UNISONIC TECHNOLOGIES CO., LTD
U74HC14
CMOS IC
HIGH-SPEED CMOS LOGIC
HEX INVERTING SCHMITT
TRIGGER
„
DESCRIPTION
The UTC U74HC14 each contain six inverting Schmitt
triggers in one package. Each of them perform the Boolean
function Y=A.
„
FEATURES
* Widely range of input rise and fall time
* high noise immunity
* Fan-out parameters(over temperature range)
up to 10 LSTTL Loads
* Low power consumption
* Wide range operation 2V ~ 6V
„
Lead-free:
U74HC14L
Halogen-free:U74HC14G
ORDERING INFORMATION
Normal
U74HC14-D14-T
U74HC14-S14-R
U74HC14-P14-R
Ordering Number
Lead Free Plating
U74HC14L-D14-T
U74HC14L-S14-R
U74HC14L-P14-R
Halogen Free
U74HC14G-D14-T
U74HC14G-S14-R
U74HC14G-P14-R
www.unisonic.com.tw
Copyright © 2009 Unisonic Technologies Co., Ltd
Package
Packing
DIP-14
SOP-14
TSSOP-14
Tube
Tape Reel
Tape Reel
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QW-R502-071.C
U74HC14
„
CMOS IC
PIN CONFIGURATION
„
FUNCTIONAL DIAGRAM
„
TRUTH TABLE
INPUT(A)
L
H
H=High level
L=Low Level
1A 1
14 VCC
1Y 2
13 6A
2A 3
12 6Y
2Y 4
11 5A
3A 5
10 5Y
3Y 6
9
4A
GND 7
8
4Y
OUTPUT(Y)
H
L
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QW-R502-071.C
U74HC14
„
CMOS IC
LOGIC DIAGRAM
VOUT
VH
VCC
GND
VIL
VIH
VIH
VIN
VIL
VCC
VH
VIN
GND
VCC
VOUT
GND
Hysteresis Definition, Characteristic, And Test Setup
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QW-R502-071.C
U74HC14
„
CMOS IC
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
Supply Voltage
VCC
-0.5V ~ 7V
Input Clamp Current
For VIN < 0 or VIN > VCC
IIK
±20
Output Clamp Current
For VOUT < 0 or VOUT > VCC
IOK
±20
Continuous Output Current
For VOUT = 0 to VCC
IOUT
±25
VCC or Ground 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.
„
THERMAL DATA
PARAMETER
SYMBOL
DIP-14
SOP-14
TSSOP-14
Thermal Resistance Junction Ambient
„
SYMBOL
VCC
VIN, VOUT
TA
ELECTRICAL CHARACTERISTICS (TA = 25℃)
PARAMETER
SYMBOL
VIH
Input Switch Points
VIL
VTH
High Level Output Voltage CMOS
Loads
VOH
High Level Output Voltage TTL
Loads
Low Level Output Voltage CMOS
Loads
Low Level Output Voltage TTL
Loads
Input Leakage Current
Quiescent Device Current
„
θJA
RATINGS
80
76
113
UNIT
℃/W
℃/W
℃/W
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage Range HC Types
Input or Output Voltage
Operating Temperature
„
UNIT
V
mA
mA
mA
mA
℃
VOL
IIN
IQ
CONDITIONS
TEST CONDITIONS
VCC=2V
VCC=4.5V
VCC=6V
VCC=2V
VCC=4.5V
VCC=6V
VCC=2V
VCC=4.5V
VCC=6V
VIN=VIH or VIL, VCC=2V, IOH=-0.02mA
VIN=VIH or VIL, VCC=4.5V, IOH=-0.02mA
VIN=VIH or VIL, VCC=6V, IOH=-0.02mA
VIN=VIH or VIL, VCC=4.5V, IOH=-4 mA
VIN=VIH or VIL, VCC=6V, IOH=-5.2 mA
VIN=VIH or VIL, VCC=2V, IOL=0.02 mA
VIN=VIH or VIL, VCC=4.5V, IOL=0.02 mA
VIN=VIH or VIL, VCC=6V, IOL=0.02 mA
VIN=VIH or VIL, VCC=4.5V, IOL=4 mA
VIN=VIH or VIL, VCC=6V, IOL=5.2 mA
VIN=VCC and GND, VCC=6V
VIN=VCC or GND, VCC=6V, IOUT=0
MIN
2
0
-40
TYP
5
MAX
6
VCC
85
UNIT
V
V
℃
MIN
0.7
1.55
2.1
0.3
0.9
1.2
0.2
0.4
0.5
1.9
4.4
5.9
3.98
5.48
TYP
1.2
2.5
3.3
0.6
1.6
2
0.6
0.9
1.3
MAX UNIT
1.5
3.15
4.2
1
V
2.45
V
3.2
V
1.2
V
2.1
V
2.5
V
V
V
V
V
V
0.1
V
0.1
V
0.1
V
0.26
V
0.26
V
±0.1
µA
2
µA
MIN
TYP
55
12
11
38
8
6
3
20
MAX UNIT
125
ns
25
ns
21
ns
75
ns
15
ns
13
ns
10
pF
pF
SWITCHING SPECIFICATIONS (TA = 25℃, Input tR, tF = 6ns)
PARAMETER
SYMBOL
Propagation Delay,
A to Y
tPLH, tPHL
Output Transition Times
tTLH, tTHL
Input Capacitance
Power Dissipation Capacitance
CIN
CPD
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
No load
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4 of 5
QW-R502-071.C
U74HC14
„
CMOS IC
TEST CIRCUIT AND WAVEFORMS
tR=6ns
tF=6ns
90%
50%
10%
INPUT
tTLH
tTHL
90%
50%
10%
INVERTING
OUTPUT
tPHL
tPLH
Transition Times And Propagation
Delay Times, Combination Logic
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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