Dual Channel MIL-STD-1553 FPGA Mezzanine Card

Monday, March 20, 2023


Aliso Viejo, CA (March 15, 2022) – Holt Integrated Circuits today announced the introduction of a new dual channel MIL-STD-1553 mezzanine card featuring it’s HI-25850, a 3.3V MIL-STD-1553 dual transceiver with integrated transformers. The transformers are configured to provide a transformer-coupled MIL-STD-1553 interface. Integration of the transformers in the IC package provides significant board space saving. 

The ADK-25850FMC-2 development kit is a dual channel MIL-STD-1553 FPGA Mezzanine Card (FMC) reference design using standard IAW VITA 57.1 form factor. The card interfaces to a host or FPGA using FMC connectors or two PMOD headers. The HI-25850 transceivers support digital I/O of 1.8V, 2.5V or 3.3V, enabling more flexibility for host or FPGA selection, and are MIL-STD-1553A/B/C, MIL-STD-1760, SAE AS15531A and STANAG 3838 compliant. 

“Holt’s integrated transceiver-transformer combination is the perfect choice for PMC or XMC cards” said Sean Sleicher, Director of Business Development at Holt. “This kit demonstrates its key features and is an excellent reference design for MIL-STD-1553 application development.”

The card provides various jumpers and DIP switches to demonstrate the capabilities of the HI-25850. For example, the device features “tail-off” compensation, which minimizes output offset caused by timing mismatch or transmit signal path propagation differences resulting from board layout. This may be done in two ways, by input data synchronization or by applying a fixed offset to the output via three digital inputs.  

The HI-25850 transceiver also features an optional receive output pulse extension. When this feature is enabled, receiver output pulse widths do not drop below 180ns, greatly simplifying decoder design and enhancing noise performance.

A single channel version, ADK-25850FMC-1, which provides a single dual redundant MIL-STD-1553 interface, is also available.


To request information on Holt’s ARINC 429, CAN (ARINC 825), MIL-STD-1553 and other product lines, readers should contact Holt at (949) 859-8800, by e-mail at info@holtic.com, or visit the Holt website at www.holtic.com


About Holt Integrated Circuits

Located in Orange County, CA, Holt Integrated Circuits is a major supplier of ICs for avionics and military aircraft data bus and display applications. The company’s products are specified by more than 400 manufacturers worldwide and are employed in flight control, navigation, engine management, communications, safety equipment, and in-flight entertainment systems. 

Holt’s range of ICs supporting the ARINC 429 standard is the widest in the industry, and its MIL-STD-1553 transceivers are recognized as the industry’s smallest, having the lowest power consumption. In addition, Holt MIL-STD-1553 integrated terminals offer the most compact, cost effective solution available, integrating protocol, transceiver and transformers in a single 15x15mm package. Holt also offers its MIL-STD-1553 protocol as a DAL A, DO-254 Certifiable IP Core. Other data bus products include ARINC 717, CAN (ARINC 825), Ethernet, RS-485/422, discrete-to-digital and analog switches. 

Select products are available to DSCC SMD specifications. Holt also offers product compliant to the European Union "RoHS Directive /95/EC". 

Holt Integrated Circuits is AS9100D:2016 and ISO 9001:2015 registered.





Only registered users can leave comments.
Comment title: