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DM74ALS540A Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer DM74ALS540A
Beschreibung Octal Inverting Buffer and Line Driver with 3-STATE Outputs
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 5 Seiten
DM74ALS540A Datasheet, Funktion
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





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