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PDF DM74LS154 Data sheet ( Hoja de datos )
| Número de pieza | DM74LS154 | |
| Descripción | 4-Line to 16-Line Decoder/Demultiplexer | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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August 1986
Revised March 2000
DM74LS154
4-Line to 16-Line Decoder/Demultiplexer
General Description
Each of these 4-line-to-16-line decoders utilizes TTL cir-
cuitry to decode four binary-coded inputs into one of six-
teen mutually exclusive outputs when both the strobe
inputs, G1 and G2, are LOW. The demultiplexing function
is performed by using the 4 input lines to address the out-
put line, passing data from one of the strobe inputs with the
other strobe input LOW. When either strobe input is HIGH,
all outputs are HIGH. These demultiplexers are ideally
suited for implementing high-performance memory decod-
ers. All inputs are buffered and input clamping diodes are
provided to minimize transmission-line effects and thereby
simplify system design.
Features
s Decodes 4 binary-coded inputs into one of 16 mutually
exclusive outputs
s Performs the demultiplexing function by distributing data
from one input line to any one of 16 outputs
s Input clamping diodes simplify system design
s High fan-out, low-impedance, totem-pole outputs
s Typical propagation delay
3 levels of logic 23 ns
Strobe
19 ns
s Typical power dissipation 45 mW
Ordering Code:
Order Number Package Number
Package Description
DM74LS154WM
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74LS154N
N24A
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.600 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Logic Diagram
© 2000 Fairchild Semiconductor Corporation DS006394
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.600 Wide
Package Number N24A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet DM74LS154.PDF ] | |
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