Holt's HI-85104 the world’s first quad ARINC 429 line driver
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Jan. 29, 2026
The HI-85104 is the World’s first fault-isolated Quad ARINC 429 line driver, available in a compact 6mm x 6mm QFN package. The device consists of four line drivers, with an integrated inverting / non-inverting voltage doubler to generate the rail voltages used to produce the ARINC 429 output levels. A VDDIO supply pin is provided to allow compatibility with 1.8V, 2.5V, 3.3V or 5.0V digital logic inputs, which feature built-in 4kV ESD input protection (HBM).