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Part Number: HI-8282
Description: The HI-8282 is a silicon gate CMOS device for interfacing the ARINC429 serial data bus to a 16-bit parallel data bus. T...
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HI-8282
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DataSheet
General Description
HI-8282 General Description
The HI-8282 is a silicon gate CMOS device for interfacing the ARINC429 serial data bus to a 16-bit parallel data bus. Two receivers and an independent transmitter are provided. The receiver input circuitry and logic are designed to meet the ARINC429 specifications for loading, level detection, timing, and protocol. The transmitter section provides the ARINC 429 communication protocol.
Additional interface circuitry such as the Holt HI-8382 is required to translate the 5 volt logic outputs to ARINC 429 drivelevels.
The 16-bit parallel data bus exchanges the 32-bit ARINC data word in tw o steps when either loading the transmitter or interrogating the receivers. The data bus interfaces with CMOSandTTL.
Timing of all the circuitry begins with the master clock input, CLK. For ARINC 429 applications, the master clock frequency is1MHz.
Each independent receiver monitors the data streamwith a sampling rate 10 times the data rate. The sampling rate is software selectable at either 1MHz or 125KHz. The results of a parity check are available as the 32nd ARINCbit. The HI-8282 examines the null and data timings and will reject erroneous patterns. For example, with a 125 KHz clock se lection, the data frequency must be between 10.4 KHz and15.6KHz.
HI-8282 Maximum Ratings
Supply Voltage Vcc . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +7V
Voltage at pins 2, 3, 4 &5 . . . . . . . . . . . . . . . . . . . . . . -29V to +29V
Voltage at any other pin . . . . . . . . . . . . . . . . . . . .-0.3V to Vcc +0.3V
DC Current Drain per input pin . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Temperature Range: (Industrial) . . . . . -40°C to +85°C
Operating Temperature Range: (Military) . . . . . . . -55°C to +125°C
Storage Temperature Range: . . . . . . . . . . . . . . . .-65°C to +150°C
Voltage at pins 2, 3, 4 &5 . . . . . . . . . . . . . . . . . . . . . . -29V to +29V
Voltage at any other pin . . . . . . . . . . . . . . . . . . . .-0.3V to Vcc +0.3V
DC Current Drain per input pin . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Operating Temperature Range: (Industrial) . . . . . -40°C to +85°C
Operating Temperature Range: (Military) . . . . . . . -55°C to +125°C
Storage Temperature Range: . . . . . . . . . . . . . . . .-65°C to +150°C
HI-8282 Features
·ARINC specification 429 compatible
·16-Bit parallel data bus
·Direct receiver interface to ARINC bus
·Timing control 10 times the data rate
·Selectable data clocks
·Receiver error rejection per ARINC specification 429
·Automatic transmitter data timing
·Self test mode
·Parity functions
·Low power, single 5 volt supply
·Industrial & full military temperature ranges
·DESC SMD part number
HI-8282 Typical Application
·Avionics data communication
·Serial to parallel conversion
·Parallel to serial conversion
·Serial to parallel conversion
·Parallel to serial conversion
HI-8282 Connection Diagram
HI-8282
PDF/DataSheet Download
- Datasheet: HI-8282
- File Size: 459677 KB
- Manufacturer: HOLTIC [Holt Integrated Circuits]
- Click here to Download
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