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PDF DM74ALS540A Data sheet ( Hoja de datos )
| Número de pieza | DM74ALS540A | |
| Descripción | Octal Inverting Buffer and Line Driver with 3-STATE Outputs | |
| Fabricantes | Fairchild Semiconductor | |
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October 1986
Revised February 2000
DM74ALS540A
Octal Inverting Buffer and Line Driver
with 3-STATE Outputs
General Description
This octal buffer and line driver is designed to have the per-
formance of the DM74ALS240A series and, at the same
time, offer a pinout with inputs and outputs on opposite
sides of the package. This arrangement greatly enhances
printed circuit board layout. The 3-STATE control gate is a
2-input NOR such that if either G1 or G2 is HIGH, all eight
outputs are in the high impedance state.
Features
s Advanced oxide-isolated, ion-implanted Schottky TTL
process
s Switching performance is guaranteed over full tempera-
ture and VCC supply range
s Data flow-thru pinout (All inputs on opposite side from
outputs)
s P-N-P inputs reduce DC loading
Ordering Code:
Order Number Package Number Package Description
DM74ALS540AWM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74ALS540ASJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74ALS540AN
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Inputs
G1 G2
A
HXX
XHX
LLL
L LH
H = HIGH Logic Level
L = LOW Logic Level
X = Don't Care (Either HIGH or LOW Logic Level)
Hi-Z = High Impedance (OFF) State
Output
Y
Hi-Z
Hi-Z
H
L
© 2000 Fairchild Semiconductor Corporation DS009170
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Package Number N20A
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 DM74ALS540A.PDF ] | |
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