HI-8451

December 2016 HI-8450, HI-8451, HI-8454, HI-8455 Single / Quad ARINC 429 Line Receivers with Integrated DO-160G Level 3 Lightning Protection 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 HI8450 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. Waveform 3 VOC/ISC 600V/24A Waveform 4 VOC/ISC 300V/60A Waveform 5A VOC/ISC 300V/300A Waveform 5B VOC/ISC 300V/300A The devices are designed to operate from either a 5V or 3.3V supply. Each receiver channel translates incoming ARINC 429 data bus signals to a pair of TTL / CMOS outputs. The TESTA and TESTB inputs bypass the analog...