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U74HC21L-P14-T [UTC]

DUAL 4-INPUT AND GATES;
U74HC21L-P14-T
型号： U74HC21L-P14-T
厂家： Unisonic Technologies    Unisonic Technologies
描述：

DUAL 4-INPUT AND GATES

输入元件
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UNISONIC TECHNOLOGIES CO., LTD  
U74HC21  
CMOS IC  
DUAL 4-INPUT AND GATES  
„
DESCRIPTION  
The U74HC21 contains two independent 4-input AND gates.They  
perform the Boolean function Y=A •B •C•D or Y=A + B +C + D in  
positive logic.  
„
FEATURES  
* Operation Voltage Range: 2~6V  
* Low Quiescent Current: ICC=2µA(Max)  
* High Speed:  
* Low Input Current:  
tPD=11ns(Typ)  
100nA Max  
„
ORDERING INFORMATION  
Ordering Number  
Lead Free  
Package  
Packing  
Halogen Free  
U74HC21L-P14-T  
U74HC21G-P14-T  
U74HC21G-P14-R  
TSSOP-14  
TSSOP-14  
Tube  
U74HC21L-P14-R  
Tape Reel  
www.unisonic.com.tw  
Copyright © 2011 Unisonic Technologies Co., Ltd  
1 of 5  
QW-R502-632.B  
U74HC21  
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  
INPUT(A)  
INPUT(B)  
INPUT(C)  
INPUT(D)  
OUTPUT(Y)  
H
L
H
X
L
H
X
X
L
H
X
X
X
L
H
L
L
L
L
X
X
X
X
X
X
„
LOGIC DIAGRAM  
UNISONIC TECHNOLOGIES CO., LTD  
2 of 5  
QW-R502-632.B  
www.unisonic.com.tw  
U74HC21  
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  
Output Clamp Current  
Output Current  
IIK  
mA  
mA  
mA  
mA  
℃
IOK  
±20  
IOUT  
ICC  
±25  
VCC or GND Current  
Storage Temperature  
±50  
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  
6
V
V
V
Input Voltage  
VIN  
0
Vcc  
VCC  
1000  
500  
400  
85  
Output Voltage  
VOUT  
0
VCC=2V  
Input Transition Rise or Fall Rate  
Operating Temperature  
tR, tF  
TA  
ns  
VCC=4.5V  
VCC=6V  
℃
-40  
„
STATIC CHARACTERISTICS (TA = 25°С)  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
MIN  
1.5  
TYP  
MAX UNIT  
VCC= 2 V  
VCC= 4.5V  
VCC= 6 V  
VCC= 2 V  
High-Level Input Voltage  
Low-Level Input Voltage  
VIH  
V
3.15  
4.2  
0.5  
VIL  
V
V
VCC= 4.5 V  
1.35  
1.8  
VCC= 6 V  
VCC= 2V, IOH = 20µA  
VCC= 4.5V, IOH = 20µA  
VCC= 6V, IOH = 20µA  
VCC= 4.5V, IOH = 4mA  
VCC= 6V, IOH = 5.2mA  
VCC= 2V, IOL = 20µA  
VCC= 4.5V, IOL = 20µA  
VCC= 6V, IOL = 20µA  
VCC= 4.5V, IOL = 4mA  
VCC= 6V, IOL = 5.2mA  
VCC= 6V ,VIN = VCC or GND  
VCC= 6V, VIN = VCC or GND, IOUT = 0  
VCC=2V~6V  
1.9  
4.4  
1.998  
4.999  
5.999  
4.3  
High-Level Output Voltage  
Low-Level Output Voltage  
VOH  
5.9  
3.98  
5.48  
5.8  
0.002  
0.001  
0.001  
0.17  
0.1  
0.1  
VOL  
V
0.1  
0.26  
0.26  
0.15  
Input Leakage Current  
Quiescent Supply Current  
Input Capacitance  
II(LEAK)  
IQ  
±0.1 ±100  
2
nA  
µA  
pF  
CIN  
3
10  
UNISONIC TECHNOLOGIES CO., LTD  
3 of 5  
QW-R502-632.B  
www.unisonic.com.tw  
U74HC21  
CMOS IC  
„
DYNAMIC CHARACTERISTICS (TA=25°С, Input: tR=tF=6ns, unless otherwise specified )  
PARAMETER  
SYMBOL  
TEST CONDITIONS  
VCC=2V, CL=50pF  
VCC=4.5V, CL=50pF  
VCC=6V, CL=50pF  
VCC=2V, CL=50pF  
VCC=4.5V, CL=50pF  
VCC=6V, CL=50pF  
MIN  
TYP MAX UNIT  
44  
14  
11  
29  
10  
8
110  
22  
19  
75  
15  
13  
Propagation delay from  
Input(A, B, C or D) to Output(Y)  
tPLH, tPHL  
ns  
ns  
Output Transition Time  
tT  
„
OPERATING CHARACTERISTICS (TA=25°С, unless otherwise specified)  
PARAMETER  
Power Dissipation Capacitance  
SYMBOL  
CPD  
TEST CONDITION  
No Load  
RATINGS  
25  
UNIT  
pF  
UNISONIC TECHNOLOGIES CO., LTD  
4 of 5  
QW-R502-632.B  
www.unisonic.com.tw  
U74HC21  
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  
5 of 5  
QW-R502-632.B  
www.unisonic.com.tw  

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