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DEI1075 Datasheet

(DEI1073 - DEI1075) Arinc 429 Line Driver

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Device
Engineering
Incorporated
385 East Alamo Drive
Chandler, AZ 85225
Phone: (480) 303-0822
Fax: (480) 303-0824
E-mail: admin@deiaz.com
DEI1073, DEI1074, DEI1075
ARINC 429 LINE DRIVER WITH RATE
SELECT AND TRI-STATE
FEATURES
TTL/CMOS TO ARINC 429 Line Driver.
Rate control input set Hi (100KBS) or Lo (12.5KBS) speed slew rates.
Operates from ±9.5V to ±16.5V power supply.
Drives full ARINC load.
Output resistor options: 0, 10 or 37.5 Ohms.
Tristate Outputs
Thermally enhanced 8 lead SOIC package.
Outputs Short Circuit Tolerant
GENERAL DESCRIPTION
The DEI1073 family of 8 pin BiCMOS integrated circuits are line drivers designed to directly drive the ARINC 429 avionics
serial digital data bus. The device converts TTL/CMOS serial input data to the tri-level RZ bipolar differential modulation
format of the ARINC bus. The outputs are tri-state capable. A TTL/CMOS control input selects the output slew rate for HI
(100KBS) and LOW (12.5KBS) speed operation. No external timing capacitors are required.
The DEI1073 has internal 37.5 Ohm output resistors, the DEI1074 has 10 Ohm resistors, and the DEI1075 has none. The 10
and 0 Ohm options require external series resistors which are typically used to implement a transient voltage protection
network.
HI/LO 1
TTLIN0 2
TTLIN1 3
GND 4
8 V+
7 429OUTB
6 429OUTA
5 V-
Note:
Heatsink pad is electrically Isolated.
Table 1 PIN DESCRIPTION
PIN NAME
DESCRIPTION
1
HI/LO
LOGIC INPUT. Slew rate control. 1 = Hi speed. 0
= Low speed.
2
TTLIN0
LOGIC INPUT. Serial digital data input 0.
3
TTLIN1
LOGIC INPUT. Serial digital data input 1.
4
GND
POWER INPUT. Ground.
5 V- POWER INPUT. –9.5 to –16.5 VDC
6
429OUTA
429 OUTPUT. ARINC 429 format serial digital data
output A.
7
429OUTB
429 OUTPUT. ARINC 429 format serial digital data
output B.
8 V+ POWER INPUT. +9.5 to +16.5 VDC.
©2004 Device Engineering Inc
Page 1 of 8
DS-MW-01073-01 Rev C
05/31/2005



Device Engineering
Device Engineering

DEI1075 Datasheet Preview

DEI1075 Datasheet

(DEI1073 - DEI1075) Arinc 429 Line Driver

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DEI1075 pdf
www.DataSheet4U.com
FUNCTIONAL DESCRIPTION
HI/LO
TTLIN1
TTLIN0
INPUT LOGIC
and
LEVEL SHIFT
EDGE
SHAPING
OUTPUT
DRIVERS
TRI-STATE
Block Diagram
429OUTA
429OUTB
TTLIN1
0
0
1
1
Table 2 Speed Control Function Table
HI/LO
0
1
OUTPUT TRANSITION TIME
10uS (12.5 KBS data)
1.5uS (100KBS data)
TTLIN0
0
1
0
1
Table 3 Transmit Data Function Table
429OUTA
0V
-5V
5V
Hi-Z
429OUTB
0V
5V
-5V
Hi-Z
NOTES
Null output
Zero output
One output
Tri-State output
TTLIN1
TTLIN0
+5
429OUTA
50%
-5
+5
429OUTB
-5
Tskew
50%
+10
Differential
429OUT
(A-B)
-5
90%
10%
Trise
Tfall
10%
Tfall
90%
LINE DRIVER WAVEFORMS
Trise
©2004 Device Engineering Inc
Page 2 of 8
DS-MW-01073-01 Rev C
05/31/2005


Part Number DEI1075
Description (DEI1073 - DEI1075) Arinc 429 Line Driver
Maker Device Engineering
Total Page 8 Pages
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DEI1075 pdf
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