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HI-8570 fiches techniques PDF

Holt Integrated Circuits - (HI-8570 / HI-8571) ARINC 429 LINE DRIVER

Numéro de référence HI-8570
Description (HI-8570 / HI-8571) ARINC 429 LINE DRIVER
Fabricant Holt Integrated Circuits 
Logo Holt Integrated Circuits 





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HI-8570 fiche technique
August 2006
HI-8570, HI-8571
+/- 5V Supply, ARINC 429 LINE DRIVER
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
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
! Plastic and ceramic package options -
surface mount and DIP
! Thermally enhanced SOIC packages
! Mil processing available
PIN CONFIGURATION
SLP1.5 1
TX0IN 2
TX1IN 3
GND 4
8 V+
7 TXBOUT
6 TXAOUT
5 V-
SUPPLY VOLTAGES
V+ = +5V
V- = -5V
FUNCTION TABLE
TX1IN TX0IN SLP1.5
00
X
01
0
01
1
10
0
10
1
11
X
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
PIN DESCRIPTION TABLE
PIN SYMBOL
1 SLP 1.5
2 TX0IN
3 TX1IN
4 GND
5 V-
6 TXAOUT
7 TXBOUT
8 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
(DS8570 Rev. B)
HOLT INTEGRATED CIRCUITS
www.holtic.com
08/06

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