Datasheet

UNISONIC TECHNOLOGIES CO., LTD
U74AHC1G02
CMOS IC
2-INPUT NOR GATE

DESCRIPTION
The U74AHC1G02 is a single 2-input NOR gate which provides
the Function Y=A+B .

FEATURES
* Operation Voltage Range: 2.0~5.5V
* Low Power Dissipation
* High noise immunity
* Balanced propagation delays
* Specified from -40 to +125°C

ORDERING INFORMATION
Ordering Number
U74AHC1G02G-AE5-R
U74AHC1G02G-AF5-R
U74AHC1G02G-AL5-R

Package
SOT-23-5
SOT-25
SOT-353
Packing
Tape Reel
Tape Reel
Tape Reel
MARKING
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U74AHC1G02

CMOS IC
PIN CONFIGURATION
VCC
5
1
A

2
B
3
GND
FUNCTION TABLE
INPUT
A
L
L
H
H

Y
4
B
L
H
L
H
OUTPUT
Y
H
L
L
L
LOGIC DIAGRAM (positive logic)
Logic symbol
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IEC logic symbol
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CMOS IC
ABSOLUTE MAXIMUM RATINGS (unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
Supply Voltage
VCC
-0.5~7
Input Voltage
VIN
-0.5~7
Output Voltage
VOUT
-0.5~VCC+0.5
Input Clamp Current
IIK
±20
Output Clamp Current
IOK
±20
Continuous Output Current
IOUT
±25
VCC or GND Current
ICC
±50
Storage Temperature
TSTG
-65 ~ +150
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.

UNIT
V
V
V
mA
mA
mA
mA
°C
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
Input Voltage
Output Voltage
SYMBOL
VCC
VIN
VOUT
MAX
5.5
5.5
VCC
100
20
125
UNIT
V
V
V
TEST CONDITIONS
MIN
TYP
MAX
VCC=2.0V
1.5
High-Level Input Voltage
VIH
VCC=3.0V
2.1
3.85
VCC=5.5V
VCC=2.0V
0.5
Low-Level Input Voltage
VIL
VCC=3.0V
0.9
1.65
VCC=5.5V
VCC=2.0V, IOH=-50μA
1.9
2.0
VCC=3.0V, IOH=-50μA
2.9
3.0
High-Level Output Voltage
VOH
VCC=4.5V, IOH=-50μA
4.4
4.5
VCC=3.0V, IOH=-4mA
2.58
3.94
VCC=4.5V, IOH=-8mA
VCC=2.0V, IOL=50μA
0.1
VCC=3.0V, IOL=50μA
0.1
Low-Level Output Voltage
VOL
VCC=4.5V, IOL=50μA
0.1
VCC=3.0V, IOH=4mA
0.36
0.36
VCC=4.5V, IOH=8mA
Input Leakage Current
II(LEAK)
VCC=0V~5.5V, VIN=VCC or GND
±0.1
Quiescent Supply Current
IQ
VCC= 5.5V, VIN=VCC or GND, IOUT=0
1
Input Capacitance
CIN
VCC= 5V, VIN=VCC or GND
4
10
Note: All unused inputs of the device must be held at VCC or GND to ensure proper device operation.
UNIT
Input Transition Rise or Fall Times
Operating Temperature

tR, tF
CONDITIONS
MIN
2.0
0
0
TYP
5.0
VCC=3.3V±0.3V
VCC=5V±0.5V
TA
-40
25
ns/V
°C
ELECTRICAL CHARACTERISTICS (TA =25°C)
PARAMETER
SYMBOL
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V
V
V
V
μA
μA
pF
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CMOS IC
SWITCHING CHARACTERISTICS (Input signal: TA =25°C, PRR≤1MHZ, ZO=50Ω, tR≤3ns, tF≤3ns.)
PARAMETER
SYMBOL
tPLH
Propagation Delay Times
tPHL

TEST CONDITIONS
VCC = 3.3V±0.3V, CL=15pF
VCC =5V±0.5V, CL=15pF
VCC =3.3V±0.3V, CL=50pF
VCC =5V±0.5V, CL=50pF
VCC =3.3V±0.3V, CL=15pF
VCC =5V±0.5V, CL=15pF
VCC =3.3V±0.3V, CL=50pF
VCC =5V±0.5V, CL=50pF
MIN
TYP
5.6
3.6
8.1
5.1
5.6
3.6
8.1
5.1
MAX
7.9
5.5
11.4
7.5
7.9
5.5
11.4
7.5
UNIT
TYP
15
MAX
UNIT
pF
ns
ns
OPERATING CHARACTERISTIC
PARAMETER
Power Dissipation Capacitance
SYMBOL
TEST CONDITIONS
CPD
No load, f=1MHz, VCC=5V, TA =25°C
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CMOS IC
TEST CIRCUIT AND WAVEFORMS
Note: CL includes probe and jig capacitance.
Fig.1 Load circuitry for switching times.
Fig.2 Propagation delay from input(A and B) to output(Y)
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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