BUS-8559 Data Device, BUS-8559 Datasheet

BUS-8559

Manufacturer Part Number

BUS-8559

Description

Variable Output Transceiver

Manufacturer

Data Device

Datasheet

1.BUS-8559.pdf (4 pages)

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DataSheet

DESCRIPTION

Designed specifically for use in auto-

matic test equipment where a variable

transmitter output level is required,

the DDC Model BUS-8559 transceiv-

er is a complete transmitter and

receiver conforming to MIL standards

1553A and 1553B.

The receiver section accepts phase-

modulated bipolar data at the input

and produces a bi-phase TTL signal

at the output, see FIGURE 1.

Outputs, DATA and DATA, are posi-

tive and negative excursions of the

input beyond an internally fixed

threshold. The positive and negative

thresholds are internally set at the

factory for a nominal 1 V pk-pk signal,

when measured at point “A” in FIG-

URE 2. An external strobe input is

provided which allows the the receiv-

er to be removed from the line. A logic

“0” applied to RECEIVER STROBE

will disable the receiver output.

The BUS-8559 transmitter section

accepts bi-phase TTL data at the

input and produces a nominal 0 to 27

V pk-pk differential output across a

145

1999 Data Device Corporation

.com

load. When the transmitter is

BUS-25679

TRANSFORMER

coupled to the data bus with the spec-

ified transformer*, and isolated (on the

data side) with two 55

resistors, and loaded with two 70

terminations

receivers), the data bus signal pro-

duced is a nominal 0 to 7.5 V pk-pk

when measured at the output side of

the 55

When both DATA and DATA, inputs

are held low or high, the transmitter

presents a high impedance to the

line. An external inhibit input is also

provided, which allows the the trans-

mitter output to be removed from the

line.. When a logic “1” is applied to the

TX INHIBIT input, the transmitter is

disabled, and the data inputs are

ignored.

APPLICATION

The BUS-8559 is suitable for any

MIL-STD-1553

requires a transceiver. The BUS-8559

comes in a hermetic, 24-pin DDIP

package which measures 1.4 x 0.8 x 0.2

inches.

BUS-8559 BLOCK DIAGRAM

resistors.

DATA

DataSheet4U.com

(plus

application

TRANSCEIVER

MIL-STD-1553 TRANSCEIVER

LIMITER

DRIVER

fault isolation

-15

additional

+15

which

NETWORK

SHAPING

FILTER

VAR V

(O to +15 V)

COMPARATOR

DataSheet4U.com

VARIABLE OUTPUT

•

Variable Transmitter Output

Transmitter/Receiver in a Single

Very Low Power Dissipation

Improved Receiver Filtering

Meets MIL-STD-1553A and 1553B

Power Supplies:

24-Pin DDIP Hybrid

Enhances System Bit Error Rate

±15 V or

+15 V and -12 V

BUS-8559

FEATURES

BUS-8559

TX DATA

TX INHIBIT

RECEIVER

STROBE

RX DATA

Related parts for BUS-8559

BUS-8559 Summary of contents

Page 1

... When a logic “1” is applied to the TX INHIBIT input, the transmitter is disabled, and the data inputs are ignored. APPLICATION DataSheet4U.com The BUS-8559 is suitable for any MIL-STD-1553 application which requires a transceiver. The BUS-8559 comes in a hermetic, 24-pin DDIP package which measures 1.4 x 0.8 x 0.2 inches ...

Page 2

... SPECIFICATIONS FOR BUS-8559 HYBRID WITH BUS-25679 TRANSFORMER PARAMETER RECEIVER SECTION 40 V pk-pk differential max Input Level 4 k Input Impedance 1 V pk-pk nominal, internally set Threshold Level (direct mode) TTL loads Output Levels Outputs: V 0.6 V max OL V 2.5 V min max OL I -400 µA max ...

Page 3

... ORDERING INFORMATION BUS-8559-XX0X Supplemental Process Requirements Pre-Cap Source Inspection L = Pull Test Q = Pull Test and Pre-Cap Inspection Blank = None of the Above Process Requirements Standard DDC Processing, no Burn-In (See page xiii MIL-PRF-38534 Compliant MIL-PRF-38534 Compliant with PIND Testing 4 = MIL-PRF-38534 Compliant with Solder Dip ...

Page 4

... J-ABR DataSheet4U.com 4 DataSheet U .com assumed by Data Device Corporation for its use, and no license or rights are granted by implication or otherwise in connection therewith. Specifications are subject to change without notice. DataSheet4U.com 105 Wilbur Place, Bohemia, New York 11716-2482 For Technical Support - 1-800-DDC-5757 ext. 7257 or 7381 Headquarters - Tel: (631) 567-5600 ext ...

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