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ACT4444 Datasheet(PDF) 6 Page - Aeroflex Circuit Technology

Part # ACT4444
Description  Transceiver for MIL-STD-1553 /MACAIR in a Chipscale Package
PDF  10 Pages
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Manufacturer  AEROFLEX [Aeroflex Circuit Technology]
Direct Link  http://www.aeroflex.com
Logo AEROFLEX - Aeroflex Circuit Technology

ACT4444 Datasheet(HTML) 6 Page - Aeroflex Circuit Technology

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6
SCD4444 Rev B
NC
FIGURE 3 – TYPICAL CONNECTIONS – DATABUS INTERFACE, DIRECT COUPLED STUB,
FIGURE 4 – TYPICAL CONNECTIONS – DATABUS INTERFACE, DIRECT COUPLED STUB,
-VTH RTN
+VTH RTN
Rx GND3
Rx GND2
Rx GND1
GND2
CTRUNC
GND1
VCA CONT 1
Tx DATA BUF IN
VREF
Tx DATA FIL OUT
Tx DATA FIL OUT
Tx DATA BUF IN
Tx INHIBIT IN
Tx DATA IN
Tx DATA IN
+VTH
Rx 1 IN
COMP 1 NH
COMP 1 NI
Rx 2 OUT
Rx 1 OUT
COMP IN
Rx FIL OUT
Rx DATA IN
Tx DATA OUT
*
Rx DATA IN
Tx DATA OUT
*
COMP +VTH IN
COMP -VTH IN
-VTH
VL
COMP +VTH IN
43
46
29
50
42
55
20
26
23
19
13
11
8
6
57
58
59
34, 54, 56
39
45
37
38
36
31
32
33
28
30
41
48
51
16
52
3
40
44
10-15pF
NPO
0.01µF
CERAMIC
0.47µF
CERAMIC
0.01µF
CERAMIC
6.8µF
TANTALUM
+
+15Vdc
Tx DATA OUT
Tx DATA OUT
Rx DATA OUT
Rx DATA OUT
0.01µF
CERAMIC
6.8µF
TANTALUM
+
Tx INHIBIT IN
Tx DATA IN
Tx DATA IN
8
7
5
4
1 : 1
6
3
1
2
NC
COMP 2 NI
COMP 2 NH
Rx 2 IN
55
55
5K
Ω
5K
Ω
1/
1/
2/
Notes:
1/ 5K
Ω Tolerance ±5%, Ratio 1%.
2/ Range 10-15pF. To adjust positive half of command sync for nominal 1500ns.
Rx STROBE IN
27
Rx STROBE IN
Zo
Zo
Data
Bus
Wire
Pair
A
A'
B
B'
+5Vdc
ACT4444
10
35, 47
43
46
29
50
42
55
20
26
23
19
13
11
8
6
57
58
59
34, 54, 56
1, 18
53
41
48
51
16
52
3
10-15pF
NPO
0.01µF
CERAMIC
0.47µF
CERAMIC
0.01µF
CERAMIC
10K
Ω, 5%
6.8µF
TANTALUM
+
+15Vdc
Tx DATA OUT
Tx DATA OUT
-15Vdc
0.01µF
CERAMIC
6.8µF
TANTALUM
0.01µF
CERAMIC
6.8µF
TANTALUM
+
Tx INHIBIT IN
Tx DATA IN
Tx DATA IN
8
7
5
4
1 : 1
6
3
1
2
55
55
5K
Ω
5K
Ω
1/
1/
2/
Notes:
1/ 5K
Ω Tolerance ±5%, Ratio 1%.
2/ Range 10-15pF. To adjust positive half of command sync for nominal 1500ns.
Pulse 1553-1
Zo
Zo
Data
Bus
Wire
Pair
A
A'
B
B'
+5Vdc
39
45
37
38
36
31
32
33
30
28
40
44
NC
NC
Rx DATA OUT
Rx DATA OUT
39
45
37
38
36
31
32
33
30
28
40
44
NC
Rx DATA OUT
Rx DATA OUT
-VTH RTN
+VTH RTN
Rx GND3
Rx GND2
Rx GND1
GND2
CTRUNC
GND1
VCA CONT 1
Tx DATA BUF IN
VREF
Tx DATA FIL OUT
Tx DATA FIL OUT
Tx DATA BUF IN
Tx INHIBIT IN
Tx DATA IN
Tx DATA IN
COMP IN
Rx FIL OUT
Rx DATA IN
Tx DATA OUT
*
Rx DATA IN
Tx DATA OUT
*
VL
ACT4444
+VTH
COMP 2 NI
COMP 2 NH
Rx 2 IN
Rx 1 IN
COMP 1 NH
COMP 1 NI
Rx 1 OUT
Rx 2 OUT
COMP +VTH IN
COMP -VTH IN
-VTH
COMP +VTH IN
+VTH
COMP 2 NI
COMP 2 NH
Rx 2 IN
COMP +VTH IN
COMP -VTH IN
-VTH
COMP +VTH IN
Rx STROBE IN
27
Rx STROBE IN
or Equivalent
Pulse 1553-1
or Equivalent
NORMALLY HIGH RECEIVER IDLE STATE
NORMALLY LOW RECEIVER IDLE STATE
VEETX
*
VEERX
VCCTX
*
VCCRX
* High current lines (~100mA)
+
9
VCCTX
5, 14
VEETX
1/
50K
Ω
50K
Ω
1%
1%
10K
Ω, 5%
60
61
DEXORIN
DEXORIN
1, 18
53
VCCTX
*
VCCRX
9
VCCTX
50K
Ω
50K
Ω
1%
1%
60
61
DEXORIN
DEXORIN
10
35, 47
-15Vdc
0.01µF
CERAMIC
6.8µF
TANTALUM
VEETX
*
VEERX
* High current lines (~100mA)
+
5, 14
VEETX



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