eroflex Circuit T
echnology
Multiplexer Modules For The Future SCD8500 REV C 10/10/01
Features
Radiation Environment
Radiation 300K(Si) Total Dose
No Latch-Up or SEE to 120MeV/cm2/mg
Full Military Temperature Range
MIL-PRF-38534 Class K Screening for Space Applications
Low Power Consumption < 90mW
64 Channels Provided by Six (6) HS-1840RH Multiplexers
Two Address Busses (A
0-3
& B
0-3
)
,
and Four Enable lines afford flexible
organization
All Channel Inputs protected by 20V Transorbs
Fast Access Time 1500ns
35V Input Over Voltage Protection (Power On or Off)
Break-Before-Make Switching
High Analog Input Impedance (Power On or Off)
Dielectrically Isolated Device Islands
No Latch-Up
Packaging Hermetic Ceramic Quad Flat Pack
96 Leads, 1.32"Sq x .20"Ht Quad Flat Pack
Typical Weight 15 grams
DESC SMD 5962-00502 (Pending)
General Description
Aeroflex's ACT8500 is a radiation hardened, multi-chip 64 channel multiplexer MCM (multi-chip
module) with ESD protection for use in space applications. It is designed to provide a high input
impedance to the analog source power on or off, or the analog signal voltage inadvertently exceeds
the supply rails during powered operation. All channel inputs have electrostatic discharge protection.
The ACT8500 has been specifically designed to meet exposure to radiation environments. It is
available in a 96 lead High Temperature Co-Fired Ceramic (HTCC) Quad Flatpack (QFP). It is
guaranteed operational from -55C to +125C. Available screened in accordance with the individual
test methods of MIL-STD-883, the ACT8500 is ideal for demanding military and space applications.
F
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ISO
9001
CIRCUIT TECHNOLOGY
www.aeroflex.com
ACT8500
64-Channel Analog Multiplexer Module
Radiation Hardened & ESD Protected
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
2
CH 0
CH
1
5
EN
0-
1
5
CH 3
2
CH 4
7
EN
32
-
4
7
CURRE
NT
3
2
-4
7
A0
A1
A2
A3
OUT
P
UT
4
8
-
6
3
CURRE
NT
4
8
-6
3
OUT
P
UT
3
2
-
4
7
OUT
P
UT
0
-
1
5
OUT
P
UT
1
6
-
3
1
B0
B1
B2
B3
CH 4
8
CH 6
3
EN
48
-
6
3
CH 1
6
CH 3
1
EN
16
-
3
1
MU
X
1
MU
X
2
MU
X
3
MU
X
5
MU
X
6
MU
X
4
16
16
16
16
16
16
16
VR
VR
VR
VR
+V
DD
-V
EE
16
16
16
S
E
C
T
ION
A
S
E
C
T
ION
B
A
C
T850
0 64
C
h
an
nel A
n
alo
g
M
U
X
B
l
o
c
k D
i
a
g
r
a
m
V
RE
F
GND
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
3
Organization and Application
The ACT8500 consists of six 16 channel muxes arranged as shown in the Block Diagram. The
ACT8501 design is inherently Radiation Hard due to the HS1840RH Multiplexers as well as
Microsemi Corp. Transient Suppressors (Reference Microsemi MicroNotes Series 050 - page
14).
A Section
32 channels addressable by Bus A
0
~A
3
,
in two 16 channel blocks, each block enabled
separately. Each block connects the addressed channel to two outputs, "Output" and "Current".
This technique enables selecting and reading a remote resistive sensor without the MUX
resistance being part of the measurement. For grounded sensors, this is done by passing
current to the sensor by means of the "Current" pin and reading the resultant voltage
(proportional to the sensor resistance) at the "Output" pin.
B Section
32 channels addressable by Bus B
0
~B
3
, in two 16 channel blocks, each block enabled
separately. Each block connects the addressed channel to one output.
By paralleling the channel inputs and enables, this section can be converted to act like one of
the 16 channel blocks of the A section.
NOTE: It is recommended that all "NC or "no connect pin", be grounded. This eliminates or
minimizes any ESD or static buildup.
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
4
Absolute Maximum Ratings
1/
Parameter
Range
Units
Case Operating Temperature Range
-55 to +125
C
Storage Temperature Range
-55 to +150
C
Supply Voltage
+V
CC
(Pin 44)
-V
EE
(Pin 46)
V
REF
(Pin 48)
+20
-20
+20
V
V
V
Digital Input Overvoltage
V
EN
(Pins 5, 6, 91, 92), V
A
(Pins 93, 95, 1, 3), V
B
(Pins 94, 96, 2, 4)
< V
R
+4
> GND -4
V
V
Analog Input Over Voltage
V
S
18
V
Notes:
1/ All measurements are made with respect to ground.
NOTICE: Stresses above those listed under "Absolute Maximums Rating" may cause permanent damage to the device. These are stress rating
only; functional operation beyond the "Operation Conditions" is not recommended and extended exposure beyond the "Operation
Conditions" may effect device reliability.
Recommended Operating Conditions
Symbol
Parameter
Typical
Units
+V
CC
+15V Power Supply Voltage 1/
+15.0
V
-V
EE
-15V Power Supply Voltage 1/
-15.0
V
V
REF
Reference Voltage 1/
+5.00
V
V
AL
Logic Low Level
+0.8
V
V
AH
Logic High Level
+4.0
V
1/ Power supply voltages must be applied simultaneously or with the +5V reference voltage first, then the 15V voltage.
DC Electrical Performance Characteristics
1/
(Tc = -55C to +125C, +V
EE
= +15V, -V
EE
= -15V, V
REF
= +5.0V, Unless otherwise specified)
Parameter
Symbol
Conditions
Min
Max Units
Supply Current
I+
V
EN
(0-63)
= V
A
(0-3)
A
= V
A
(0-3)
B
= 0
0.3
3
mA
I-
V
EN
(0-63)
= V
A
(0-3)
A
= V
A
(0-3)
B
= 0
-3
-0.3
mA
+I
SBY
V
EN
(0-63)
= 4V, V
A
(0-3)
A
= V
A
(0-3)
B
= 0 6/
0.3
3
mA
-I
SBY
V
EN
(0-63)
= 4V, V
A
(0-3)
A
= V
A
(0-3)
B
= 0 6/
-3
-0.3
mA
Address Input
Current
I
AL
(0-3)
B
V
A
= 0V 1/
-2
2
A
I
AH
(0-3)
B
V
A
= 5V 1/
-2
2
A
I
AL
(0-3)
A
V
A
= 0V 1/
-4
4
A
I
AH
(0-3)
A
V
A
= 5V 1/
-4
4
A
Enable Input Current
I
ENL
(0-15)
V
EN
(0-15)
= 0V
-1
1
A
I
ENH
(0-15)
V
EN
(0-15)
= 5V
-1
1
A
I
ENL
(16-31)
V
EN
(16-31)
= 0V
-1
1
A
I
ENH
(16-31)
V
EN
(16-31)
= 5V
-1
1
A
I
ENL
(32-47)
V
EN
(32-47)
= 0V
-2
2
A
I
ENH
(32-47)
V
EN
(32-47)
= 5V
-2
2
A
I
ENL
(48-63)
V
EN
(48-63)
= 0V
-2
2
A
I
ENH
(48-63)
V
EN
(48-63)
= 5V
-2
2
A
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
5
Positive Input
Leakage Current
CH0-CH63
+I
SOFFOUTPUT
(
ALL
)
V
IN
= +10V, V
EN
= 4V, output and all unused
MUX inputs under test = -10V 2/, 3/
-100 +700
nA
+I
SOFFCURRENT
(
ALL
)
-100 +700
nA
Negative Input
Leakage Current
CH0-CH63
-I
SOFFOUTPUT
(
ALL
)
V
IN
= -10V, V
EN
= 4V, output and all unused
MUX inputs under test = +10V 2/, 3/
-100 +700
nA
-I
SOFFCURRENT
(
ALL
)
-100 +700
nA
Output Leakage
Current OUTPUTS
(pins 3,13, 23 & 33)
CURRENTS
(pins 67 & 69)
+I
DOFFOUTPUT
(
ALL
)
V
OUT
= +10V, V
EN
= 4V, output and all
unused MUX inputs under test = -10V 3/, 4/
-100 +100
nA
+I
DOFFCURRENT
(
ALL
)
-100 +100
nA
Output Leakage
Current OUTPUTS
(pins 3,13, 23 & 33)
CURRENTS
(pins 67 & 69)
-I
DOFFOUTPUT
(
ALL
)
V
OUT
= -10V, V
EN
= 4V, output and all unused
MUX inputs under test = +10V 3/, 4/
-100 +100
nA
-I
DOFFCURRENT
(
ALL
)
-100 +100
nA
Input Clamped
Voltage CH0 - CH63
+V
CLMP
(0-63)
V
EN
= 4V, all unused MUX inputs under test
are open. 3/
+25C
+125C
-55C
18.0
18.0
17.5
23.0
23.5
22.5
V
V
V
Input Clamped
Voltage CH0 - CH63
-V
CLMP
(0-63)
+25C
+125C
-55C
-23.0
-23.5
-22.5
-18.0
-18.0
-17.5
V
V
V
Switch ON
Resistance
OUTPUTS
(pins 25, 26, 68 & 70)
R
DS
(
ON
)
(0-63)
A
V
IN
= +15V, V
EN
= 0.8V, I
OUT
= -1mA
2/, 3/, 5/
500 3000
R
DS
(
ON
)
(0-63)
B
V
IN
= +5V, V
EN
= 0.8V, I
OUT
= -1mA
2/, 3/, 5/
500 3000
R
DS
(
ON
)
(0-63)
C
V
IN
= -5V, V
EN
= 0.8V, I
OUT
= +1mA
2/, 3/, 5/
500 3000
Switch ON
Resistance
CURRENTS
(pins 67 & 69)
R
DS
(
ON
)
(32-63)
A
V
IN
= +15V, V
EN
= 0.8V, I
OUT
= -1mA
2/, 3/, 5/
500 3000
R
DS
(
ON
)
(32-63)
B
V
IN
= +5V, V
EN
= 0.8V, I
OUT
= -1mA
2/, 3/, 5/
500 3000
R
DS
(
ON
)
(32-63)
C
V
IN
= -5V, V
EN
= 0.8V, I
OUT
= +1mA
2/, 3/, 5/
500 3000
Notes:
1/ Measure inputs sequentially. Ground all unused inputs of the MUX under test. VA is the applied input voltage to the MUXes' address lines A(0-3).
V
B
is the applied input voltage to the MUXes' address lines B(0-3).
2/ V
IN
is the applied input voltage to the MUXes' input channel CH0-CH63.
3/ V
EN
is the applied input voltage to the MUXes' enable line En(0-15), En(16-31), En(32-47) and En(48-63).
4/ V
OUT
is the applied input voltage to the MUXes' output line OUTPUT(1-15), OUTPUT(16-31), OUTPUT(32-47), OUTPUT(48-63),
CURRENT(32-47) and CURRENT(48-63).
5/ Negative current is the current flowing out of each of the MUX pins. Positive current is the current flowing into each MUX pin.
6/ If not tested, shall be guaranteed to the specified limits.
Switching Characteristics
(Tc = -55C to +125C, V
DD
= +15V, V
EE
= -15V, V
R
= +5.0V, Unless otherwise specified)
Parameter
Symbol
Conditions
Min
Max
Units
Switching Test MUX
t
ON
A
R
L
= 10K
, C
L
= 50pF
10
1500
ns
t
OFF
A
10
2000
ns
t
ON
EN
R
L
= 1K
, C
L
= 50pF
10
1500
ns
t
OFF
EN
10
1000
ns
DC Electrical Performance Characteristics
1/
(con't)
(Tc = -55C to +125C, +V
EE
= +15V, -V
EE
= -15V, V
REF
= +5.0V, Unless otherwise specified)
Parameter
Symbol
Conditions
Min
Max Units
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
6
Truth Table (CH0 CH15)
B3
B2
B1
B0
EN(0-15)
"ON" CHANNEL
1/
X
X
X
X
H
NONE
L
L
L
L
L
CH0
L
L
L
H
L
CH1
L
L
H
L
L
CH2
L
L
H
H
L
CH3
L
H
L
L
L
CH4
L
H
L
H
L
CH5
L
H
H
L
L
CH6
L
H
H
H
L
CH7
H
L
L
L
L
CH8
H
L
L
H
L
CH9
H
L
H
L
L
CH10
H
L
H
H
L
CH11
H
H
L
L
L
CH12
H
H
L
H
L
CH13
H
H
H
L
L
CH14
H
H
H
H
L
CH15
1/ Between CH0-15 and OUTPUT (0-15)
Truth Table (CH16 CH31)
B3
B2
B1
B0
EN(16-31)
"ON" CHANNEL
1/
X
X
X
X
H
NONE
L
L
L
L
L
CH16
L
L
L
H
L
CH17
L
L
H
L
L
CH18
L
L
H
H
L
CH19
L
H
L
L
L
CH20
L
H
L
H
L
CH21
L
H
H
L
L
CH22
L
H
H
H
L
CH23
H
L
L
L
L
CH24
H
L
L
H
L
CH25
H
L
H
L
L
CH26
H
L
H
H
L
CH27
H
H
L
L
L
CH28
H
H
L
H
L
CH29
H
H
H
L
L
CH30
H
H
H
H
L
CH31
1/ Between CH16-31 and OUTPUT (16-31)
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
7
Truth Table (CH32 CH47)
A3
A2
A1
A0
EN(32-47)
"ON" CHANNEL
1/
X
X
X
X
H
NONE
L
L
L
L
L
CH32
L
L
L
H
L
CH33
L
L
H
L
L
CH34
L
L
H
H
L
CH35
L
H
L
L
L
CH36
L
H
L
H
L
CH37
L
H
H
L
L
CH38
L
H
H
H
L
CH39
H
L
L
L
L
CH40
H
L
L
H
L
CH41
H
L
H
L
L
CH42
H
L
H
H
L
CH43
H
H
L
L
L
CH44
H
H
L
H
L
CH45
H
H
H
L
L
CH46
H
H
H
H
L
CH47
1/ Between CH32-47 and OUTPUT (32-47) and CURRENT (32-47)
Truth Table (CH48 CH63)
A3
A2
A1
A0
EN(47-63)
"ON" CHANNEL
1/
X
X
X
X
H
NONE
L
L
L
L
L
CH48
L
L
L
H
L
CH49
L
L
H
L
L
CH50
L
L
H
H
L
CH51
L
H
L
L
L
CH52
L
H
L
H
L
CH53
L
H
H
L
L
CH54
L
H
H
H
L
CH55
H
L
L
L
L
CH56
H
L
L
H
L
CH57
H
L
H
L
L
CH58
H
L
H
H
L
CH59
H
H
L
L
L
CH60
H
H
L
H
L
CH61
H
H
H
L
L
CH62
H
H
H
H
L
CH63
1/ Between CH48-63 and OUTPUT (48-63) and CURRENT (48-63)
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
8
0.8V
Enable Line
4V
OUTPUT
t
ON
EN
t
OFF
EN
Definition of
t
OFF
A
t
OFF
A
0V
OUTPUT
0.8V
4V
t
ON
A
Definition of
t
ON
A
0V
12V MIN
OUTPUT
0.8V
4V
Address Lines
Definition of t
ON
EN
and t
OFF
EN
0V
Address Lines
50%
90%
10%
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
9
Lead Numbers & Functions
ACT8500 96 Leads Ceramic QUAD Flat Pack
Pin #
Function
Pin #
Function
Pin #
Function
1
A
2
33
CH11
65
CH49
2
B
2
34
CH27
66
CH48
3
A
3
35
CH12
67
Output I(48-63)
4
B
3
36
CH28
68
Output V(48-63)
5
EN 0-15
37
CH13
69
Output I(32-47)
6
EN 16-31
38
CH29
70
Output V(32-47)
7
CH0
39
CH14
71
GND
8
CH16
40
CH30
72
GND
9
CH1
41
CH15
73
CH47
10
CH17
42
CH31
74
CH46
11
CH2
43
NC
75
CH45
12
CH18
44
+V
CC
76
CH44
13
CH3
45
NC
77
CH43
14
CH19
46
-V
EE
78
CH42
15
CH4
47
NC
79
CH41
16
CH20
48
V
REF
80
CH40
17
CH5
49
NC
81
CH39
18
CH21
50
CASE GND
82
CH38
19
CH6
51
CH63
83
CH37
20
CH22
52
CH62
84
CH36
21
CH7
53
CH61
85
CH35
22
CH23
54
CH60
86
CH34
23
GND
55
CH59
87
CH33
24
GND
56
CH58
88
CH32
25
Output V(0-15)
57
CH57
89
GND
26
Output V(16-31)
58
CH56
90
GND
27
CH8
59
CH55
91
EN 48-63
28
CH24
60
CH54
92
EN 32-47
29
CH9
61
CH53
93
A
0
30
CH25
62
CH52
94
B
0
31
CH10
63
CH51
95
A
1
32
CH26
64
CH50
96
B
1
NOTE: It is recommended that all "NC or "no connect pin", be grounded. This eliminates or minimizes any ESD or static buildup.
Aeroflex Circuit Technology
SCD8500 REV C 10/10/01 Plainview NY (516) 694-6700
10
C I R C U I T T E C H N O L O G Y
Ordering Information
Model Number
Screening
DESC SMD #
Package
ACT8500 -S
Military Temperature, -55C to +125C,
Screened to the individual test methods of MIL-STD-883 IAW
MIL-PRF-38534 Class K
5962F0050201KXC
Pending
QUAD Flat
Pack
ACT8500
Military Temperature, -55C to +125C,
Screened to the individual test methods of MIL-STD-883 IAW
MIL-PRF-38534 Class H
5962-0050201HXC
Pending
ACT8500 -7
Commercial Flow, +25C testing only
NA
ACT8500 -T
Commercial Flow, -55C to +125C testing only
ACT8500 -I
Commercial Flow, -40C to +85C testing only
ACT8500 -C
Commercial Flow, -0C to +70C testing only
Specifications subject to change without notice
1.320 SQ
Pin 85
Pin 12
Pin 60
Pin 37
Pin 13
Pin 36
Pin 61
Pin 84
Pin 1
Flat Package Outline
MAX
(23 Spaces at .050)
Tol Non-Cum
4 Sides
.0165
.003
1.150 .005
.200
MAX
.400
Note: Outside ceramic tie
bars not shown for clarity.
Contact factory for details
.006
.001
Aeroflex Circuit Technology
35 South Service Road
Plainview New York 11803
Telephone: (516) 694-6700
FAX: (516) 694-6715
Toll Free Inquiries: (800) THE-1553
www.aeroflex.com
E-Mail: sales-act@aeroflex.com
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