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HI-1573 Schematic ( PDF Datasheet ) - Holt Integrated Circuits

Teilenummer HI-1573
Beschreibung (HI-1573 / HI-1574) 3.3V Monolithic Dual Transceivers
Hersteller Holt Integrated Circuits
Logo Holt Integrated Circuits Logo 




Gesamt 11 Seiten
HI-1573 Datasheet, Funktion
April 2015
HI-1573, HI-1574
MIL-STD-1553
3.3V Monolithic Dual Transceivers
DESCRIPTION
PIN CONFIGURATIONS
The HI-1573 and HI-1574 are low power CMOS dual
transceivers designed to meet the requirements of the
MIL-STD-1553 specification.
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 bus isolation
transformer. Separate transmitter inhibit control signals
are provided for each transmitter.
The receiver section of the each bus converts the 1553 bus
bi-phase differential data to complementary CMOS / TTL
data suitable for input to a Manchester decoder. Each
receiver has a separate enable input, which forces the
receiver outputs to logic "0" (HI-1573) or logic “1” (HI-
1574).
To minimize the package size for this function, the
transmitter outputs are internally connected to the receiver
inputs, so that only two pins are required for connection to
each coupling transformer. For designs requiring
independent access to transmitter and receiver 1553
signals, please contact your Holt Sales representative.
FEATURES
! Compliant to MIL-STD-1553A and B,
ARINC 708A
! 3.3V single supply operation
! Smallest footprint available in 7 mm x 7 mm
44- pin plastic chip-scale package (QFN)
! Less than 0.5W maximum power dissipation
! Available in DIP and small outline (ESOIC)
package options
! Industrial and extended temperature ranges
! Industry standard pin configurations
N/C 1
RXENA 2
GNDA 3
GNDA 4
GNDA 5
VDDB 6
VDDB 7
BUSB 8
BUSB 9
BUSB 10
BUSB 11
1573PCI
1573PCT
1573PCM
1574PCI
1574PCT
1574PCM
33 N/C
32 N/C
31 TXINHA
30 RXA
29 RXA
28 N/C
27 N/C
26 TXB
25 TXB
24 TXINHB
23 N/C
44 Pin Plastic 7mm x 7mm
Chip-scale package (QFN)
VDDA 1
BUSA 2
BUSA 3
RXENA 4
GNDA 5
VDDB 6
BUSB 7
BUSB 8
RXENB 9
GNDB 10
1573PSI
1573PST
1573PSM
1574PSI
1574PST
1574PSM
20 TXA
19 TXA
18 TXINHA
17 RXA
16 RXA
15 TXB
14 TXB
13 TXINHB
12 RXB
11 RXB
20 Pin Plastic ESOIC - WB package
VDDA 1
BUSA 2
BUSA 3
RXENA 4
GNDA 5
VDDB 6
BUSB 7
BUSB 8
RXENB 9
GNDB 10
1573CDI
1573CDT
1573CDM
1574CDI
1574CDT
1574CDM
20 TXA
19 TXA
18 TXINHA
17 RXA
16 RXA
15 TXB
14 TXB
13 TXINHB
12 RXB
11 RXB
20 Pin Ceramic DIP package
(DS1573 Rev. S)
HOLT INTEGRATED CIRCUITS
www.holtic.com
04/15






HI-1573 Datasheet, Funktion
HI-1573, HI-1574
VDD Each Bus
TXA/B
TXA/B
RXA/B
RXA/B
Isolation
Transformer
MIL-STD-1553
Transceiver
HI-1573 / HI-1574
1:2.5
55W BUS A/B
35W
55W BUS A/B
GND
Figure 3. Direct Coupled Test Circuit
VDD Each Bus
Point
“AD”
TXA/B
TXA/B
RXA/B
RXA/B
MIL-STD-1553
Transceiver
HI-1573 / HI-1574
Isolation
Transformer BUS A/B
1:1.79
BUS A/B
70W
GND
Figure 4. Transformer Coupled Test Circuit
Point
“AT”
HEAT SINK - ESOIC & CHIP-SCALE The heat sink is electrically isolated and may be soldered to
PACKAGE
any convenient power or ground plane.
Both the HI-1573PSI/T/M and HI-1574PSI/T/M use a 20-pin APPLICATIONS NOTE
thermally enhanced SOIC package. The HI-1573PCI/T/M
and HI-1574PCI/T/M use a plastic chip-scale package Holt Applications Note AN-500 provides circuit design notes
(QFN). These packages include a metal heat sink located regarding the use of Holt's family of MIL-STD-1553
on the bottom surface of the device. This heat sink should transceivers. Layout considerations, as well as
be soldered down to the printed circuit board for optimum recommended interface and protection components are
thermal dissipation.
included.
THERMAL CHARACTERISTICS
PART NUMBER PACKAGE STYLE CONDITION
HI-1573PSI / T / M 20-pin Thermally
enhanced plastic SOIC
HI-1574PSI / T / M
(ESOIC)
HI-1573CDI / T / M
HI-1574CDI / T / M
HI-1573PCI / T / M
HI-1574PCI / T / M
20-pin Ceramic
side-brazed DIP
44-pin Plastic chip-
scale package (QFN)
Heat sink
unsoldered
Heat sink
soldered
Socketed
Heat sink
unsoldered
JUNCTION TEMPERATURE
ØJA
TA=25°C TA=85°C TA=125°C
54°C/W 52°C 112°C 152°C
47°C/W 49°C 109°C 149°C
62°C/W 56°C 116°C 156°C
49°C/W 50°C 110°C 150°C
Data taken at VDD=3.3V, continuous transmission at 1Mbit/s, single transmitter enabled.
HOLT INTEGRATED CIRCUITS
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