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HI-8683

Description
arinc interface device arinc 429& 561 serial data TO 8-bit parallel data
File Size171KB,10 Pages
ManufacturerHolt Integrated Circuits
Websitehttp://www.holtic.com/
Download Datasheet View All

HI-8683 Overview

arinc interface device arinc 429& 561 serial data TO 8-bit parallel data

HI-8683, HI-8684
January 2001
ARINC INTERFACE DEVICE
ARINC 429 & 561 Serial Data to 8-Bit Parallel Data
PIN CONFIGURATIONS
(Top View)
DESCRIPTION
The HI-8683 and HI-8684 are system components for
interfacing incoming ARINC 429 signals to 8-bit parallel
data using proven +5V analog/digital CMOS technology.
The HI-8683 is a digital device that requires an external
analog line receiver such as the HI-8482 or HI-8588
between the ARINC bus and the device inputs. The HI-8684
incorporates the digital logic and analog line receiver
circuitry in a single device.
The HI-8683 is also available as a second source to the
DLS-112 with the original 18 pin DIP and 28 pin PLCC
package pinouts.
The receivers on the HI-8684 connect directly to the ARINC
429 Bus and translate the incoming signals to normal CMOS
levels. 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 threshold. The -10 version
of the HI-8684 allows the incorporation of an external 10K
resistance in series with each ARINC input for lightning
protection without affecting ARINC level detection.
Both products offer high speed 8-bit parallel bus interface, a
32-bit buffer, and error detection for word length and parity.
A reset pin is also provided for power-on initialization.
DATARDY
D7
D6
D5
D4
D3
D2
D1
D0
1
2
3
4
5
6
7
8
9
18
17
16
15
Vcc
GAPCLK
RESET
INB
INA
ERROR
PARITY ENB
READ
GND
HI-8683PSI
HI-8683PST
14
13
12
11
10
HI-8683
18-Pin Plastic SOIC - WB Package
Vcc
1
2
3
4
5
6
7
8
9
10
20
19
18
GAPCLK
TESTA
TESTB
RESET
RINB (-10)
RINA (-10)
ERROR
PARITY ENB
READ
GND
FEATURES
!
Automatic conversion of serial ARINC 429, 575 &
561 data to 8-bit parallel data
DATARDY
D7
D6
D5
D4
D3
D2
D1
D0
!
High speed parallel 8-bit data bus
!
Error detection - word length and parity
!
Reset input for power-on initialization
!
On-chip line receiver option (HI-8684)
!
Input hysteresis of at least 2 volts (HI-8684)
!
Test inputs bypass analog inputs (HI-8684)
!
Simplified lightning protection with the ability to add
10 Kohm external series resistors (HI-8684-10)
PLCC and DIP
HI-8684PSI
HI-8684PST
&
HI-8684PSI-10
HI-8684PST-10
17
16
15
14
13
12
11
HI-8684
20-Pin Plastic SOIC - WB Package
(See page 8 for additional pin configurations)
!
Plastic package options - surface mount (SOIC),
!
Military processing available
HOLT INTEGRATED CIRCUITS
1
(DS8683 Rev. D)
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