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DM74S151N

Part # DM74S151N
Description Encoders, Decoders, Multiplexers & Demultiplexers 1of 8 Da
Category IC
Availability In Stock
Qty 1
Qty Price
1 + $0.13737
Manufacturer Available Qty
National Semiconductor Corp
Date Code: 8219
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

© 2000 Fairchild Semiconductor Corporation DS006468 www.fairchildsemi.com
August 1986
Revised April 2000
DM74S151 1-of-8 Data Selector/Multiplexer with Complementary Outputs
DM74S151
1-of-8 Data Selector/Multiplexer
with Complementary Outputs
General Description
These data selectors/multiplexers contain full on-chip
decoding to select the desired data source. The
DM74S151 selects one-of-eight data sources. The
DM74S151 has a strobe input which must be at a low logic
level to enable these devices. A high level at the strobe
forces the W output HIGH and the Y output LOW.
The DM74S151 features complementary W and Y outputs.
Features
Select one-of-eight data lines
Performs parallel-to-serial conversion
Permits multiplexing from N lines to one line
Also for use as Boolean function generator
Typical average propagation delay time, data input to W
output 4.5 ns
Typical power dissipation 225 mW
Ordering Code:
Connection Diagram Function Table
H = HIGH Level
L = LOW Level
X = Don’t Care
D0, D1D7 = The level of the respective D input
Order Number Package Number Package Description
DM74S151N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Inputs Outputs
Select Strobe
YW
CBA S
XXXH LH
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
www.fairchildsemi.com 2
DM74S151
Logic Diagram
3 www.fairchildsemi.com
DM74S151
Absolute Maximum Ratings(Note 1)
Note 1: The Absolute Maximum Ratings are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The Recommended Operating Conditions table will define the conditions
for actual device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature (unless otherwise noted)
Note 2: All typicals are at V
CC
= 5V, T
A
= 25°C.
Note 3: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 4: I
CC
is measured with the strobe and data select inputs at 4.5V, all other inputs and outputs OPEN.
Supply Voltage 7V
Input Voltage 5.5V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range 65°C to +150°C
Symbol Parameter Min Nom Max Units
V
CC
Supply Voltage 4.75 5 5.25 V
V
IH
HIGH Level Input Voltage 2 V
V
IL
LOW Level Input Voltage 0.8 V
I
OH
HIGH Level Output Current 1mA
I
OL
LOW Level Output Current 20 mA
T
A
Free Air Operating Temperature 0 70 °C
Symbol Parameter Conditions Min
Typ
Max Units
(Note 2)
V
I
Input Clamp Voltage V
CC
= Min, I
I
= 18 mA 1.2 V
V
OH
HIGH Level V
CC
= Min, I
OH
= Max,
2.7 3.4 V
Output Voltage V
IL
= Max, V
IH
= Min
V
OL
LOW Level V
CC
= Min, I
OL
= Max
0.5 V
Output Voltage V
IH
= Min, V
IL
= Max
I
I
Input Current @ Max Input Voltage V
CC
= Max, V
I
= 5.5V 1 mA
I
IH
HIGH Level Input Current V
CC
= Max, V
I
= 2.7V 50 µA
I
IL
LOW Level Input Current V
CC
= Max, V
I
= 0.5V 2mA
I
OS
Short Circuit Output Current V
CC
= Max (Note 3) 40 100 mA
I
CC
Supply Current V
CC
= Max (Note 4) 45 70 mA
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