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Device Engineering

DEI1045 Datasheet Preview

DEI1045 Datasheet

QUAD ARINC 429 LINE RECEIVER

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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
DEI1044, DEI1045
QUAD ARINC 429
LINE RECEIVER
Features:
Converts ARINC 429 levels to TTL/CMOS digital data.
Meets requirements of ARINC 429 digital information transfer system standards.
Inputs internally protected to Lightning requirements of DO-160D level A3.
Operates at data rates beyond ARINC 429 specifications to 5MHz.
5 Volt or 3.3 Volt operation.
20L 4.4mm TSSOP Package.
One-half volt receiver hysteresis.
Operates within ±5 volts common mode input voltage range.
BiCMOS process
DEI1044 has TTL/CMOS test inputs
Functional Description:
The DEI1044 and DEI1045 are quad ARINC 429 Line Receiver ICs implemented in BICMOS technology. They contain four
differential line receivers. Each receiver channel translates incoming ARINC 429 data bus signals to a pair of TTL/CMOS outputs.
Each receiver operates independently, is lightning protected, and meets all requirements of the ARINC 429 Digital Information
Transfer Standard.
The DEI1044 IC includes two TEST inputs for built in system test. They force the outputs of all receivers to the specified ZERO,
ONE or NULL state. The ARINC inputs are ignored when the device is in test mode. The DEI1045 does not have TEST inputs.
The DEI1044/1045 Quad Line Receiver can be used in conjunction with Device Engineering’s family of avionics products in
interfacing the ARINC 429 data bus.
INNA
INNB
RESISTOR
NETWORK
AND
LIGHTNING
PROTECTION
OUTPUT
AND
TEST
LOGIC
TESTA*
TESTB*
LIGHTNING
PROTECTION
COMPARATORS
TO OTHER
CHANNELS
Notes:
1) One of four identical channels shown (N = 1 to 4)
2) * TEST inputs are No Connect on DEI1045
Figure 1: Function Diagram
OUTNA
OUTNB
Table 1 Function Table
TEST
A
L
TEST
B
L
LL
LL
LH
INNA -
INNB
ONE
+10V
ZERO
-10V
NULL
0V
X
OUTN
A
H
L
L
L
OUTN
B
L
H
L
H
HL X H L
HH
X
L
L
Test Inputs are internally set to L on DEI1045
© 2010 Device Engineering Incorporated
Page 1 of 6
DS-MW-01044-02 Rev. F
11/12/10




Device Engineering

DEI1045 Datasheet Preview

DEI1045 Datasheet

QUAD ARINC 429 LINE RECEIVER

No Preview Available !

Pinout
Figure 2: 20L TSSOP Pinout
Note: * Pins 5 and 6 are “No Connect”
on DEI1045
IN1 A 1
IN1 B 2
IN2 A 3
IN2 B 4
TESTA * 5
TESTB * 6
IN3 A 7
IN3 B 8
IN4 A 9
IN4 B 10
20 OUT1 A
19 OUT1 B
18 OUT2 A
17 OUT2 B
16 VDD
15 GND
14 OUT3 A
13 OUT3 B
12 OUT4 A
11 OUT4 B
Electrical Characteristics
Table 2: Absolute Maximum Ratings
PARAMETER
Supply Voltage (VDD)
Storage Temperature
Input Voltage (ARINC Inputs) DC conditions.
Input Voltage (Test Inputs)
Power Dissipation @ 85 °C
Peak Body Temperature,
- G Package
Lightning Protection (ARINC 429 Channel Inputs and TESTA/TESTB Inputs)
Waveform 3
(2)
Waveform 4 and 5
(2)
MIN
-0.3
-65
-30
VSS – 0.3
-600
-300
MAX
7.0
+150
+30
VCC+0.3
350
260
+600
+300
UNITS
V
°C
V
V
mW
°C
V
V
NOTES:
1. Stresses above these limits can cause permanent damage.
2. Per DO160D, Sect 22 Level 3A. See Figures 7-9.
3. The DEI1044 contains circuitry to protect inputs against damage due to high voltage static discharge. It has been
characterized per JEDEC A114-A Human Body Model to Level 1 (1KV io immunity). Observe precautions for
handling and storing Electrostatic Sensitive Devices.
Table 3: Recommended Operating Conditions
PARAMETER
SYMBOL
CONDITIONS
Supply Voltage
VDD
+5V ± 10%
+3.3V ± 10%
Logic Input Levels (DEI1044)
VTESTA,B
0 to Vcc
Operating Temperature
-TMS
Top
-55 to +85°C
-55 to +125°C
© 2010 Device Engineering Incorporated
Page 2 of 6
DS-MW-01044-02 Rev. F
11/12/10


Part Number DEI1045
Description QUAD ARINC 429 LINE RECEIVER
Maker Device Engineering
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