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ACT4458 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - ACT 4458 / 4464 SINGLE SUPPLY TRANSCEIVERS FOR MIL-STD-1553/1760 - Aeroflex Circuit Technology

भाग संख्या ACT4458
समारोह ACT 4458 / 4464 SINGLE SUPPLY TRANSCEIVERS FOR MIL-STD-1553/1760
मैन्युफैक्चरर्स Aeroflex Circuit Technology 
लोगो Aeroflex Circuit Technology लोगो 
पूर्व दर्शन
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<?=ACT4458?> डेटा पत्रक पीडीएफ

ACT4458 pdf
two 70 Ohm terminations, the data
bus signal is typically 7.5 volts P-P
at A-A' (See Figure 5). When both
DATA and DATA inputs are held low
or high, the transmitter output
becomes a high impedance and is
“removed” from the line. In addition,
an overriding “INHIBIT input
provides for the removal of the
transmitter output from the line. A
logic “1” applied to the “INHIBIT”
takes priority over the condition of
the data inputs and disables the
transmitter. (See Transmitter Logic
Waveform, Figure 1.) The
Transmitter may be safely operated
for an indefinite period with the bus
(point A-A') short circuited at 100%
duty cycle.
Receiver:
The Receiver section accepts
bi-phase differential data at the input
and produces two TTL signals at the
output. The outputs are DATA and
DATA, and represent positive and
negative excursions of the input
beyond a pre-determined
threshold.(See Receiver Logic
Waveform. Figure 2.)
The pre-set internal thresholds will
detect data bus signals exceeding
1.20 Volts P-P and reject signals
less than 0.6 volts P-P when used
with a transformer. (See Figure 5
for transformer data and typical
connection.)
A low level at the Strobe input
inhibits the DATA and DATA
outputs. If unused, a 2K pull-up to
+5 Volts is recommended
Figure 1 — Transmitter Logic Waveforms Idealized*
DATA IN
DATA IN
INHIBIT
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*
LINE TO LINE
INPUT
STROBE
DATA OUT
DATA OUT
* See Figure 8 For Actual Waveforms
Aeroflex Circuit Technology
Note overlap
2 SCD4458 REV A 1/29/98 Plainview NY (516) 694-6700

विन्यास 8 पेज
डाउनलोड[ ACT4458 Datasheet.PDF ]


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