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HI-8570

Holt Integrated Circuits
Part Number HI-8570
Manufacturer Holt Integrated Circuits
Description (HI-8570 / HI-8571) ARINC 429 LINE DRIVER
Published Jun 11, 2007
Detailed Description HI-8570, HI-8571 August 2006 +/- 5V Supply, ARINC 429 LINE DRIVER PIN CONFIGURATION SLP1.5 1 TX0IN 2 TX1IN 3 GND 4 DES...
Datasheet PDF File HI-8570 PDF File

HI-8570
HI-8570

Overview
HI-8570, HI-8571 August 2006 +/- 5V Supply, ARINC 429 LINE DRIVER PIN CONFIGURATION SLP1.
5 1 TX0IN 2 TX1IN 3 GND 4 DESCRIPTION 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.
www.
DataSheet4U.
com 8 V+ 7 TXBOUT 6 TXAOUT 5 V- SUPPLY VOLTAGES V+ = +5V V- = -5V FUNCTION TABLE TX1IN TX0IN SLP1.
5 TXAOUT 0V -5V -5V 5V 5V 0V TXBOUT 0V 5V 5V -5V -5V 0V SLOPE N/A 10ms 1.
5ms 10ms 1.
5ms N/A 0 0 0 0 1 1 0 0 1 X 0 1 0 1 X FEATURES ! ! ! ! ! ! ! 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 1 1 1 PIN DESCRIPTION TABLE PIN SYMBOL SLP 1.
5 TX0IN TX1IN GND VTXAOUT TXBOUT V+ FUNCTION LOGIC INPUT LOGIC INPUT LOGIC INPUT POWER POWER OUTPUT OUTPUT POWER DESCRIPTION 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 1 2 3 Plastic and ceramic package options surface mount and DIP Thermally enhanced SOIC packages Mil processing available 4 5 6 7 8 (DS8570 Rev.
B) HOLT INTEGRATED CIRCUITS www.
holtic.
com 08/06 HI-8570, HI-8571 FUNCTIONAL DESCRIPTION Figure 1 is a block diagram of the line driver.
The +5V and -5V levels are generated from the supply voltages.
Currents for slope...


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