1
Standard Products
UT54ACS151/UT54ACTS151
1 of 8 Data Selectors/Multiplexers
Datasheet
November 2010
www.aeroflex.com/logic
FEATURES
8-line to 1-line multiplexers can perform as
Boolean function generators, parallel-to-serial
converters, and data source selectors
1.2μ CMOS
- Latchup immune
High speed
Low power consumption
Single 5 volt supply
Available QML Q or V processes
Flexible package
- 16-pin DIP
- 16-lead flatpack
UT54ACS151 - SMD 5962-96548
UT54ACTS151 - SMD 5962-96549
DESCRIPTION
The UT54ACS151 and the UT54ACTS151 are data multiplex-
ers that provide full binary decoding to select one of eight data
sources. The strobe input, G, must be at a low logic level to
enable the inputs. A high level at the strobe terminal forces the
Y output high and the Y output low.
The devices are characterized over full military temperature
range of -55°C to +125°C.
FUNCTION TABLE
H= high level, L = low level, X = irrelevant
D0, D1... D7 = the level of the D respective input
PINOUTS
16-Pin DIP
Top View
16-Lead Flatpa ck
Top View
LOGIC SYMBOL
INPUTS OUTPUT
SELECT STROBE
C B A G Y Y
X X X H L H
L L L L D0 D0
L L H L D1 D1
L H L L D2 D2
L H H L D3 D3
H L L L D4 D4
H L H L D5 D5
H H L L D6 D6
H H H L D7 D7
D3
D2
D1
D0
Y
Y
G
Vss
VDD
D4
D5
D6
D7
A
B
C
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VDD
D4
D5
D6
D7
A
B
C
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
D3
D2
D1
D0
Y
Y
G
Vss
(7)
(11)
(10)
(9)
(4)
(3)
(2)
(1)
(15)
(14)
(13)
(12)
G
A
B
C
D0
D1
D2
D3
D4
D5
D6
D7
E
N
0
1
2
0
1
2
3
4
5
6
(6) Y
MUX
Note:
1. Logic symbol in accordance with ANSI/IEEE Std 91-1984 and IEC
Publication 617-12.
(5) Y
G
0
3
---
2
LOGIC DIAGRAM
(5)
Y
D0
D1
D2
D3
D4
D5
D6
D7
(7)
(4)
(3)
(2)
(1)
(15)
(14)
(13)
(12)
STROBE G
(6)
Y
A
B
C
DATA
SELECT
DATA
(9)
(10)
(11)
OUTPUTS
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OPERATIONAL ENVIRONMENT1
Notes:
1. Logic will not latchup during radiation ex posure within the limits defined in the table.
2. Device storage elements are immune to SEU affects.
ABSOLUTE MAXIMUM RATINGS
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 beyo nd limits indicated in the opera tional sections is not recommended. Exposure to absolute maximum rating conditions for extended
periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
PARAMETER LIMIT UNITS
Total Dose 1.0E6 rads(Si)
SEU Thresh old 280 MeV-cm2/mg
SEL Threshold 120 MeV-cm2/mg
Neutron Fluence 1.0E14 n/cm2
SYMBOL PARAMETER LIMIT UNITS
VDD Supply voltage -0.3 to 7.0 V
VI/O Voltage any pin -.3 to VDD +.3 V
TSTG Storage Temperature range -65 to +150 °C
TJMaximum junction temperature +175 °C
TLS Lead temperature (soldering 5 seconds) +300 °C
ΘJC Thermal resistance junction to case 20 °C/W
IIDC input current ±10 mA
PDMaximum power dissipation 1 W
SYMBOL PARAMETER LIMIT UNITS
VDD Supply voltage 4.5 to 5.5 V
VIN Input voltage any pin 0 to VDD V
TCTemperature range -55 to + 125 °C
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DC ELECTRICAL CHARACTERISTICS 7
(VDD = 5.0V ±10%; VSS = 0V 6, -55°C < TC < +125°C); Unless otherwise noted, Tc is per the temperature range ordered.
SYMBOL PARAMETER CONDITION MIN MAX UNIT
VIL Low-level input voltage 1
ACTS
ACS 0.8
.3VDD
V
VIH High-level input voltage 1
ACTS
ACS .5VDD
.7VDD
V
IIN Input leakage current
ACTS/ACS VIN = VDD or VSS -1 1μA
VOL Low-level output voltage 3
ACTS
ACS IOL = 8.0mA
IOL = 100μA0.40
0.25 V
VOH High-level output voltage 3
ACTS
ACS IOH = -8.0mA
IOH = -100μA.7VDD
VDD - 0.25 V
IOS Short-circuit output current 2 ,4
ACTS/ACS VO = VDD and VSS -200 200 mA
IOL Output current10
(Sink)
VIN = VDD or VSS
VOL = 0.4V
8mA
IOH Output current10
(Source)
VIN = VDD or VSS
VOH = VDD - 0.4V
-8 mA
Ptotal Power dissipatio n 2, 8, 9 CL = 50pF 2.3 mW/
MHz
IDDQ Quiescent Supply Current VDD = 5.5V 10 μA
ΔIDDQ Quiescent Supply Current Delta
ACTS For input under test
VIN = VDD - 2.1V
For all other inputs
VIN = VDD or VSS
VDD = 5.5V
1.6 mA
CIN Input capacitance 5ƒ = 1MHz @ 0V 15 pF
COUT Output capacitance 5 ƒ = 1MHz @ 0V 15 pF
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Notes:
1. Functional tests are conducted in accordance with MIL-STD-883 with the following input test conditions: VIH = VIH(min) + 20%, - 0%; VIL = VIL(max) + 0%, -
50%, as specified herein, for TTL, CMOS, or Schmitt compatible inputs. Devices may be tested using any input voltage within the above specified range, but are
guaranteed to VIH(min) and VIL(max).
2. Supplied as a design limit but not guaranteed or tested.
3. Per MIL-PRF-385 35, for current density ≤ 5.0E5 amps/cm2, the maximum product of load capacitance (per output buffer) times frequency should not exceed 3,765
pF/MHz.
4. Not more than one output may be shorted at a time for maximum duration of one second.
5. Capacitance measured for initial qualification and when design changes may affect the value. Capacitance is measured between the designated terminal and VSS at
frequency of 1MHz and a signal ampl itude of 50mV rms maximum.
6. Maximum allowable relative shift equals 50mV.
7. All specifications valid for radiation dose ≤ 1E6 rads(Si).
8. Power does not include power contribution of any TTL output sink current.
9. Power dissipation specified per switching output.
10. This value is guaranteed based on characterization data, but not tested.
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AC ELECTRICAL CHARACTERISTICS 2
(VDD = 5.0V ±10%; VSS = 0V 1, -5 5 °C < TC < +125°C); Unless otherw ise noted, Tc is per the temperature range ordered.
Notes:
1. Maximum allowable relative shift equals 50mV.
2. All specifications valid for radiation dose ≤ 1E6 rads(Si).
SYMBOL PARAMETER MINIMUM MAXIMUM UNIT
tPHL Input to Y 1 22 ns
tPLH Input to Y 1 23 ns
tPHL Input to Y 1 25 ns
tPLH Input to Y 1 19 ns
tPHL Select to Y 1 21 ns
tPLH Select to Y 1 22 ns
tPHL Select to Y 1 24 ns
tPLH Select to Y 1 21 ns
tPHL G to Y 1 14 ns
tPLH G to Y 111 ns
tPHL G to Y 1 14 ns
tPLH G to Y 1 10 ns
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PACKAGING Side-Brazed Packages
8
FLATPACK PACKAGES
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UT54ACS151/U T54ACTS151: SMD
5962 ***** ** * * **
Lead Finish: (Notes 1 & 2)
A = Solder
C = Gold
X = Optional
Package Type:
X = 16-lead ceramic bottom-brazed dual-in-line Flatpack
C = 16-lead ceramic side-brazed dip
Class Designator:
Q = QML Class Q
V = QML Class V
Device Type:
01
Drawing Number:
96548 = UT54ACS151
96549 = UT54AC TS151
Total Dose: (Notes 3 & 4)
R = 1E5 rads(Si)
F = 3E5 rads(Si)
G = 5E5 rads(Si)
H = 1E6 rads(Si)
Notes:
1. Lead finish (A,C, or X) must be specif i ed.
2. If an “X” is specified when ordering, part marking will match the lead finish and will be either “A” (solder) or “C” (gold).
3. Total dose radiation must be specified when o rdering. QML Q and QML V not available without radiation hardening. For prototype inquiries, contact factory.
4. Device type 02 is only offer ed with a TID toler ance guarantee of 3E5 rads(Si) or 1E6 rads(Si) and is tested in accordance with MIL-STD-883 Test Method 1019
Condition A and section 3.11.2. Device type 03 is only offered with a TID tolerance guarantee of 1E5 rads(Si), 3E5 rads(Si), and 5E5 rads(Si), and is tested in
accordance with MIL-STD-8 83 Test Method 1019 Condition A.
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