available)
Smallest 0.89" X 0.89", 0.130" Max Ht CQFP or 0.815" SQ x 0.120" Max Ht. BGA
80-pin Ceramic Flatpack or 324 Ball BGA Package
Available with Generic Processor or PCI Target Interface
Enhanced Mini-ACE Architecture
Multiple Configurations:
- RT-only, 4K RAM
- BC/RT/Monitor, 4K RAM
- BC/RT/Monitor, 64K RAM
Supports 1553A/B Notice 2, McAir, STANAG 3838 Protocols
MIL-STD-1553, McAir, and MIL-STD-1760 Transceiver Options
Highly Flexible Host Side Interface
Highly Autonomous BC with Built-In Message Sequence Controller
Choice of Single, Double, and Circular RT Buffering Options
Selective Message Monitor
Comprehensive Built-In Self-Test
Available with Full Military Temperature Range and Screening
Lower Power Consumption / Dissipation Than 5V Terminals