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SN54/74LS125A
QUAD 3-STATE BUFFERS SN54/74LS126A
VCC E D O E D O
14 13 12 11 10 9 8
QUAD 3-STATE BUFFERS
LOW POWER SCHOTTKY
1 2 3 4 5 6 7
E D O E D O GND
LS125A J SUFFIX
CERAMIC
CASE 632-08
VCC E D O E D O 14
1
14 13 12 11 10 9 8
N SUFFIX
PLASTIC
14 CASE 646-06
1
1 2 3 4 5 6 7
E D O E D O GND
D SUFFIX
LS126A SOIC
14
1 CASE 751A-02
TRUTH TABLES
LS125A LS126A
ORDERING INFORMATION
INPUTS INPUTS
SN54LSXXXJ Ceramic
E D OUTPUT E D OUTPUT
SN74LSXXXN Plastic
L L L H L L SN74LSXXXD SOIC
L H H H H H
H X (Z) L X (Z)
L = LOW Voltage Level
H = HIGH Voltage Level
X = Don't Care
(Z) = High Impedance (off)
GUARANTEED OPERATING RANGES
Symbol Parameter Min Typ Max Unit
VCC Supply Voltage 54 4.5 5.0 5.5 V
74 4.75 5.0 5.25
TA Operating Ambient Temperature Range 54