BUS-63127 DDC, BUS-63127 Datasheet - Page 2

• Manufacturer Part Number: BUS-63127
• Description: MIL-STD-1553 DATA BUS SINGLE AND DUAL TRANSCEIVERS
• Manufacturer: DDC

GENERAL
The BUS-63100 Series offers complete transmitter and receiver
pairs packaged in either single or dual redundant form which are
designed for use in any MIL-STD-1553 application.
Figure 1 shows a BUS-63100 Series transceiver connected to a
MIL-STD 1553 Data Bus. Once transformer isolated, coupling to
a MIL-STD-1553 Data Bus can be either short stub (direct) or
long (transformer). Figure 2 shows the different configurations
and lists the recommended DDC transformer bus product for use
with each model.
TRANSCEIVER CAPABILITIES
DDC’s BUS-63100 Series of transceivers offer a wide range of
capabilities (on selected models), which include power supply
voltage levels, packaging configurations, Smiths or Harris type
encode/decoder direct compatibility, and internal (pre-set)
and/or external (adjustable) threshold levels. The capabilities of
the different models are described in the paragraphs which fol-
low and are summarized in TABLE 1.
POWER SUPPLY VOLTAGES
Power supply voltage requirements on the BUS-63102 and
BUS-63104 are met over a range from
els operate with either -12 V or -15 V supplies. All models
require a + 5 V supply. Refer to TABLE 1.
PACKAGING CONFIGURATIONS
Single transceivers, BUS-63102 and BUS-63104 are packaged
in 24 pin square packages, all other single transceivers are
packaged in 24 pin DDIP. Dual transceivers are packaged in 36
pin DDIP’s.
Single
BUS-63102
BUS-63104
BUS-63105
BUS-63107
BUS-63115
BUS-63117
Dual
BUS-63125
BUS-63127
BUS-63135
BUS-63137
±12 VDC
±15 VDC
TO
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VDC
-12
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•
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VDC
-15
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±
24 PIN
12 V to
DDIP
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TABLE 1. TRANSCEIVER CAPABILITIES
±
SQUAR
24 PIN
15 V. All mod-
E
•
•
36 PIN
DDIP
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I/O COMPATIBUILITY
SMITHS
2
ENCODER/DECODER COMPATIBILITY
BUS-63105, BUS-63107, BUS-63125 and BUS-63127 are
directly compatible to Harris 15530 type Encoder/Decoders. All
other transceivers are directly compatible to Smiths type.
Transceivers which are directly comparible with one type can be
converted for use with the other by simply switching the output
lines, RX Data and RX Data, and inverting their signals by
means of external inverting gates.
WAVEFORMS
All transceivers conform fully to MIL-STD-1553 requirements.
Additionally, BUS-63102 conforms to MACAIR standards, pro-
ducing sinusoidal waveforms at 1 MHz.
THRESHOLD LEVELS
All models offer internal (factory preset) threshold levels.
Additionally, BUS-63102 and BUS-63104 offer externally set
threshold levels. These external threshold levels are adjustable
from 0 V to 2 V, with the use of two external 10 KOhm poten-
tiometers; see FIGURE 5.
NOTES:
(1) X = Don’t Care
(2) DRIVER OUT = TX Data Out and TX Data Out.
(3) DRIVER OUTPUT terminals are in the high impedance mode
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TX Data In TX Data In
during OFF time, independent of INHIBIT status.
X
0
0
1
1
(1)
HARRIS
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TABLE 2. TRANSMIT OPERATING MODE
THRESHOLD
X
0
1
0
1
INT
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EXT
TX INHIBUIT
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MACAIR
H
X
X
L
L
•
MIL-STD-
DRIVER OUTPUT
1553
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OFF
OFF
OFF
ON
ON
MODEL NO.
Single
BUS-63112
BUS-63114
BUS-63106
BUS-63108
BUS-63116
BUS-63118
Dual
BUS-63126
BUS-63128
BUS-63136
BUS-63138
FLATPACK
(3)
(2)
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