Datasheet

UNISONIC TECHNOLOGIES CO., LTD
U74HCT08
CMOS IC
QUAD 2-INPUT AND GATES
„
DESCRIPTION
SOP-14
The U74HCT08 contains four independent 2-input AND gates,
perform the Boolean function Y = A • B or Y = A + B in positive
logic.
„
FEATURES
* Operation Voltage Range: 4.5~5.5V
* Low Power Dissipation: ICC=20μA(Max)
* High Speed: tPD=13ns(TYP)
* Low Input Current: 1μA Max
* Input are TTL-Voltage Compatible
„
TSSOP-14
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74HCT08L-S14-R
U74HCT08G-S14-R
U74HCT08L-P14-R
U74HCT08G-P14-R
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Copyright © 2010 Unisonic Technologies Co., Ltd
Package
Packing
SOP-14
TSSOP-14
Tape Reel
Tape Reel
1 of 4
QW-R502-458.Ba
U74HCT08
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„
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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)
INPUT(B)
OUTPUT(Y)
H
H
L
L
H
L
H
L
H
L
L
L
LOGIC DIAGRAM (Positive Logic)
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U74HCT08
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CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5~7
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
°C
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.
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THERMAL DATA
PARAMETER
Junction to Ambient
„
SYMBOL
VCC
VIN
VOUT
tR ,tF
TOPR
SYMBOL
VIH
VIL
High-Level Output Voltage
VOH
Low-Level Output Voltage
VOL
Input Leakage Current
Quiescent Supply Current
Additional Quiescent Supply
Current
Input Capacitance
II(LEAK)
IQ
Δ IQ
CIN
ONDITIONS
MIN
4.5
0
0
TYP
5.0
MAX
5.5
VCC
VCC
500
85
UNIT
V
V
V
ns
°C
TYP
MAX
UNIT
V
V
-40
TEST CONDITIONS
VCC=4.5V~5.5V
VCC=4.5V~5.5V
VCC=4.5V, IOH=-20μA
VCC=4.5V, IOH=-4mA
VCC=4.5V, IOL=20μA
VCC=4.5V, IOL=4mA
VCC=5.5V, VIN=VCC or GND
VCC=5.5V, VIN=VCC or GND, IOUT=0
VCC=5.5V, One input at 0.5V or
2.4V, other inputs at 0 or VCC
VCC=4.5V~5.5V
MIN
2
0.8
4.4
3.98
4.499
4.3
0.001
0.17
±0.1
V
0.1
0.26
±100
2
nA
μA
1.4
2.4
mA
3
10
pF
V
SWITCHING CHARACTERISTICS (TA=25°С, Input: tR=tF=6ns, unless otherwise specified )
PARAMETER
Propagation delay from input
(nA) and (nB) to output(nY)
SYMBOL
Output Transition Time
tTHL /tTLH
„
UNIT
°C/W
ELECTRICAL CHARACTERISTICS (TA = 25°С)
PARAMETER
High-Level Input Voltage
Low-Level Input Voltage
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RATINGS
127
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
Input Voltage
Output Voltage
Input Transition Rise or Fall Times
Ambient Operating Temperature
„
SYMBOL
θJA
tPHL /tPLH
TEST CONDITIONS
VCC=4.5V
CL = 50pF
VCC=5.5V
VCC=4.5V
CL = 50pF
VCC=5.5V
MIN
TYP
15
13
9
8
MAX
24
22
15
14
UNIT
TYP
20
MAX
UNIT
pF
ns
ns
OPERATING CHARACTERISTICS (TA=25°С, unless otherwise specified)
PARAMETER
Power Dissipation Capacitance
SYMBOL
CPD
TEST CONDITION
No Load
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
3 of 4
QW-R502-458.Ba
U74HCT08
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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
www.unisonic.com.tw
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