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UT54ACS04/UT54ACTS04
Radiation-Hardened
Hex Inverters
FEATURES
radiation-hardened CMOS
- Latchup immune
High speed
Low power consumption
Single 5 volt supply
Available QML Q or V processes
Flexible package
- 14-pin DIP
- 14-lead flatpack
DESCRIPTION
The UT54ACS04 and the UT54ACTS04 are hex inverters. The
circuits perform the Boolean function Y = A.
The devices are characterized over full military temperature
range of -55 C to +125 C.
FUNCTION TABLE
INPUT OUTPUT
A Y
H L
L H
PINOUTS
14-Pin DIP
Top View
1 14
A1
2 13
Y1
3 12
A2
4 11
Y2
5 10
A3
6 9
Y3
SS
7 8
V
V
A6
Y6
A5
Y5
A4
Y4
DD
14-Lead Flatpack
Top View
A1
Y1
A2
Y2
A3
Y3
V
SS
1 14
2 13
3 12
4 11
5 10
6 9
7 8
V
DD
A6
Y6
A5
Y5
A4
Y4
LOGIC DIAGRAM
LOGIC SYMBOL
(1)
A1
(3)
A2
(5)
A3
(9)
A4
(11)
A5
(13)
A6
Note:
1. Logic symbol in accordance with ANSI/IEEE standard 91-1984 and
IEC Publication 617-12.
1
(2)
(4)
(6)
(8)
(10)
(12)
Y1
Y2
Y3
Y4
Y5
Y6
A1
A2
A3
A4
A5
A6
Y1
Y2
Y3
Y4
Y5
Y6
9 RadHard MSI Logic
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UT54ACS04/UT54ACTS04
RADIATION HARDNESS SPECIFICATIONS
1
PARAMETER LIMIT UNITS
Total Dose 1.0E6 rads(Si)
SEU Threshold
SEL Threshold
2
80
120
Neutron Fluence 1.0E14
Notes:
1. Logic will not latchup during radiation exposure within the limits defined in the table.
2. Device storage elements are immune to SEU affects.
ABSOLUTE MAXIMUM RATINGS
SYMBOL PARAMETER LIMIT UNITS
T
V
V
T
DD
I/O
STG
T
J
LS
Maximum junction temperature +175 C
Lead temperature (soldering 5 seconds) +300 C
Supply voltage -0.3 to 7.0 V
Voltage any pin -.3 to VDD +.3 V
Storage Temperature range -65 to +150 C
MeV-cm2/mg
MeV-cm2/mg
2
n/cm
JC
I
I
P
D
Note:
1. Stresses outside the listed absolute maximum ratings may cause permanent damage to the device. This is a stress rating only, functional operation of the device
at these or any other conditions beyond limits indicated in the operational sections is not recommended. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
Thermal resistance junction to case 20 C/W
DC input current 10 mA
Maximum power dissipation 1 W
RECOMMENDED OPERATING CONDITIONS
SYMBOL PARAMETER LIMIT UNITS
V
DD
V
IN
T
C
Supply voltage 4.5 to 5.5 V
Input voltage any pin 0 to V
DD
Temperature range -55 to + 125 C
V
RadHard MSI Logic 10