INTEGRAL IN74ALS08N, IN74ALS08D Datasheet
TECHNICAL DATA
QUADRUPLE 2-INPUT
POSITIVE-AND GATE
This device contains four independent 2-input positiveAND gates. They perform the Boolean functions Y =
A*B or Y = A + B in positive logic.
The IN74ALS08 is characterized for operation from
0oC to 70oC.
ORDERING INFORMATION
IN74LS08N Plastic
IN74ALS08D SOIC
T
A
= 0° to 70° C for all
packages
Logic Symbol Logic Diagram (Positive Logic)
Function Table
INPUTS OUTPUT
AB Y
HH H
LX L
XL L
IN74ALS08
IN74ALS08
2
ABSOLUTE MAXIMUM RATINGS OVER OPERATING FREE-AIR
TEMPERATURE RANGE
Su
pply
voltage, Vcc 7V
Input voltage, V
I
7V
Operating free-air temperature range, T
A
0oC to 70oC
Storage temperature range-65
o
C to 150oC
RECOMMENDED OPERATING CONDITIONS
MIN NOM MAX UNIT
V
CC
Supply voltage 4.5 5 5.5 V
V
IH
High-level input voltage2V
V
IL
Low-level input voltage 0.8 V
I
OH
High-level output current -0.4 mA
I
OL
Low-level output current 8 mA
T
A
Operating free-air temperature 0 70
o
C
ELECTRICAL CHARACTERISTICS OVER RECOMMENDED OPERATING FREEAIR TEMPERATURE RANGE
Parameter Test Conditions MIN TYP** MAX UNIT
V
IK
VCC= 4.5V II =-18mA -1.5 V
V
OH
VCC= 4.5V to 5.5V IOH =-0.4mA VCC-2 V
V
OL
VCC= 4.5V IOL =4mA 0.25 0.4 V
IOL =8mA 0.35 0.5 V
I
I
VCC= 5.5V VI =7V 0.1 mA
I
IH
VCC= 5.5V VI =2.7V 20
µ
A
I
IL
VCC= 5.5V VI =0.4V -0.1
mΑ
I
O
*
VCC= 5.5V VO=2.25V -30 -112
mΑ
I
CCH
VCC= 5.5V VI =4.5V 1.3 2.4
mΑ
I
CCL
VCC= 5.5V VI =0 2.2 4
mΑ
*- The output conditions have been chosen to produce a current that closely approximates one half of the true
short-circuit output current, I
OS
**- All typical values are at VCC=5V, TA=25oC
SWITCHING CHARACTERISTICS
Parameter From (input) To (output)
V
CC
=4.5 V to 5.6V
C
L
= 50 pF
R
L
=500 Ω
T
A
=MIN to MAX*
UNIT
MIN MAX
t
PHL
A or B Y 3 10 ns
t
PLH
4 14 ns
*- For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating
conditions.
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