HI-8590
January 2001
ARINC 429 LINE DRIVER AND LINE RECEIVER
PIN CONFIGURATION
DESCRIPTION
The HI-8590 is a CMOS integrated circuit with independ-
ent ARINC 429 line driver and line receiver in a single
16 pin package. Both ARINC 429 functions are imple-
mented in analog/digital CMOS.
The line driver function in the HI-8590 connects directly to
the ARINC bus and translates CMOS/TTL input levels to
ARINC 429 specified amplitudes using built-in zeners.
The slope of the differential output signal is controlled by a
single logic input without the use of any external capaci-
tors. A internal 37.5 ohm resistor is provided in series with
each line driver output. The line driver function is the
same as Holt's 8 pin stand-alone HI-8585 line driver.
The line receiver interfaces directly to the ARINC 429 bus
and translates incoming ARINC levels to levels compati-
ble with CMOS logic. Internal comparator levels are set
just below the standard 6.5 volt minimum data threshold
and just above the standard 2.5 volt maximum null thresh-
old
The TESTA and TESTB inputs of the line receiver allow
bypassing the analog input circuitry for testing purposes.
Also, if both test inputs are taken high, the receiver's digital
outputs are tri-stated allowing wire-or possibilities. The
line driver function is the same as Holt's 8 pin stand-alone
HI-8588 line receiver.
V+ 1
TESTB
2
16 VCC
15 SLP1.5
14 TESTA
13 RINB
12 RINA
11 TX0IN
10 TX1IN
9
GND
ROUTB 3
ROUTA 4
TXBOUT
5
TXAOUT 6
N/C 7
V- 8
SUPPLY VOLTAGES
Vcc = +5V ± 5%
V+ = 12V to 15V
V- = -12V to -15V
PIN DESCRIPTION TABLE
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FEATURES
SYMBOL
V+
TESTB
ROUTB
ROUTA
TXBOUT
TXAOUT
N/C
V-
GND
TX1IN
TX0IN
RINA
RINB
TESTA
SLP1.5
VCC
FUNCTION
POWER
LOGIC INPUT
LOGIC OUTPUT
LOGIC OUTPUT
ARINC OUTPUT
ARINC OUTPUT
NO CONNECT
POWER
POWER
LOGIC INPUT
LOGIC INPUT
ARINC INPUT
ARINC INPUT
LOGIC INPUT
LOGIC INPUT
POWER
DESCRIPTION
+12 TO + 15 VOLTS
CMOS
RECEIVER CMOS OUTPUT B
RECEIVER CMOS OUTPUT A
LINE DRIVER TERMINAL B
LINE DRIVER TERMINAL A
!
!
!
!
!
!
Direct ARINC 429 interface to line driver
and line receiver
Both functions in a single 16 pin package
Line Driver
!
Internal zener sets output levels
!
Digital output slope control
!
CMOS/TTL logic pins
Line Receiver
!
Input hystersis at least 2 volts
!
Test inputs bypass analog inputs
!
Output tri-state mode
Plastic thermally enhanced surface
mount (ESOIC) package
Mil-temperature range available
-12 TO -15 VOLTS
GROUND
CMOS OR TTL
CMOS OR TTL
RECEIVER A INPUT
RECEIVER B INPUT
CMOS
CMOS OR TTL, V+ IS OK
+5 VOLT SUPPLY
(DS8590 Rev. B)
HOLT INTEGRATED CIRCUITS
1
01/01
HOLTIC [ HOLT INTEGRATED CIRCUITS ]
