HI-1579, HI-1581
ORDERING INFORMATION
HI - 15xx xx x x (Plastic)
PART
NUMBER
Blank
F
PART
NUMBER
I
T
M
PART
NUMBER
PC
PS
PART
NUMBER
1579
1581
LEAD
FINISH
Tin / Lead (Sn / Pb) Solder
100% Matte Tin (Pb-free RoHS compliant)
TEMPERATURE
RANGE
-40°C TO +85°C
-55°C TO +125°C
-55°C TO +125°C
PACKAGE
DESCRIPTION
44 PIN PLASTIC CHIP-SCALE PACKAGE QFN (44PCS)
20 PIN PLASTIC ESOIC, Thermally Enhanced Wide SOIC w/Heat Sink (20HWE)
RXENA = 0
RXA
RXA
0
1
0
1
RXENB = 0
RXB
RXB
0
1
0
1
FLOW
I
T
M
BURN
IN
No
No
Yes
HI - 15xxCD x (Ceramic)
PART
NUMBER
I
T
M
PART
NUMBER
1579
1581
TEMPERATURE
RANGE
-40°C TO +85°C
-55°C TO +125°C
-55°C TO +125°C
RXENA = 0
RXA
RXA
0
1
0
1
FLOW
I
T
M
BURN
IN
No
No
Yes
LEAD
FINISH
Gold (Pb-free, RoHS compliant)
Gold (Pb-free, RoHS compliant)
Tin / Lead (Sn / Pb) Solder
RXENB = 0
RXB
RXB
0
1
0
1
PACKAGE
DESCRIPTION
20 PIN CERAMIC SIDE BRAZED DIP (20C)
20 PIN CERAMIC SIDE BRAZED DIP (20C)
RECOMMENDED TRANSFORMERS
The HI-1579 and HI-1581 transceivers have been
characterized for compliance with the electrical require-
ments of MIL-STD-1553 when used with the following
MANUFACTURER
Premier Magnetics
Technotrol
Premier Magnetics
Technotrol
PART NUMBER
PM-DB2725EX
TL1553-45
PM-DB2702
TQ-1553-2
transformers. Holt recommends the Premier Magnetics
parts as offering the best combination of electrical
performance, low cost and small footprint.
TURNS RATIO(S)
Dual tapped 1:1.79, 1:2.5
Dual tapped 1:1.79, 1:2.5
1:1.4
1:1.4
DIMENSIONS
.500 x .500 x .375 inches
.630 x 630 x .155 inches
.625 x .500 x .250 inches
.625 x .625 x .250 inches
APPLICATION
Isolation
Isolation
Stub coupling
Stub coupling
HOLT INTEGRATED CIRCUITS
7
HOLTIC [ HOLT INTEGRATED CIRCUITS ]
