GENERAL DESCRIPTION
   Holt’s family of ARINC 429 line receivers include internal lightning protection circuitry which ensures compliance with RTCA/DO-160G, Section 22 Level 3 Pin Injection Test Waveform Set A (3 & 4), Set B (3 & 5A) and Set Z (3 & 5B) without the use of any external components. Pin surge levels for Level 3 are summarized below. The HI-8450 and HI-8451 are single ARINC 429 line receivers available in compact 8-pin SOIC packages. The HI-8454 and HI-8455 contain 4 independent ARINC 429 line receivers.

FEATURES
• Internal lightning protection circuitry ensures
   compliance with RTCA/DO-160G, Section 22
   Level 3 Pin Injection Test Waveform Set A (3 &
   4), Set B (3 & 5A) and Set Z (3 & 5B)
• Direct connection to ARINC 429 bus with no
   external components
• 3.3V or 5.0V single supply operation
• Test inputs bypass analog inputs and force digital
   outputs to a one, zero, or null state (not available
   on HI-8455)
• Industrial and Extended temperature ranges
• Burn-in available