CT2565 Aeroflex Circuit Technology, CT2565 Datasheet - Page 3

• Manufacturer Part Number: CT2565
• Description: CT2565 Bus Controller/ Remote Terminal and BUS Monitor FOR MIL-STD-1553B
• Manufacturer: Aeroflex Circuit Technology

Aeroflex Circuit Technology
GENERAL
The CT2565 uses a custom CMOS ASIC for
protocol logic and I/O buffering to provide low
power dissipation in its small package.
The CT2565 performs a continuous on-line
Built-In-Test (BIT); in this test the last transmitted
word of each message transfer is wrapped
around through the active receiver channel and
verified against the captured encoded word. A
user-defined loop test under subsystem control
can also be implemented. Numerous error flags
are
message error, status error, response time out
and loop test error.
An external 12 MHz, TTL clock connected to Pin
39 is required.
Where appropriate, references to signal names
and their associated pin numbers for the 78 pin
PARAMETER
provided
Logic
Power Supply
Temperature Range
Physical Characteristics
* I
OL
V
V
V
V
I
I
I
I
C
C
+5VDC
Operating (Case)
Storage
Size
Weight
IH
IL
OL
OH
both parameters.
IH
IL
OH
OL
IN
OUT
and I
*
Tolerances
Supply Current
Internal Decoupling
78 pin DDIP
82 pin flatpack
*
(f = 1MHz)
(f = 1MHz)
OH
Values at nominal Power Supply Voltages unless otherwise specified
to
parameters are indicated for all logic outputs except Data Bus (DB0 – DB15) which are ±5mA for
the
subsystem
Table 1 – CT2565 Specifications
including
3
DDIP
document. For flatpack model pin numbers, refer
to Table 10.
BC/RTU/MT Initialization
The CT2565 provides BC, RTU, and MT
operating modes.
dynamically selectable through two static control
inputs as listed in Table 2. It is recommended
that a master RESET signal be issued (80ns min)
prior to mode selection to clear the internal
registers.
MIL-STD-1553 Word Types
Figure 2 illustrates the three MIL-STD-1553 word
types: Command, Data, and Status.
package
(48.30 x 53.34 x 6.35)
(40.64 x 55.63 x 3.81)
1.9 x 2.10 x 0.25
1.6 x 2.19 x 0.15
50 typ (70 max)
±100 max
55 to +125
65 to +150
±1.2 max
±0.4 max
-0.4 max
±10 max
0.8 max
0.4 max
1.7 (48)
VALUE
2.0 min
3.7 min
20 max
20 max
1.5 typ
are
SCDCT2565 REV B 8/10/99 Plainview NY [phone]
The operating mode if
made
throughout
UNITS
oz (g)
(mm)
(mm)
mA
mA
mA
mA
µA
pF
pF
µF
°C
°C
%
in
in
V
V
V
V
this