UNISONIC TECHNOLOGIES CO., LTD U74HCT14

UNISONIC TECHNOLOGIES CO., LTD
U74HCT14
CMOS IC
HIGH-SPEED CMOS LOGIC
HEX INVERTING SCHMITT
TRIGGER

DESCRIPTION
The UTC U74HCT14 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 4.5V ~ 5.5V

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74HCT14L-D14-T
U74HCT14G-D14-T
U74HCT14G-S14-R
U74HCT14G-P14-R

Package
Packing
DIP-14
SOP-14
TSSOP-14
Tube
Tape Reel
Tape Reel
MARKING
DIP-14
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Copyright © 2015 Unisonic Technologies Co., Ltd
SOP-14 / TSSOP-14
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U74HCT14

CMOS IC
PIN CONFIGURATION

FUNCTIONAL DIAGRAM

TRUTH TABLE
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
INPUT(A)
OUTPUT(Y)
L
H
H
L
Note: H=High level, L=Low Level
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U74HCT14

CMOS IC
LOGIC DIAGRAM
VOUT
VCC
VTH
VTH=VIH-VIL
GND
VIL
VIH
VIH
VIN
VIL
VCC
VTH
VIN
GND
VCC
VOUT
GND
Hysteresis Definition, Characteristic, And Test Setup
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U74HCT14

CMOS IC
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
DC Supply Voltage
VCC
-0.5V~7V
V
Input Clamp Current
For VIN < 0 or VIN > VCC
IIK
±20
mA
Output Clamp Current
For VOUT < 0 or VOUT > VCC
IOK
±20
mA
Continuous Output Current
For VOUT = 0 to VCC
IOUT
±25
mA
VCC or Ground Current
ICC
±50
mA
Operating Supply Voltage Range
VCC
4.5~5.5
V
Operating DC Input or Output Voltage
VIN, VOUT
0V~VCC
V
Operating Temperature
TOPR
-40 ~ +85
℃
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

UNIT
℃/W
℃/W
℃/W
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage Range HC Types
Input or Output Voltage
Operating Temperature

θJA
RATINGS
80
86
113
SYMBOL
VCC
VIN, VOUT
TA
CONDITIONS
MIN
4.5
0
-40
TYP
MAX
5.5
VCC
85
UNIT
V
V
℃
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
High-Level Input Voltage
VIH
Low-Level Input Voltage
VIL
Hysteresis
VTH
High Level Output Voltage CMOS Loads
High Level Output Voltage TTL Loads
Low Level Output Voltage CMOS Loads
Low Level Output Voltage TTL Loads
Input Leakage Current
Quiescent Device Current
VOH
VOL
IIN
IQ
△ IQ
Additional Quiescent Device
(Note)
SWITCHING SPECIFICATIONS (Input tR, tF = 6ns)
Propagation Delay, A to Y
tPLH, tPHL
Output Transition Times
tTLH, tTHL
TEST CONDITIONS
VCC=4.5V
VCC=5.5V
VCC=4.5V
VCC=5.5V
VCC=4.5V
VCC=5.5V
VCC=4.5V, VIN=VIH or VIL, IOH=-20μA
VCC=4.5V, VIN=VIH or VIL, IOH=-4mA
VCC=4.5V, VIN=VIH or VIL, IOL=20μA
VCC=4.5V, VIN=VIH or VIL, IOL=4mA
VCC=5.5V, VIN=VCC and GND
VIN=VCC or GND, IOUT=0mA
One input at 0.5V or 2.4V,Other
inputs at GND or VCC
VCC=4.5V, CL=50pF
VCC=5.5V, CL=50pF
VCC=4.5V, CL=50pF
VCC=5.5V, CL=50pF
MIN TYP MAX UNIT
1.2
1.5
1.9
V
1.4
1.7
2.1
V
0.5
0.9
1.2
V
0.6
1
1.4
V
0.4
0.6
1.4
V
0.4 0.65 1.5
V
4.4 4.49
V
3.98
V
0.1
V
0.26
V
±0.1 µA
2
µA
2.4
mA
32
30
15
14
10
ns
ns
ns
ns
pF
pF
Input Capacitance
CIN
3
Power Dissipation Capacitance
Cpd
No load
10
Note: This is the increase in supply current for each input that is at one of the specified TTL voltage levels,
rather than 0 V or VCC.
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U74HCT14

CMOS IC
TEST WAVEFORM
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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