DescriptionThe HI-3584A is a silicone gate CMOS device for interfacing a 3.3V 16-bit parallel data bus to the ARINC 429 serial bus. The HI-3584A design offers a high-speed host CPU interface compared with the earlier HI-3584 product. The device provides two receivers each with label recognition, a...
HI-3584A: DescriptionThe HI-3584A is a silicone gate CMOS device for interfacing a 3.3V 16-bit parallel data bus to the ARINC 429 serial bus. The HI-3584A design offers a high-speed host CPU interface compare...
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Other new features of HI-3584A include programmable option of data or parity in the 32nd bit and the ability to unscramble the 32 bit word. Also, versions are available with different values of input resistance to allow users to more easily add external lightning protection circuitry. The 16-bit parallel data bus exchanges the 32-bit ARINC data word in two steps when either loading the transmitter or interrogating the receivers. The databus and all control signals are CMOS and TTL compatible.
The 3.3V HI-3584A applies the ARINC protocol to the receivers and transmitter. Timing is based on a 1 Megahertz clock. Additional interface circuitry such as the Holt HI-8585, HI-8586, HI-8570 or HI-8571 is required to translate the transmitter's 3.3V volt logic ouputs to ARINC 429 drive levels.