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RTI-1
FEATURES
Ë Complete MIL-STD-1553B Remote Terminal
interface compliance
Ë Dual-redundant data bus operation supported
Ë Internal illegalization of selected mode code
commands
Ë External illegal command definition capability
Ë Automatic DMA control and address generation
Ë Operational status available via dedicated lines or
internal status register
Ë ASD/ENASC (formerly SEAFAC) tested and
approved
Ë Available in ceramic 84-lead leadless chip carrier and
84-pin pingrid array
Ë Full military operating temperature range, -55
°C to
+125
°C, screened to the specific test methods listed in
Table I of MIL-STD-883, Method 5004, Class B
Ë JAN-qualified devices available
Figure 1. UT1553B RTI Functional Block Diagram
IN
A
OUT
IN
B
OUT
DECODER
CHANNEL
A
DECODER
CHANNEL
B
ENCODER
MUX
16
MODE CODE/
SUB ADDRESS
COMMAND
RECOGNITION
LOGIC
CONTROL
AND
ERROR LOGIC
DATA
TRANSFER
LOGIC
ILLEGAL
COMMAND
MEMORY
ADDRESS
CONTROL
TIMEOUT
CLOCK AND
RESET LOGIC
2MHz
DATA I/O BUS
OUTPUT EN
MEMORY
ADDRESS
OUTPUTS
CONTROL
INPUTS
HOST
SYSTEM
ADDRESS
INPUTS
CONTROL
OUTPUTS
TIMERON
12MHz
RESET
UT1553B RTI Remote Terminal Interface
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