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CT1820-FP View Datasheet(PDF) - Aeroflex Corporation

Part Name
Description
Manufacturer
CT1820-FP Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
CT1820
Data Terminal Bit Processor
for MIL-STD-1553 A & B
www.aeroflex.com/Avionics
April 10, 2008
FEATURES
Performs Encoder, Decoder, Logic and Control functions of a Data Bus Terminal to MIL-STD-1553
specifications, including Address, Mode Code and Broadcast Decoding and Terminal Fail Safe
Flexibility - all control lines accessible
Parallel tri-state subsystem l/O bus compatible with both 16 bit and 8 bit systems
Dual rank l/O registers for versatile subsystem tlmlng
Operates from +5VDC @ 50mA
Self-contained +5Vdc oscillator and clock driver @ 13 mA
Look-ahead serial receive data output
Self-test, on-line wraparound, plus off-line capability
Full military (-55°C to +125°C) temperature range
Designed for commercial, industrial and aerospace applications
MIL-PRF-38534 compliant
Packaging – Metal hermetic
- 56 pin, plug-in, 1.155"W x 2.155"L x .200"Ht
- 60 lead, flat-pack, 1.015"W x 1.59"L x .147"Ht
DESC Standard microcircuit drawing (SMD): 5962-90636
DESCRIPTION
The Aeroflex Plainview CT1820 Bit Processor Unit (BPU) is an advanced Hybrid Microcircuit that provides the
interface between a MIL-STD-1553 Transceiver such as CT3231M or CT3232M, and the subsystem internal
parallel data bus. The unit can be employed as the mux bus interface for Remote Subsystems or Master Terminal
Bus Controllers, thus providing a common interface for all systems communicating over the bus.
The unit places no restrictions on Command, Response or polling operations as it transfers all Command, Status
and Data words from the bus to parallel output lines, together with error information, bus status and
handshaking signals. It also contains 5 Bit Address Recognition, Broadcast and Mode Code Decode, Terminal
Fail Safe Signal and Self Test.
In the transmit mode, it accepts parallel data from the user and transmits Command, Status and Data words,
under subsystem control, to the data bus. Positive handshaking signals provide logic control synchronisation
between the unit and the subsystem for direct data flow.
The hybrid is completely compatible with all the electrical and functional specification requirements of
MIL-STD-1553 A & B.
SCDCT1820 Rev F
 

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