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BU-63152 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BU-63152
기능 MIL-STD-1553 Data Bus Dual Transceiver
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BU-63152 데이터시트, 핀배열, 회로
BU-63152
MIL-STD-1553 DATA BUS
DUAL TRANSCEIVER
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FEATURES
Requires only +5V Power Supply
Small Size - 64 Pin QFP
Low Power
Dual Transceiver
HARRIS I/O Compatibility
Conforms fully to MIL-STD-1553A,
-1553B, and -1760
DESCRIPTION
The BU-63152 transceiver is a complete dual transmitter and receiv-
er pair conforming fully to MIL-STD-1553A, 1553B, and 1760.
Features include: +5V power supply voltage, Harris interface type,
completely independent dual redundant operation, and small size 64-
pin Quad Flat Package (QFP).
The receiver section of the BU-63152 series accepts phase-modulat-
ed bipolar data from a MIL-STD-1553 Data Bus and produces TTL
level signals at its outputs: RX DATA OUT and RX DATA OUT.
These outputs represent positive and negative variations of the input
data signals beyond an internally fixed threshold level. An external
STROBE input enables or disables the receiver’s outputs.
The transmitter section accepts bipolar TTL signal data at its
TX DATA IN and TX DATA IN inputs and produces phase-modulated
bipolar data at the TX DATA OUT and TX DATA OUT outputs. When
used with the recommended transformers, the transmitter typically
produces 21Vp-p for transformer coupled outputs and 7.2Vp-p at the
bus. An external input, INHIBIT, takes priority over the transmitter
inputs and disables the transmitter when activated with a logic “1”.
The small size, +5V power supply voltage, and compliance with MIL-
STD-1553A, 1553B, and 1760 simplify engineering design, making it
an excellent choice for interfacing with any MIL-STD-1553 system.
www.DataSheet4U.com
Data Device Corporation
105 Wilbur Place
Bohemia, New York 11716
631-567-5600 Fax: 631-567-7358
www.ddc-web.com
FOR MORE INFORMATION CONTACT:
Technical Support:
1-800-DDC-5757 ext. 7234
© 2000 Data Device Corporation




BU-63152 pdf, 반도체, 판매, 대치품
GENERAL
The BU-63152 is a dual redundant transmitter and receiver
packaged in a 64-pin QFP (see Figure 5). It is directly compati-
ble to Harris 15530 encoder/decoder and has internal (factory
preset) threshold levels. Requiring only a +5V power supply, the
BU-63152 is designed for use in any MIL-STD-1553 application.
FIGURE 1 shows a BU-63152 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
stub (transformer). The recommended transformer for long and
short stub coupling is Beta P/N B-3226 (through hole) or B-3227
(surface mount). There are other transformer configurations
available from Beta. Reference FIGURE 3 and TABLE 2.
rations (long or short stub). This data is converted to bi-phase
TTL and made available for decoding at the RX DATA and
RX DATA terminals. Applying a logic 1to the STROBE input
allows data to pass through to the receiver output. Applying a
logic 0to the STROBE input turns the receiver output OFF.
The BU-63152 receiver outputs are both at a logic 0when they
are either strobed off, or no signal is being received. This is
directly compatible with a Harristype of encoder/decoder.
Compatibility to a Smithstype of encoder/decoder may be
accomplished by swapping the RX DATA OUT and
RX DATA OUT outputs and then inverting them (see FIGURE 4).
BU-63152 WAVEFORMS
TRANSMIT OPERATING MODE
The transmitter section accepts encoded TTL data and converts
it to phase-modulated differential format by means of a wave-
shaping network and driver circuitry. These driver outputs are
coupled to a MIL-STD-1553 Data Bus via a transformer which is
driven from the TX DATA OUT and TX DATA OUT terminals.
These output terminals can be put into a high impedance state
when transmitting by bringing the respective TX_INHIBIT input
to logic 1, or by placing both inputs at the same logic level.
TABLE 3, Transmit Operating Mode, lists the functions for the
output data and input data in reference to the state of INHIBIT.
The transceivers are able to operate in a wraparoundmode.
This allows output data to be monitored by the receiver section
and returned to the decoder where it can be checked for errors.
FIGURE 2 illustrates the waveforms for the BU-63152. Note that
DATA and DATA inputs must be complementary waveforms of
50% average duty cycle while transmitting.
TRANSFORMERS
In selecting isolation transformers to be used with the BU-63152,
there is a limitation on the maximum amount of leakage induc-
tance. If this limit is exceeded, the transmitter rise and fall times
may increase, possibly causing the bus amplitude to fall below
the minimum level required by MIL-STD-1553. In addition, an
excessive leakage imbalance may result in a transformer
dynamic offset that exceeds 1553 specifications.
The maximum allowable leakage inductance is 6.0 µH, and
is measured as follows:
RECEIVER OPERATING MODE
The receiver section accepts data from a MIL-STD-1553 Data
Bus when properly coupled in either of the two possible configu-
TX Data In
TX Data In
LINE-TO-LINE
OUTPUT
LINE-TO-LINE
INPUT
www.DataSheet4RUX.cDoatma Out
RX Data Out
Notes:
(1) TX Data In and RX Data Out are TTL signals.
(2) TX Data In inputs must be at opposite logic levels during transmission, and at
a low logic level when not transmitting.
(3) LINE-TO-LINE output voltage is measured between TX Data Out and TX Data Out.
(4) LINE-TO-LINE input voltage is measured on the Data Bus.
FIGURE 2. TYPICAL OPERATING WAVEFORMS
The side of the transformer that connects to the BU-63152 is
defined as the primarywinding. If one side of the primary is
shorted to the primary center-tap, the inductance should be mea-
sured across the secondary(stub side) winding. This induc-
tance must be less than 6.0 µH. Similarly, if the other side of the
primary is shorted to the primary center-tap, the inductance mea-
sured across the secondary(stub side) winding must also be
less than 6.0 µH.
The difference between these two measurements is the
differentialleakage inductance. This value must be less than
1.0 µH.
Beta Transformer Technology Corporation (BTTC), a subsidiary
of DDC, manufactures transformers in a variety of mechanical
configurations with the required turns ratios of 1:2.5 direct cou-
pled, and 1:1.79 transformer coupled. TABLE 2 provides a list-
ing of many of these transformers.
For further information, contact BTTC at 631-244-7393 or at
www.bttc-beta.com.
Data Device Corporation
www.ddc-web.com
4
BU-63152
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BU-63152 전자부품, 판매, 대치품
TABLE 4. BU-63152 PIN FUNCTIONS
PIN FUNCTION
CHANNEL
1 GND
A
2 TX Data Out
A
3 TX Data Out
A
4 +5V
A
5 +5V
A
6 TX Data Out
A
7 TX Data Out
A
8 GND
B
9 Factory Test Input *
B
10 Factory Test Input *
B
11 GND
B
12 +5V
B
13 +5V
B
14 RX Data Out
B
15 Strobe
B
16 RX Data Out
B
17 Factory Test Input *
B
18 GND
B
19 +5V
B
20 +5V
B
21 +5V
B
22 GND
B
23 GND
B
24 GND
B
25 RX Data In
B
26 RX Data In
B
27 Factory Test Output *
B
28 +5V
B
29 +5V
B
30 TX Inhibit
B
31 TX Data In
B
32 TX Data In
B
* No User Connections; factory test points.
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TABLE 4. BU-63152 PIN FUNCTIONS (CONT.)
PIN FUNCTION
CHANNEL
33 GND
B
34 TX Data Out
B
35 TX Data Out
B
36 +5V
B
37 +5V
B
38 TX Data Out
B
39 TX Data Out
B
40 GND
A
41 Factory Test Input *
A
42 Factory Test Input *
A
43 GND
A
44 +5V
A
45 +5V
A
46 RX Data Out
A
47 Strobe
A
48 RX Data Out
A
49 Factory Test Input *
A
50 GND
A
51 +5V
A
52 +5V
A
53 +5V
A
54 GND
A
55 GND
A
56 GND
A
57 RX Data In
A
58 RX Data In
A
59 Factory Test Output *
A
60 +5V
A
61 +5V
A
62 TX Inhibit
A
63 TX Data In
A
64 TX Data In
A
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부품번호상세설명 및 기능제조사
BU-63152

MIL-STD-1553 Data Bus Dual Transceiver

Data Device Corporation
Data Device Corporation

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