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HI-8591PDMF-40 Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-8591PDMF-40 Datasheet(HTML) 1 Page - Holt Integrated Circuits |
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1 / 8 page  HI-8591 DESCRIPTION ! ! ! ARINC 429 line receiver interface in a small outline package Receiver input hysteresis at least 2 volt Test inputs bypass analog inputs and force digital outputs to a one, zero or null state ! ! ! ! 3.3V single rail supply voltage +/-30 V common-mode performance >140 KOhm input impedance Lightning protection simplified with the ability to add 40 KOhm external series resistors FEATURES PIN CONFIGURATIONS SUPPLY VOLTAGES FUNCTION TABLE vcc = 3.3V 5.0V ± 10% ± 10%, PIN DESCRIPTION TABLE The HI-8591 is an ARINC 429 bus interface receiver designed to operate from a single 3.3 V or 5 V supply. The part is designed with high-impedance inputs to minimize bus loading, and has an exceptional input common-mode performance in excess of +/- 30V, making it immune to ground offsets around the aircraft. The RINA and RINB inputs of the standard HI-8591 may be connected directly to the ARINC 429 bus. To enable external lightning protec- tion circuitry to be added, the HI-8591-40 variant is avail- able. The HI-8591-40 requires only the addition of external 40 K , ¼ watt resistors in series with RINA and RINB to allow the part to meet the lightning protection requirements of DO-160D level 3. The typical 10 volt differential ARINC 429 signal is trans- lated and input to a window comparator and latch. The comparator levels are set just below the standard 6.5 volt minimum ARINC data threshold and just above the stan- dard 2.5 volt maximum ARINC null threshold. The TESTA and TESTB inputs bypass the analog inputs for testing purposes. Also if TESTA and TESTB are both taken high, the digital outputs are forced to zero. See Holt Application Note AN-300 for more information on lightning protection. W (DS8591, Rev. H) 03/13 SYMBOL FUNCTION DESCRIPTION VCC SUPPLY 3.3V or 5V SUPPLY TESTA LOGIC INPUT CMOS RINB ARINC INPUT RECEIVER B INPUT RINA ARINC INPUT RECEIVER A INPUT GND POWER GROUND ROUTA LOGIC OUTPUT RECEIVER CMOS OUTPUT A ROUTB LOGIC OUTPUT RECEIVER CMOS OUTPUT B TESTB LOGIC INPUT CMOS -1.25V to 1.25V -1.25V to 1.25V 0 0 0 0 -3.25V to -6.5V 3.25V to 6.5V 0 0 0 1 3.25V to 6.5V -3.25V to -6.5V 0 0 1 0 XX 0 1 0 1 XX 1 0 1 0 XX 1 1 0 0 RINA RINB TESTA TESTB ROUTA ROUTB RINA - 4 TESTA - 2 VCC-1 RINB - 3 5 - GND 7 - ROUTB 8 - TESTB 6 - ROUTA 8 - PIN PLASTIC NARROW BODY SOIC HI-8591PSI, HI-8591PST & HI-8591PSM HI-8591PSI-40, HI-8591PST-40 & HI-8591PSM-40 16- pin 4mm x 4mm Chip-scale package TESTA 1 RINB 2 RINA 3 NC 4 12 ROUTB 11 NC 10 ROUTA 9NC HI-8591PCI, HI-8591PCT, HI-8591PCI-40 & HI-8591PCT-40 March 2013 ARINC 429 Line Receiver HOLT INTEGRATED CIRCUITS www.holtic.com |
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