The HI-8281 device from Holt Integrated Circuits is a silicon gate CMOS device for interfacing a 16-bit parallel data bus directly to the ARINC 429 serial bus. The device provides two receivers, an independent transmitter and line driver capability in a single package. The receiver input circuitry and logic are designed to meet the ARINC 429 specifications for loading, level detection, timing, and protocol. The transmitter section provides the ARINC 429 communication protocol and the line driver circuits provide the ARINC 429 output levels.

• ARINC Specification 429 Compatible
• Direct Receiver and Transmitter Interface to the ARINC Bus in a Single Device
• 16-bit Parallel Data Bus
• Timing Control 10 Times the Data Rate
• Selectable Data Clocks
• Receiver Error Rejection per the ARINC 429 Specification
• Automatic Transmitter Data Timing
• Self Test Mode
• Parity Functions
• Low Power CMOS
• Industrial & Extended Temperature Ranges Available

• Avionics Data Communication
• Serial to Parallel Conversion
• Parallel to Serial Conversion