ACT4436 Aeroflex Circuit Technology, ACT4436 Datasheet

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ACT4436

Manufacturer Part Number
ACT4436
Description
Act 4436 Dual Transceiver For Mil-std-1553/1760
Manufacturer
Aeroflex Circuit Technology
Datasheet
Features
• +5 / ±15 Volt Supply Operation
• Low Power Dissipation
• Outstanding MIL-STD-1553 performance
• Radiation Hard Dielectric Isolation Monolithic
• Input and Output TTL Compatible Design
• Processed and Screened to MIL-STD-883 Specs
• MIL-PRF-38534 Compliant Devices Available
• DESC SMD# 5962-89447
RX STROBE IN
TX INHIBIT IN
Construction for Severe Environments
TX DATA IN
RX DATA IN
RX DATA IN
TX DATA IN
+15V (V
eroflex Circuit T
Smaller Case Outline than ACT4487D
-15V (V
+5V (V
GND1
GND2
GND3
CASE
CC
EE
L
)
)
)
Block Diagram (Without Transformer)
AMPLIFIER
ACT 4436 DUAL TRANSCEIVER
DRIVER
INPUT
echnology
FOR MIL-STD-1553/1760
REFERENCE
ACTIVE
FILTER
ACTIVE
FILTER
– Data Bus Modules For The Future © SCD4436D REV B 3/10/98
OUTPUT
STAGE
COMP.
COMP.
TX DATA OUT
TX DATA OUT
RX DATA OUT
RX DATA OUT
ACT 4436 is a next generation
monolithic
which provides full compliance to
MIL-STD-1553A/B and 1760
quirements in a smaller package
with lower pin count then the
ACT4487D, for those designs with
less board space.
the front-end analog function of
inputting
through
MIL-STD-1553 data bus.
particular attention to active filter
performance. This results in low bit
and word error rate with superior
waveform purity and minimal zero
crossover
transmitter electrical and thermal
design provides low internal power
dissipation and heat rise at high as
well as low duty cycles.
Transmitter:
bi-phase TTL data at the input and
when coupled to the data bus with a
1.4:1 ratio transformer, isolated on
the data bus side with two 52.5
Ohm fault isolation resistors, and
loaded
terminations, the data bus signal is
typically 7.5 Volts P-P at point A
(See Figure 5). When both DATA
and DATA inputs are held low or
high,
becomes a high impedance and is
“removed” from the line. In addition,
General Description
The Aeroflex Circuit Technology
The ACT 4436 series performs
Design of this transceiver reflects
The Transmitter section accepts
www.aeroflex.com/act1.htm
CIRCUIT TECHNOLOGY
the
a
by
and
distortion.
transceiver
transformer
transmitter
two
outputting
70
Efficient
to
design
output
Ohm
data
re-
the

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ACT4436 Summary of contents

Page 1

... ACTIVE COMP. FILTER – Data Bus Modules For The Future © SCD4436D REV B 3/10/98 CIRCUIT TECHNOLOGY www.aeroflex.com/act1.htm General Description The Aeroflex Circuit Technology ACT 4436 is a next generation monolithic transceiver design which provides full compliance to MIL-STD-1553A/B and 1760 quirements in a smaller package ...

Page 2

... LINE TO LINE OUTPUT Note: DATA and DATA inputs must be complementary waveforms or 50% duty cycle average, with no delays between them, and must be in the same state during off times (both high or low). Figure 2 — Receiver Logic Waveforms Idealized (ACT4436D) LINE TO LINE INPUT STROBE ...

Page 3

... Output offset, Figure 3, 2.5µS after midpoint crossing of the parity bit of the last word of a 660µS message See Figure 5 Delay from 50% point of TX DATA or TX DATA input to zero crossing of differential signal. See Fig 5 Aeroflex Circuit Technology Absolute Maximum Ratings (Note: Normal operation conditions require one Condition Symbol ...

Page 4

... Capacitor minimum. All measurements & specifications apply over the temperature range of -55°C to +125°C (case temperature) unless otherwise specified. Note 3: When measured as shown per Figure 5 with ± 10 Volt peak, line to ground 2MHz Note 4: Typical power is measured with V Aeroflex Circuit Technology Condition Symbol TXFMR ...

Page 5

... BUS Configurations and Ordering Information ACT Model # / Ordering Part # ACT 4436-D ACT 4436-DI ACT 4436-DF ACT 4436-DFI Specifications subject to change without notice. Aeroflex Circuit Technology Figure 5 – Typical 1553 Bus Connections Magnified View ACT 4436 * TX DATA OUT OUTPUT OFFSET * OUTPUT OFFSET ...

Page 6

... ACT4436D – Plug In and Flat Package Pin # Aeroflex Circuit Technology Figure 6 – Lead Numbers & Functions Function 1 TX DATA OUT/ RX DATA DATA OUT/ RX DATA IN 3 GROUND 4 RX STROBE 5 RX DATA OUT 6 RX DATA OUT 7 CASE 8 TX DATA OUT/ RX DATA DATA OUT/ RX DATA IN ...

Page 7

... Pin 1 & ESD Designator .250 Lead 1 & ESD Designator .400 MIN. Aeroflex Circuit Technology 35 South Service Road Plainview New York 11830 www.aeroflex.com/act1.htm Aeroflex Circuit Technology Plug In Package Outline 1.480 MAX .018 .100 1.300 (13 Equal Spaces at .100) Flat Package Outline 1.500 MAX. ...

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