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National Semiconductor Electronic Components Datasheet

74151 Datasheet

1 of 8 Line Data Selector/Multiplexer

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August 1995
DM74ALS151
1 of 8 Line Data Selector Multiplexer
General Description
This Data Selector Multiplexer contains full on-chip decod-
ing to select one-of-eight data sources as a result of a
unique three-bit binary code at the Select inputs Two com-
plementary outputs provide both inverting and non-inverting
buffer operation A Strobe input is provided which when at
the high level disables all data inputs and forces the Y out-
put to the low state and the W output to the high state The
Select input buffers incorporate internal overlap features to
ensure that select input changes do not cause invalid output
transients
Features
Y Advanced oxide-isolated ion-implanted Schottky TTL
process
Y Switching performance is guaranteed over full tempera-
ture and VCC supply range
Y Pin and functional compatible with LS family counter-
part
Y Improved output transient handling capability
Connection Diagram
Dual-In-Line Package
Function Table
Inputs
Select
Strobe
C
B
A
S
X
X
X
H
L
L
L
L
L
L
H
L
L
H
L
L
L
H
H
L
H
L
L
L
H
L
H
L
H
H
L
L
H
H
H
L
H e High Level L e Low Level X e Don’t Care
D0 thru D7 e the level of the respective D input
Outputs
Y
W
L
H
D0
D0
D1
D1
D2
D2
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
TL F 6203 – 1
Order Number DM74ALS151M or DM74ALS151N
See NS Package Number M16A or N16A
C1995 National Semiconductor Corporation TL F 6203
RRD-B30M105 Printed in U S A


National Semiconductor Electronic Components Datasheet

74151 Datasheet

1 of 8 Line Data Selector/Multiplexer

No Preview Available !

Absolute Maximum Ratings
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
DM74ALS
0 C to a70 C
Storage Temperature Range
b65 C to a150 C
Typical iJA
N Package
M Package
78 0 C W
107 0 C W
Recommended Operating Conditions
Symbol
Parameter
VCC
Supply Voltage
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IOH
High Level Output Current
IOL
Low Level Output Current
TA
Free Air Operating Temperature
Note The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed The device should not be operated at these limits The
parametric values defined in the ‘‘Electrical Characteristics’’
table are not guaranteed at the absolute maximum ratings
The ‘‘Recommended Operating Conditions’’ table will define
the conditions for actual device operation
DM74ALS151
Min
Nom
Max
45
5
55
2
08
b2 6
24
0
70
Units
V
V
V
mA
mA
C
Electrical Characteristics
over recommended operating free-air temperature range All typical values are measured at VCC e 5V TA e 25 C
Symbol
Parameter
Conditions
Min
Typ Max
VIK
VOH
VOL
II
Input Clamp Voltage
High Level Output
Voltage
Low Level Output
Voltage
Input Current at
Max Input Voltage
VCC e 4 5V IIN e b18 mA
VCC e 4 5V IOH e Max
IOH e b400 mA VCC e 4 5V to 5 5V
VCC e 4 5V
74ALS
IOL e 24 mA
VCC e 5 5V VIN e 7V
24
VCC b 2
32
0 35
b1 5
05
01
IIH
High Level Input Current VCC e 5 5V VIN e 2 7V
IIL
Low Level Input Current VCC e 5 5V VIN e 0 4V
IO
Output Drive Current
VCC e 5 5V VOUT e 2 25V
ICC
Supply Current
VCC e 5 5V
All Inputs e 4 5V
b30
20
b0 1
b112
75
12
Units
V
V
V
V
mA
mA
mA
mA
mA
2


Part Number 74151
Description 1 of 8 Line Data Selector/Multiplexer
Maker National Semiconductor
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74151 Datasheet PDF






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