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U74AHC20G-S14-R [UTC]

DUAL 4-INPUT NAND GATES;
U74AHC20G-S14-R
型号： U74AHC20G-S14-R
厂家： Unisonic Technologies    Unisonic Technologies
描述：

DUAL 4-INPUT NAND GATES

输入元件
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UNISONIC TECHNOLOGIES CO., LTD  
U74AHC20  
CMOS IC  
DUAL 4-INPUT NAND GATES  
DESCRIPTION  
The U74AHC20 contains two independent 4-input NAND gates.  
They perform the Boolean function Y=A B CD or  
Y=A B C D in positive logic.  
FEATURES  
* Operation voltage range:  
* Low power dissipation:  
* ±8mA output drive at 5V  
2~5.5V  
CC=2μA (Max.)  
I
ORDERING INFORMATION  
Ordering Number  
U74AHC20G-S14-R  
U74AHC20G-P14-R  
Package  
SOP-14  
Packing  
Tape Reel  
Tape Reel  
TSSOP-14  
MARKING  
www.unisonic.com.tw  
1 of 4  
Copyright © 2015 Unisonic Technologies Co., Ltd  
QW-R126-011.A  
U74AHC20  
CMOS IC  
PIN CONFIGURATION  
1
2
3
4
5
6
7
1A  
1B  
VCC  
2D  
2C  
14  
13  
12  
NC  
1C  
11 NC  
2B  
2A  
1D  
10  
9
1Y  
8
GND  
2Y  
FUNCTION TABLE (each gate)  
INPUT(A)  
INPUT(B)  
INPUT(C)  
INPUT(D)  
OUTPUT(Y)  
H
L
H
X
L
H
X
X
L
H
X
X
X
L
L
H
H
H
H
X
X
X
X
X
X
LOGIC DIAGRAM (positive logic)  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 4  
QW-R126-011.A  
www.unisonic.com.tw  
U74AHC20  
CMOS IC  
ABSOLUTE MAXIMUM RATING (TA = 25°С, unless otherwise specified)  
PARAMETER  
SYMBOL  
VCC  
RATINGS  
-0.5~7  
-20  
UNIT  
V
Supply Voltage  
Input Clamp Current(VI<0)  
Output Clamp Current(VO<0 or VO>VCC  
Output Current  
IIK  
mA  
mA  
mA  
mA  
°C  
)
IOK  
±20  
IOUT  
ICC  
±25  
VCC or GND Current  
±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.  
RECOMMENDED OPERATING CONDITIONS  
PARAMETER  
SYMBOL  
VCC  
CONDITIONS  
MIN  
2
TYP MAX UNIT  
Supply Voltage  
5.5  
Vcc  
VCC  
100  
20  
V
V
Input Voltage  
VIN  
0
Output Voltage  
VOUT  
0
V
VCC=3V±0.3V  
VCC=5V±0.5V  
ns  
ns  
°C  
Input Transition Rise or Fall Rate △t/△V  
tR, tF  
TA  
Operating Temperature  
-40  
85  
STATIC CHARACTERISTICS (TA = 25°С, unless otherwise specified)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN  
1.5  
TYP  
MAX UNIT  
VCC= 2 V  
VCC= 3V  
V
V
V
High-Level Input Voltage  
Low-Level Input Voltage  
VIH  
2.1  
VCC= 5.5 V  
3.85  
VCC= 2 V  
0.5  
0.9  
V
V
VIL  
VCC= 3V  
VCC= 5.5 V  
1.65  
V
VCC= 2V, IOH = 50µA  
VCC= 3V, IOH = 50µA  
VCC= 4.5V, IOH =50µA  
VCC= 3V, IOH = 4mA  
VCC= 4.5V, IOH = 8mA  
VCC= 2V, IOH = 50µA  
VCC= 3V, IOH = 50µA  
VCC= 4.5V, IOH =50µA  
VCC= 3V, IOH = 4mA  
VCC= 4.5V, IOH = 8mA  
VCC= 6V ,VIN = VCC or GND  
VCC= 5.5V, VIN = VCC or GND, IOUT = 0  
VCC=5V  
1.9  
2.9  
V
V
High-Level Output Voltage  
Low-Level Output Voltage  
VOH  
4.4  
V
2.58  
3.94  
V
V
0.1  
0.1  
0.1  
0.36  
0.36  
±0.1  
2
V
V
VOL  
V
V
V
Input Leakage Current  
Quiescent Supply Current  
Input Capacitance  
II(LEAK)  
ICC  
uA  
µA  
pF  
CIN  
4
DYNAMIC CHARACTERISTICS ( Input: tR=tF=3ns, 25°C, unless otherwise specified )  
PARAMETER  
SYMBOL  
TEST CONDITION  
CL=15pF  
MIN  
TYP  
6.2  
8.7  
4.5  
5.8  
MAX UNIT  
8.8  
12.3  
5.9  
ns  
ns  
ns  
ns  
V
CC=3.3±0.3V  
CL=50pF  
CL=15pF  
CL=50pF  
Propagation delay from input  
(A ,B,C,D) to output(Y)  
tPLH  
tPHL  
VCC=5±0.5V  
7.9  
OPERATING CHARACTERISTICS (TA=25°С, unless otherwise specified)  
PARAMETER  
Power Dissipation Capacitance  
SYMBOL  
Cpd  
TEST CONDITION  
No load, f=1MHz  
MIN  
TYP  
18  
MAX UNIT  
pF  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 4  
QW-R126-011.A  
www.unisonic.com.tw  
U74AHC20  
CMOS IC  
TEST CIRCUIT AND WAVEFORMS  
Output  
CL (Note)  
Note : CL includes probe and jig capacitance.  
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.  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 4  
QW-R126-011.A  
www.unisonic.com.tw  

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