CT2553-PCB Aeroflex Circuit Technology, CT2553-PCB Datasheet - Page 33

• Manufacturer Part Number: CT2553-PCB
• Description: Advanced Integrated Mux Aim Hybrid For Mil-std-1553 / Sae-as15531 In Pcb Style
• Manufacturer: Aeroflex Circuit Technology

Pin
57
58
58
59
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
77
78
78
1. I
2. I
3. I
4. I
5. Internal Pull-up Resistor = 33K Ohms, Typ.
6. Pin 13 = B6, Pin 15 = B7 and Pin 52 = B8 (MSB). B6, B7 and B8 are the MSB lines of an 8 BIT Counter used in the BC and MT mode to count
SCDCT2553PCB Rev A Preliminary 7/13/06
IH
IL
OH
OL
32 WORD TRANSFERS to memory (16 words received off the bus) for a total of 128 DATA and Tag words (in MT mode). (See pages 19 &
20 for discussion.)
T/R
+5VB
TXINHB
TX/RX-B
RXDATAB
A00
A02
A04
A06
A08
A10
A12
A14
MEMWR
MEMENA-IN
INCMD
MSTRCLR
INT
IOEN
SELECT
READYD
TAGEN
+5VA
TXINHA
TX/RX-A
RXDATAA
Name
is specified at: V
is specified at: V
is specified at: V
is specified at: V
CC
CC
CC
CC
TABLE 7 – PIN vs FUNCTION & LOADING (78 PIN DIP) (con’t)
I
= 5.5V, V
IH
= 5.5V, V
= 4.5V, V
±20
= 4.5V, V
(5)
(5)
(5)
(5)
(5)
(5)
(5)
(5)
(5)
(5)
(µA) I
-
-
-
-
-
-
-
-
-
-
-
IL
IH
IH
IH
IL
±0.02
= 0.4V.
-0.4
-0.4
-0.4
-0.4
-0.4
-0.4
-0.4
-0.4
-0.7
-0.7
= 2.7V.
= 0.4V.
(mA) I
= 2.4V.
-
-
-
-
-
-
-
-
-
-
-
OH
-400
-400
-400
-400
-400
-400
-400
-400
-400
-400
-400
-400
-400
-400
-400
(µA) I
-
-
-
-
-
-
-
OL
2.0
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
4.0
2.0
4.0
4.0
4.0
4.0
(mA)
-
-
-
-
-
-
-
Transmit/Receive 1553 data. Latched T/R bit from current command
word.
+5V power supply connection for the B channel transceiver.
XXXXXXXXXXX
Transmit/Receive transceiver-B. Inverted I/O to coupling transformer
that connects to channel B of the 1553 Bus.
XXXXXXXXXXX
Address Bit 0 (LSB).
Address Bit 2.
Address Bit 4.
Address Bit 6.
Address Bit 8.
Address Bit 10.
Address Bit 12.
Address Bit 14.
Memory Write. Output pulse to write data into memory.
Memory Enable In. Enables internal RAM only; connect directly to
MEMENA-OUT.
In Command. Indicates BC or RTU currently in message transfer
sequence.
Interrupt. Interrupt pulse line to CPU.
Input/Output Enable. Output to enable external hybrid to the
address/data bus.
Select. Input from the CPU. When active, selects CT2553 for
operation.
Ready Data. When active indicates data has been received from, or is
available to, the CPU.
Tag Enable. Enables an external time to counter for transferring the
time tag word into memory.
+5V input/power supply for channel A transceiver.
XXXXXXXXX
Transmit/Receive transceiver-A. Inverted I/O to the coupling
transformer that connects to the A channel of the 1553 Bus.
XXXXXXXXX
Master Clear. Power-on reset from CPU.
Description
CT2556-PCB only
CT2556-PCB
CT2553/4/5-PCB only
CT2553/4/5-PCB only
CT2556-PCB only
CT2556-PCB only
33
CT2553/4/5-PCB only
Aeroflex Plainview