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What is MN54AC251-X?

This electronic component, produced by the manufacturer "National Semiconductor", performs the same function as "8-Input Multiplexer".


MN54AC251-X Datasheet PDF - National Semiconductor

Part Number MN54AC251-X
Description 8-Input Multiplexer
Manufacturers National Semiconductor 
Logo National Semiconductor Logo 


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MN54AC251-X REV 1B0
MICROCIRCUIT DATA SHEET
Original Creation Date: 06/28/96
Last Update Date: 03/31/97
Last Major Revision Date: 06/28/96
8-Input Multiplexer With TRI-STATE Outputs
General Description
The AC251 is a high-speed 8-input digital multiplexer. It provides, in one package, the
ability to select one bit of data from up to eight sources. It can be used as a universal
function generator to generate any logic function of four variables. Both assertion and
negation outputs are provided.
Industry Part Number
54AC251
Prime Die
Z251
NS Part Numbers
54AC251DMQB
54AC251FMQB
54AC251LMQB
Processing
MIL-STD-883, Method 5004
Quality Conformance Inspection
MIL-STD-883, Method 5005
Subgrp Description
1 Static tests at
2 Static tests at
3 Static tests at
4 Dynamic tests at
5 Dynamic tests at
6 Dynamic tests at
7 Functional tests at
8A Functional tests at
8B Functional tests at
9 Switching tests at
10 Switching tests at
11 Switching tests at
Temp ( oC)
+25
+125
-55
+25
+125
-55
+25
+125
-55
+25
+125
-55
1

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MN54AC251-X equivalent
MN54AC251-X REV 1B0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS(Continued)
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC: VCC 3.0V to 5.5V, Temperature Range: -55C to 125C. NOTE: -55C TEMPERATURE, SUBGROUP 3 IS GUARANTEED
BUT NOT TESTED.
SYMBOL
ICCL
PARAMETER
Supply Current
Outputs LOW
CONDITIONS
VCC=5.5V, VINL=0.0V
ICCZ
Supply Current
VCC=5.5V, VINH=5.5V, VINL=0.0V
Outputs Tri-State
IOZH
Maximum TRI-STATE VCC=3.0V, VM=3.0V, VINH=3.0V,
Leakage Current VINL=0.0V, VIH=2.1V
High
VCC=4.5V, VM=4.5V, VINH=4.5V,
VINL=0.0V, VIH=3.15V
VCC=5.5V, VM=5.5V, VINH=5.5V,
VINL=0.0V, VIH=3.85V
IOZL
Maximum TRI-STATE VCC=3.0V, VM=0.0V, VINH=3.0V,
Leakage Current VINL=0.0V, VIH=2.1V
Low
VCC=4.5V, VM=0.0V, VINH=4.5V,
VINL=0.0V, VIH=3.15V
VCC=5.5V, VM=0.0V, VINH=5.5V,
VINL=0.0V, VIH=3.85V
NOTES
PIN-
NAME
1, 2 VCC
1, 2 VCC
1, 2 VCC
1, 2 VCC
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
1, 2 OUTPUT
MIN
MAX
UNIT
SUB-
GROUPS
4.0 uA 1
80 uA 2, 3
4.0 uA 1
80 uA 2, 3
0.25 uA 1
5.0 uA 2, 3
0.25 uA 1
5.0 uA 2, 3
0.25 uA 1
5.0 uA 2, 3
-0.25 uA 1
-5.0 uA 2, 3
-0.25 uA 1
-5.0 uA 2, 3
-0.25 uA 1
-5.0 uA 2, 3
AC PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC: CL=50pf, RL=500 OHMS, TRISE=3ns, TFALL=3ns, Temp Range: -55C to125C. NOTE: -55C TEMPERATURE, SUBGROUP
11 IS GUARANTEED BUT NOT TESTED.
tpLH(1)
Propagation Delay VCC=4.5V
3, In to Z 1.5
4, 6 or Z
10.0 ns 9
3, In to Z 1.5
4, 6 or Z
12.0 ns 10, 11
tpHL(1)
Propagation Delay VCC=4.5V
3, In to Z 1.5
4, 6 or Z
10.0 ns 9
3, In to Z 1.5
4, 6 or Z
12.0 ns 10, 11
tpLH(2)
Propagation Delay VCC=4.5V
3, Sn to Z 1.5
4, 6 or Z
12.5 ns 9
3, Sn to Z 1.5
4, 6 or Z
15.5 ns 10, 11
5


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Featured Datasheets

Part NumberDescriptionMFRS
MN54AC251-XThe function is 8-Input Multiplexer. National SemiconductorNational Semiconductor

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