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HI-2581 Datasheet Preview

HI-2581 Datasheet

3.3V MIL-STD-1553/1760 Dual Transceiver

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July, 2016
HI-2579, HI-2581
3.3V MIL-STD-1553/1760 Dual Transceiver
with Low Profile Integrated Transformers
GENERAL DESCRIPTION
The HI-2579 / HI-2581 are low power CMOS dual
transceivers with integrated transformers designed
to meet the requirements of the MIL-STD-1553 /
MIL-STD-1760 specifications. The dual transceivers
with integrated transformers provide a low profile single
part solution for interfacing a protocol IC or FPGA to a
dual redundant MIL-STD-1553 bus.
The transmitter section of each bus takes complementary
CMOS / TTL Manchester II bi-phase data and converts it
to differential voltages suitable for driving the integrated
isolation transformer. Separate transmitter inhibit control
signals are provided for each transmitter.
The receiver section of the each bus converts the 1553
bus differential data to complementary CMOS / TTL data
suitable for inputting to a Manchester decoder. Each
receiver has a separate enable input which can be used
to force both receiver outputs to logic “0” (HI-2579) or
logic 1 (HI-2581).
The family of parts are available in Industrial -40oC to
+85oC, or Extended, -55oC to +125oC temperature
ranges.
FEATURES
• Dual-redundant MIL-STD-1553 transceivers with
integrated transformers
• Small footprint and low profile package
• Compliant to MIL-STD-1553A and B,
MIL-STD-1760, ARINC 708A
• 3.3V single supply operation
• Less than 1.0W maximum power dissipation
• Industrial and extended temperature ranges
PIN CONFIGURATION (TOP)
BUSA - 1
BUSA - 2
TXA - 3
TXA - 4
VDDA - 5
RXENA - 6
GNDA - 7
VDDB - 8
RXENB - 9
GNDB - 10
DNC - 11
DNC - 12
HI-2579CGIF
HI-2579CGTF
HI-2581CGIF
HI-2581CGTF
24 - DNC
23 - DNC
22 - TXINHA
21 - RXA
20 - RXA
19 - TXB
18 - TXB
17 - TXINHB
16 - RXB
15 - RXB
14 - BUSB
13 - BUSB
DNC = Do Not Connect
DS2579 Rev. E
HOLT INTEGRATED CIRCUITS
www.holtic.com
1
07/16




HOLTIC

HI-2581 Datasheet Preview

HI-2581 Datasheet

3.3V MIL-STD-1553/1760 Dual Transceiver

No Preview Available !

BLOCK DIAGRAM
HI-2579, HI-2581
VDD
TXA/B
TXA/B
TXINHA/B
RXA/B
RXA/B
RXENA/B
Transmit
Logic
Slope
Control
Receive
Logic
Comparator
Input
Filter
Each Bus
Isolation
Transformer
BUSA/B
Not Used
Not Used
BUSA/B
TXA/B
TXA/B
BUSA/B - BUSA/B
GND
Figure 1.  Block Diagram
Vin
(Line to Line)
RXA/B (HI-2579)
RXA/B (HI-2579)
RXA/B (HI-2581)
RXA/B (HI-2581)
tDR
tDR
tRG
tDR
tRG
tRG tRG
Figure 2.  Example Waveforms
HOLT INTEGRATED CIRCUITS
2
tDR


Part Number HI-2581
Description 3.3V MIL-STD-1553/1760 Dual Transceiver
Maker HOLTIC
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HI-2581 Datasheet PDF






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