U74HCT14

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R502-090,B



ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

DC Supply Voltage

-0.5V~7V

V

Input Clamp Current

±20

mA

Output Clamp Current

±20

mA

Continuous Output Current

±25

mA

±50

mA

Operating Supply Voltage Range

4.5~5.5

V

Operating DC Input or Output Voltage

V

Operating Temperature

-40 ~ +85

℃

Storage Temperature

-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

RATINGS

UNIT

DIP-14

80

/W

℃

SOP-14

86

℃

/W

TSSOP-14

113

℃

/W



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNIT

Supply Voltage Range HC Types

4.5

5.5

V

Input or Output Voltage

0

V

Operating Temperature

-40

85

℃



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

1.2

1.5

1.9

V

High-Level Input Voltage

1.4

1.7

2.1

V

0.5

0.9

1.2

V

Low-Level Input Voltage

0.6

1

1.4

V

0.4

0.6

1.4

V

Hysteresis

0.4

0.65

1.5

V

High Level Output Voltage CMOS Loads

4.4

4.49

V

High Level Output Voltage TTL Loads

3.98

V

Low Level Output Voltage CMOS Loads

0.1

V

Low Level Output Voltage TTL Loads

0.26

V

Input Leakage Current

±0.1

µA

Quiescent Device Current

2

µA

Additional Quiescent Device

△

(Note)

One input at 0.5V or 2.4V,Other

2.4

mA

SWITCHING SPECIFICATIONS

32

ns

Propagation Delay, A to Y

30

ns

15

ns

Output Transition Times

14

ns

Input Capacitance

3

10

pF

Power Dissipation Capacitance

No load

10

pF

Note: This is the increase in supply current for each input that is at one of the specified TTL voltage levels,