Holt releases HI-35981 8-Channel ARINC 429 Line Receiver - The Newest Addition to the HI-35980 Family
Holt HI-35981 Enhanced Octal ARINC 429 Line Receiver with Label Recognition and SPI Bus Interface
Holt Integrated Circuits have announced the release of the HI-359818-Channel ARINC 429 Line Receiver, derived from Holt’s well-established HI-35980 (HI-3598) family.
The HI-35981 provides additional features and functionality, with user-programmable label filtering capability expanded from 16 labels to all 256 labels, and the 4-word deep receive FIFO has increased to 32 words deep. In addition, a 32-word deep transmit FIFO has been added, significantly increasing the transmit capability from the single-word buffer on the existing device. Each receive channel has an integrated line receiver, enabling direct connection to an ARINC 429 bus.
Other features include the ability to switch the bit-significance of the ARINC 429 label and to recognize the 32nd received ARINC bit as either data or a parity flag. The SPI and all control signals are CMOS and TTL compatible and support 3.3V or 5V operation.
With the HI-35981 the user is able to utilise the built-in input resistor on each channel or use an external resistor to provide additional flexibility for external lightning protection.
The digital transmit channel also features a digital output pin to set the data rate on an external line driver, such as Holt’s lightning-protected HI-8597 or galvanically isolated HI-8598.
The Holt HI-35981 8-channel ARINC 429 line receiver is available in industrial −40°C to +85°C and extended −55°C to +125°C temperature ranges with optional burn-in at the higher temperature.
George Noh, Director of Sales and Marketing at Holt Integrated Circuits
Features:
- ARINC 429 compliant
- Up to 8 independent receive channels
- 32-Word receive FIFO for each channel
- Op code readable receive FIFO message counts allows for more efficient FIFO unloading
- Digital transmit channel with slew rate control
- 32-Word transmit FIFO
- 3.3V or 5.0V logic supply operation
- On-chip analog line receivers connect directly to the ARINC 429 Bus
- Programmable label recognition for 256 labels per channel
- Independent data rate selection for each receiver
- High-speed, four-wire Serial Peripheral Interface
- Label bit-order control
- 32nd bit can be data or parity
- Low power
- Industrial and extended temperature ranges available
Download the HI-35981 data sheet.
Holt supports designs to DO245 level and provides quality and reliability reports supporting certification to DAL A requirements. Many of the parts are derived from older devices with a lot of additional in-service hours.
Samples and further technical information on the HI-8427 can be requested by speaking to a member of our high-reliability components team. With a long history and technical expertise in civil and defence avionics, our team can also advise on Holt's ARINC 429, CAN, MIL-STD-1553 and other product lines. For more information regarding the Holt HI-35981 contact a member of our team today.
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.