HI-1573, HI-1574
June 2013
MIL-STD-1553
3.3V Monolithic Dual Transceivers
PIN CONFIGURATIONS
44 N/C
43 BUSA
42 BUSA
41 BUSA
40 BUSA
39 VDDA
38 VDDA
37 TXA
36 TXA
35 N/C
34 N/C
N/C 1
RXENA 2
GNDA 3
GNDA 4
GNDA 5
VDDB 6
VDDB 7
BUSB 8
BUSB 9
BUSB 10
BUSB 11
DESCRIPTION
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.
1573PCI
1573PCT
1573PCM
1574PCI
1574PCT
1574PCM
N/C 12
N/C 13
N/C 14
N/C 15
RXENB 16
GNDB 17
GNDB 18
GNDB 19
RXB 20
RXB 21
N/C 22
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
20
19
18
17
16
15
14
13
12
11
TXA
TXA
TXINHA
RXA
RXA
TXB
TXB
TXINHB
RXB
RXB
1573PSI
1573PST
1573PSM
1574PSI
1574PST
1574PSM
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)
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
20 TXA
19 TXA
!
Less than 0.5W maximum power dissipation
!
Available in DIP and small outline (ESOIC)
package options
1573CDI
1573CDT
1573CDM
1574CDI
1574CDT
1574CDM
18 TXINHA
17 RXA
16 RXA
15 TXB
14 TXB
13 TXINHB
12 RXB
11 RXB
!
Industrial and extended temperature ranges
!
Industry standard pin configurations
(DS1573 Rev. Q)
20 Pin Ceramic DIP package
HOLT INTEGRATED CIRCUITS
www.holtic.com
06/13
HOLTIC [ HOLT INTEGRATED CIRCUITS ]
