Datasheet

UNISONIC TECHNOLOGIES CO., LTD
U74AHC08
CMOS IC
QUADRUPLE 2-INPUT
POSITIVE-AND GATES

DESCRIPTION
The U74AHC08 is QUADRUPLE 2-INPUT POSITIVE-AND
GATES. Which provides the Function Y=A×B.

FEATURES
* Operation voltage range: 2~5.5V
* Max tPD of 7.9 ns at 5 V
* Low power consumption, ICC=2μA(Max)
* ±8mA output drive at 5 V

ORDERING INFORMATION
Ordering Number
U74AHC08G-S14-R
U74AHC08G-P14-R

Package
SOP-14
TSSOP-14
Packing
Tape Reel
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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U74AHC08
CMOS IC
PIN CONFIGURATION

1A 1
14 VCC
1B 2
13 4B
1Y 3
12 4A
2A 4
11 4Y
2B 5
10 3B
2Y 6
9
3A
GND 7
8
3Y
FUNCTION TABLE (Each Gate)

INPUT (A)
L
L
H
H
INPUT (B)
L
H
L
H
OUTPUT (Y)
L
L
L
H
LOGIC DIAGRAM (Positive Logic)

1A
1B
2A
2B
3A
3B
4A
4B
1
3
2
4
6
5
9
8
10
12
13
11
1A
1Y
1B
2A
2Y
2B
3A
3Y
3B
4A
4Y
4B
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
1
2
&
3
&
6
&
8
&
11
4
5
9
10
12
13
1Y
2Y
3Y
4Y
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U74AHC08

CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5~7
V
Input Voltage
VIN
-0.5~7
V
Output Voltage
VOUT
-0.5~VCC+0.5
V
Input Clamp Current
IIK
-20
mA
Output Clamp Current
IOK
±20
mA
Output Current
IOUT
±25
mA
VCC or GND Current
ICC
±50
mA
Storage Temperature
TSTG
-65 ~ +150
°С
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.

RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
Input Voltage
Output Voltage
SYMBOL
VCC
VIN
VOUT
Input Transition Rise or Fall Rate
tR, tF
Ambient Operating Temperature
TOPR

CONDITIONS
MIN
2
0
0
TYP
VCC=3.3±0.3V
VCC=5.0±0.5V
-40
MAX
5.5
5.5
VCC
100
20
85
UNIT
V
V
V
MAX
UNIT
ns/V
°С
STATIC CHARACTERISTICS (TA=25°С)
PARAMETER
SYMBOL
High-Level Input Voltage
VIH
Low-Level Input Voltage
VIL
High-Level Output Voltage
VOH
Low-Level Output Voltage
VOL
Input Leakage Current
Quiescent Supply Current
Input Capacitance
II(LEAK)
IQ
CIN
TEST CONDITIONS
VCC=2.0V
VCC=3.0V
VCC=5.5V
VCC=2.0V
VCC=3.0V
VCC=5.5V
VCC=2.0V
IOH=-50μA
VCC=3.0V
VCC=4.5V
VCC=3.0V, IOH=-4mA
VCC=4.5V, IOH=-8mA
VCC=2.0V
VCC=3.0V
IOL=50μA
VCC=4.5V
VCC=3.0V, IOL=4mA
VCC=4.5V, IOL=8mA
VCC=0~5.5V, VIN=5.5 or GND
VCC=5.5V, VIN=VCC or GND, IOUT=0
VCC=5.0V, VIN=VCC or GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
1.5
2.1
3.85
TYP
V
0.5
0.9
1.65
1.9
2.9
4.4
2.58
3.94
2.0
3.0
4.5
4
V
V
0.1
0.1
0.1
0.36
0.36
±0.1
2
10
V
μA
μA
pF
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U74AHC08

DYNAMIC CHARACTERISTICS (Input: tR, tF≤3ns; PRR≤1MHz)
PARAMETER
Propagation Delay from Input
(A and B) to Output(Y)
Propagation Delay from Input
(A and B) to Output(Y)

CMOS IC
SYMBOL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
VCC(V)
MIN
VCC=3.3±0.3V, CL=15pF
VCC=3.3±0.3V, CL=50pF
VCC=5.0±0.5V, CL=15pF
VCC=5.0±0.5V, CL=50pF
TYP
6.2
6.2
8.7
8.7
4.3
4.3
5.8
5.8
MAX
8.8
8.8
12.3
12.3
5.9
5.9
7.9
7.9
UNIT
TYP
18
MAX
UNIT
pF
ns
ns
OPERATING CHARACTERISTICS (VCC=5V; TA=25°С)
PARAMETER
Power Dissipation Capacitance
SYMBOL
CPD
TEST CONDITIONS
No load, f=1MHz
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
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U74AHC08

CMOS IC
TEST CIRCUIT AND WAVEFORMS
CL includes probe and jig capacitance.
VCC
1/2 * VCC
Input
1/2 * VCC
tPLH
tPHL
0V
VOH
1/2 * VCC
Output
1/2 * VCC
VOL
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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www.unisonic.com.tw
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