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Aeroflex Circuit Technology
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MT34013 Datasheet Preview

MT34013 Datasheet

EIGHT CHANNEL ARINC DECODER

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MT34013 pdf
MT34013
EIGHT CHANNEL ARINC DECODER
8/16 bit parallel interface
3 channels programmable to HIGH/LOW
speed data
Single 5V supply with low power
consumption < 50mW
Full MIL operating range
Programmable test I/P to all channels
Built in parity and word length error
detection
VLSI COMPONENTS FOR ARINC 429 DATA TRANSMISSION SYSTEMS
1



Aeroflex Circuit Technology
Aeroflex Circuit Technology

MT34013 Datasheet Preview

MT34013 Datasheet

EIGHT CHANNEL ARINC DECODER

No Preview Available !

MT34013 pdf
MT34013
MAXIMUM RATINGS (Above which the useful life may be impaired)
Storage Temperature
Temperature (Ambient) under Bias
Supply Voltage VDD
DC Input Voltage
Output Current (Single O/P)
Output Current (Total O/P)
- 65ºC to +150ºC
- 55ºC to +125ºC
-0.3V to + 7V
-0.3 to VDD +0.3V
10mA
20mA
ELECTRICAL CHARACTERISTICS over operating range
PARAMETER
IOH
IOL
VIH
VIL
IIL
IOZ
CI
CI/O
ICC
DESCRIPTION
Output High Current
Output Low Current
Input High Voltage
Input Low Voltage
Input Load Current
Output Leakage Current
Input Capacitance
I/O Capacitance
Supply Current
TEST CONDITIONS
VOH=2.8V VDD= 4.5V
VOL=0.4V
VSS
0.4V<VO<VCC Output Disabled
Test Frequency = 1.0 MHZ
MIN
1.0
3.2
2.4
-0.3
-40
VCC = MAX. All inputs
HIGH, All inputs open.
TYP
2
7
MAX
VCC
0.8
40
40
2.6
9
10
UNITS
mA
mA
Volts
Volts
uA
uA
pF
pF
mA
ARINC 429 SERIAL INPUT INTERFACE
Interfaces are provided for 8 independent Arinc 429 serial input channels with sufficient digital storage to guarantee
no data is lost provided all 8 channels can be accessed within 230µS.
Channels 0,1 & 2 can be programmed for either high or low speed operation. Channels 3 to 7 are configured for
interfacing to low speed Arinc buses only.
Digital Filtering is incorporated on each decoder input port to prevent word corruption due to noise spikes. (The
duration of reject noise spikes is a function of the basic clock period).
Arinc have suggested that the number of labels available to the user can be increased by either using SDI bits 9 and 10
as extra label bits or by using port identification. Both of these techniques have been accommodated in the design.
DATA DETECTION AND WORD TESTS
Each channel is provided with a 32 bit shift register to hold one complete word. The three channels which are
selectable for either high or low speed operation are additionally provided with a 32 bit buffer register.
Each channel contains hardware to test the following parameters:-
(1) Word length of 32 bits.
(2) Parity:- odd on good words.
(3) Gap:- the presence of a 33rd bit is checked for and the output processing is achieved during the remaining
gap for a valid word.
(4) Interconnection fault (both I/P’s high).
VLSI COMPONENTS FOR ARINC 429 DATA TRANSMISSION SYSTEMS
2


Part Number MT34013
Description EIGHT CHANNEL ARINC DECODER
Maker Aeroflex Circuit Technology
Total Page 8 Pages
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