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HI-8570PDTF Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-8570PDTF Datasheet(HTML) 1 Page - Holt Integrated Circuits |
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1 / 9 page  (DS8570 Rev. E) 08/13 1 2 3 4 5 6 7 8 PIN SLP 1.5 TX0IN TX1IN GND V- TXAOUT TXBOUT V+ SYMBOL LOGIC INPUT LOGIC INPUT LOGIC INPUT POWER POWER OUTPUT OUTPUT POWER FUNCTION CMOS OR TTL, V+ IS OK CMOS OR TTL CMOS OR TTL GROUND -5 VOLTS LINE DRIVER TERMINAL A LINE DRIVER TERMINAL B +5 VOLTS DESCRIPTION 0 0 0 1 1 1 TX1IN TX0IN SLP1.5 TXAOUT TXBOUT SLOPE 0 1 1 0 0 1 X 0 1 0 1 X 0V -5V -5V 5V 5V 0V 0V 5V 5V -5V -5V 0V N/A 10 s m 1.5 s m 10 s m 1.5 s m N/A HI-8570, HI-8571 August 2013 SLP1.5 TX0IN TX1IN GND V- TXAOUT TXBOUT V+ 1 2 3 45 6 7 8 ARINC 429 +/- 5V Supply Line Driver DESCRIPTION • Direct ARINC 429 line driver interface in a small package • On-chip line driver slope control and selection by logic input • Low current 5 volt supplies • CMOS / TTL logic pins • Plastic and ceramic package options - surface mount and DIP • Thermally enhanced SOIC packages • Extended Temperature and Burn-in available FEATURES PIN CONFIGURATION SUPPLY VOLTAGES FUNCTION TABLE The HI-8570 and HI-8571 are CMOS integrated circuits designed to directly drive the ARINC 429 bus in an 8-pin package. Two logic inputs control a differential voltage between the output pins producing a +10 volt One, a -10 volt Zero, and a 0 volt Null. A logic input is provided to control the slope of the differential output signal. Timing is set by an on-chip resistor and capacitor and tested to be within ARINC requirements. The HI-8570 has 37.5 ohms in series with each line driver output. The HI-8571 provides the option to bypass part of the output resistance so external resistance may be added for lightning protection circuits. The HI-8570 or the HI-8571 along with the HI-8588 line receiver offer the smallest options available to get on and off theARINC 429 bus. PIN DESCRIPTION TABLE V+ = +5V V- = -5V HOLT INTEGRATED CIRCUITS www.holtic.com |
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