© 2000 Fairchild Semiconductor Corporation DS006175 www .fairchildsemi.com
September 1986
Revised February 2000
DM74ALS02 Quad 2-Input NOR Gate
DM74ALS02
Quad 2-Input NOR Gate
General Descript ion
This device contains four independent gates, each of which
performs the logic NOR function.
Features
Switching specifications at 50 pF
Switching specifications guaranteed over full tempera-
ture and VCC range
Advanced oxide-isolated, ion-implanted Schottky TTL
process
Functionally and pin for pin compatible with Schottky
and low power Schottky TTL counterpart
Improved AC per forma nce over Schottky and low power
Schottky counterparts
Ordering Code:
Devices also available in Tape and R eel. Speci fy by appending the s uffix let t er “X” to the o rdering c ode.
Connection Diagram Function Table
H = HIGH Lo gic Level
L = LOW Lo gic Level
Order Number Package Number Package Description
DM74ALS02M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74ALS02SJ M14D 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74ALS02N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Y = A + B
Inputs Output
AB Y
LL H
LH L
HL L
HH L
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DM74ALS02
Absolute Maximum Ratings(Note 1)
Note 1: The “Abs olute Maxim um Ratings ” are those valu es beyond w hich
the saf ety of the device cannot be guarante ed. The device s hould not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are no t gua rant eed at the absolute maximum rati n gs.
The “Re comme nded Operat ing Co ndition s” table will define the cond itions
for actu al device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Switching Characteri stics
over recommended operating free air temperature range.
Supply Voltage 7V
Input Voltage 7V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range 65°C to +150°C
Typical θJA
N Package 86.5°C/W
M Package 116.0°C/W
Symbol Parameter Min Nom Max Units
VCC Supply Voltage 4.5 5 5.5 V
VIH HIGH Level Input Voltage 2 V
VIL LOW Level Input Voltage 0.8 V
IOH HIGH Level Output Current 0.4 mA
IOL LOW Level Output Current 8 mA
TAFree Air Operating Temperature 0 70 °C
Symbol Parameter Conditions Min Typ Max Units
VIK Input Clamp Voltage VCC = 4.5V, II = 18 mA 1.5 V
VOH HIGH Level IOH = 0.4 mA VCC 2V
Output Voltage VCC = 4.5V to 5.5V
VOL LOW Level VCC = 4.5V IOL = 8 mA 0.35 0.5 V
Output Voltage
IIInput Current @ Max. VCC = 5.5V, VIH = 7V 0.1 mA
Input Voltage
IIH HIGH Level Input Current VCC = 5.5V, VIH = 2.7V 20 µA
IIL LOW Level Input Current VCC = 5.5V, VIL = 0.4V 0.1 mA
IOOutput Drive Current VCC = 5.5V VO = 2.25V 30 112 mA
ICC Supply Current VCC = 5.5V Outputs HIGH 0.85 2.2 mA
Outputs LOW 2.16 4 mA
Symbol Parameter Conditions Min Max Units
tPLH Propagation Delay Time VCC = 4.5V to 5.5V 312ns
LOW-to-HIGH Level Output RL = 500
tPHL Propagation Delay Time CL = 50 pF 3 10 ns
HIGH-to-LOW Level Output
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DM74ALS02
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
Package Number M14A
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DM74ALS02
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
14-Lead Sma ll Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M14D
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DM74ALS02 Quad 2-Input NOR Gate
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Packag e Num be r N14A
Fairchild does not assume any responsibility for use of any circu itry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
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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 suppor t de vices o r syst ems are devices or syste ms
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
instruct ions fo r use pr ovi de d in the labe l ing, can be re a-
sonably expected to result in a significant injury to the
user.
2. A criti cal com ponen t in any compo nent o f a l ife supp ort
device or system whose failure to perform can be rea-
sonabl y e xpec ted to c ause th e fa i lure of the li fe s upp or t
device or system, or to affect its safety or effectiveness.
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